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char = ,;code = 44
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char = s;code = 115
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char = e;code = 101
char = d;code = 100
char = u;code = 117
char = c;code = 99
char = e;code = 101
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char = d;code = 100
char = u;code = 117
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char = l;code = 108
char = o;code = 111
char = s;code = 115
char = i;code = 105
char = o;code = 111
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char = ;code = 32
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char = r;code = 114
char = d;code = 100
char = ;code = 32
char = o;code = 111
char = f;code = 102
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char = r;code = 114
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char = i;code = 105
char = d;code = 100
char = u;code = 117
char = e;code = 101
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char = c;code = 99
char = r;code = 114
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char = a;code = 97
char = t;code = 116
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = i;code = 105
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char = a;code = 97
char = n;code = 110
char = ;code = 32
char = a;code = 97
char = l;code = 108
char = u;code = 117
char = m;code = 109
char = i;code = 105
char = n;code = 110
char = u;code = 117
char = m;code = 109
char = ;code = 32
char = b;code = 98
char = u;code = 117
char = f;code = 102
char = f;code = 102
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = o;code = 111
char = p;code = 112
char = e;code = 101
char = r;code = 114
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = s;code = 115
char = i;code = 105
char = d;code = 100
char = u;code = 117
char = e;code = 101
char = ;code = 32
char = i;code = 105
char = s;code = 115
char = ;code = 32
char = g;code = 103
char = e;code = 101
char = n;code = 110
char = e;code = 101
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char = t;code = 116
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char = d;code = 100
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char = ;code = 32
char = T;code = 84
char = h;code = 104
char = i;code = 105
char = s;code = 115
char = ;code = 32
char = t;code = 116
char = e;code = 101
char = c;code = 99
char = h;code = 104
char = n;code = 110
char = i;code = 105
char = q;code = 113
char = u;code = 117
char = e;code = 101
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = d;code = 100
char = u;code = 117
char = c;code = 99
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = d;code = 100
char = u;code = 117
char = s;code = 115
char = t;code = 116
char = ;code = 32
char = e;code = 101
char = x;code = 120
char = p;code = 112
char = l;code = 108
char = o;code = 111
char = s;code = 115
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = h;code = 104
char = a;code = 97
char = z;code = 122
char = a;code = 97
char = r;code = 114
char = d;code = 100
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = r;code = 114
char = o;code = 111
char = u;code = 117
char = g;code = 103
char = h;code = 104
char = o;code = 111
char = u;code = 117
char = t;code = 116
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = b;code = 98
char = u;code = 117
char = f;code = 102
char = f;code = 102
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = c;code = 99
char = e;code = 101
char = s;code = 115
char = s;code = 115
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = w;code = 119
char = i;code = 105
char = t;code = 116
char = h;code = 104
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = d;code = 100
char = u;code = 117
char = s;code = 115
char = t;code = 116
char = ;code = 32
char = c;code = 99
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char = l;code = 108
char = e;code = 101
char = c;code = 99
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char = t;code = 116
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char = m;code = 109
char = a;code = 97
char = k;code = 107
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = c;code = 99
char = e;code = 101
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char = s;code = 115
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char = n;code = 110
char = h;code = 104
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = l;code = 108
char = y;code = 121
char = ;code = 32
char = s;code = 115
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char = f;code = 102
char = e;code = 101
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char = .;code = 46
char = ;code = 32
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char = u;code = 117
char = s;code = 115
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char = ;code = 32
char = e;code = 101
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char = o;code = 111
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char = s;code = 115
char = t;code = 116
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char = n;code = 110
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char = ;code = 32
char = r;code = 114
char = e;code = 101
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char = u;code = 117
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char = r;code = 114
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char = d;code = 100
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char = t;code = 116
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char = r;code = 114
char = o;code = 111
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char = d;code = 100
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char = n;code = 110
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char = ;code = 32
char = t;code = 116
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char = l;code = 108
char = s;code = 115
char = ;code = 32
char = w;code = 119
char = i;code = 105
char = t;code = 116
char = h;code = 104
char = ;code = 32
char = v;code = 118
char = a;code = 97
char = r;code = 114
char = y;code = 121
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char = n;code = 110
char = g;code = 103
char = ;code = 32
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char = m;code = 109
char = o;code = 111
char = u;code = 117
char = n;code = 110
char = t;code = 116
char = s;code = 115
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char = o;code = 111
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char = ;code = 32
char = f;code = 102
char = l;code = 108
char = a;code = 97
char = m;code = 109
char = e;code = 101
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = t;code = 116
char = a;code = 97
char = r;code = 114
char = d;code = 100
char = a;code = 97
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = a;code = 97
char = d;code = 100
char = d;code = 100
char = i;code = 105
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = e;code = 101
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result sql = Metal powders or dusts can represent significant dust explosion hazards in industry, due to their relatively low ignition energy and high explosivity. The hazard is well known in industries that produce or use aluminum powders, but is sometimes not recognized by facilities that produce aluminum dust as a byproduct of bulk aluminum processing. As demonstrated by the 2003 dust explosion at aluminum wheel manufacturer Hayes Lemmerz, facilities that process bulk metals are at risk due to dust generated during machining and finishing operations [U.S. Chemical Safety and Hazard Investigation Board, Investigation Report, Aluminum Dust Explosion Hayes Lemmerz International, Inc., Huntington, Indiana, Report No. 2004-01-I-IN, September 2005]. Previous studies have shown that aluminum dust explosions are more difficult to suppress with flame retardants or inerting agents than dust explosions fueled by other materials such as coal [A.G. Dastidar, P.R. Amyotte, J. Going, K. Chatrathi, Flammability limits of dust-minimum inerting concentrations, Proc Saf: Progr., 18-1 (1999) 56-63]. In this paper, an inerting method is discussed to reduce the dust explosion hazard of residue created in an aluminum buffing operation as the residue is generated. This technique reduces the dust explosion hazard throughout the buffing process and within the dust collector systems making the process inherently safer. Dust explosion testing results are presented for process dusts produced during trials with varying amounts of flame retardant additives.
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char = d;code = 100
char = u;code = 117
char = c;code = 99
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = a;code = 97
char = l;code = 108
char = u;code = 117
char = m;code = 109
char = i;code = 105
char = n;code = 110
char = u;code = 117
char = m;code = 109
char = ;code = 32
char = d;code = 100
char = u;code = 117
char = s;code = 115
char = t;code = 116
char = ;code = 32
char = e;code = 101
char = x;code = 120
char = p;code = 112
char = l;code = 108
char = o;code = 111
char = s;code = 115
char = i;code = 105
char = o;code = 111
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char = a;code = 97
char = z;code = 122
char = a;code = 97
char = r;code = 114
char = d;code = 100
char = s;code = 115
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char = c;code = 99
char = a;code = 97
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char = e;code = 101
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char = s;code = 115
char = t;code = 116
char = u;code = 117
char = d;code = 100
char = y;code = 121
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = d;code = 100
char = u;code = 117
char = s;code = 115
char = t;code = 116
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = e;code = 101
char = r;code = 114
char = t;code = 116
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = ;code = 32
char = a;code = 97
char = l;code = 108
char = u;code = 117
char = m;code = 109
char = i;code = 105
char = n;code = 110
char = u;code = 117
char = m;code = 109
char = ;code = 32
char = b;code = 98
char = u;code = 117
char = f;code = 102
char = f;code = 102
char = i;code = 105
char = n;code = 110
char = g;code = 103
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char = o;code = 111
char = p;code = 112
char = e;code = 101
char = r;code = 114
char = a;code = 97
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char = i;code = 105
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char = .;code = 46
result sql = Reducing aluminum dust explosion hazards: case study of dust inerting in an aluminum buffing operation.
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char = d;code = 100
char = e;code = 101
char = r;code = 114
char = s;code = 115
char = ;code = 32
char = o;code = 111
char = r;code = 114
char = ;code = 32
char = d;code = 100
char = u;code = 117
char = s;code = 115
char = t;code = 116
char = s;code = 115
char = ;code = 32
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char = n;code = 110
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char = r;code = 114
char = e;code = 101
char = s;code = 115
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char = ;code = 32
char = s;code = 115
char = i;code = 105
char = g;code = 103
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char = f;code = 102
char = i;code = 105
char = c;code = 99
char = a;code = 97
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = d;code = 100
char = u;code = 117
char = s;code = 115
char = t;code = 116
char = ;code = 32
char = e;code = 101
char = x;code = 120
char = p;code = 112
char = l;code = 108
char = o;code = 111
char = s;code = 115
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = h;code = 104
char = a;code = 97
char = z;code = 122
char = a;code = 97
char = r;code = 114
char = d;code = 100
char = s;code = 115
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = d;code = 100
char = u;code = 117
char = s;code = 115
char = t;code = 116
char = r;code = 114
char = y;code = 121
char = ,;code = 44
char = ;code = 32
char = d;code = 100
char = u;code = 117
char = e;code = 101
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = i;code = 105
char = r;code = 114
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = l;code = 108
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = e;code = 101
char = l;code = 108
char = y;code = 121
char = ;code = 32
char = l;code = 108
char = o;code = 111
char = w;code = 119
char = ;code = 32
char = i;code = 105
char = g;code = 103
char = n;code = 110
char = i;code = 105
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = e;code = 101
char = n;code = 110
char = e;code = 101
char = r;code = 114
char = g;code = 103
char = y;code = 121
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = h;code = 104
char = i;code = 105
char = g;code = 103
char = h;code = 104
char = ;code = 32
char = e;code = 101
char = x;code = 120
char = p;code = 112
char = l;code = 108
char = o;code = 111
char = s;code = 115
char = i;code = 105
char = v;code = 118
char = i;code = 105
char = t;code = 116
char = y;code = 121
char = .;code = 46
char = ;code = 32
char = T;code = 84
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = h;code = 104
char = a;code = 97
char = z;code = 122
char = a;code = 97
char = r;code = 114
char = d;code = 100
char = ;code = 32
char = i;code = 105
char = s;code = 115
char = ;code = 32
char = w;code = 119
char = e;code = 101
char = l;code = 108
char = l;code = 108
char = ;code = 32
char = k;code = 107
char = n;code = 110
char = o;code = 111
char = w;code = 119
char = n;code = 110
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = d;code = 100
char = u;code = 117
char = s;code = 115
char = t;code = 116
char = r;code = 114
char = i;code = 105
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = a;code = 97
char = t;code = 116
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = d;code = 100
char = u;code = 117
char = c;code = 99
char = e;code = 101
char = ;code = 32
char = o;code = 111
char = r;code = 114
char = ;code = 32
char = u;code = 117
char = s;code = 115
char = e;code = 101
char = ;code = 32
char = a;code = 97
char = l;code = 108
char = u;code = 117
char = m;code = 109
char = i;code = 105
char = n;code = 110
char = u;code = 117
char = m;code = 109
char = ;code = 32
char = p;code = 112
char = o;code = 111
char = w;code = 119
char = d;code = 100
char = e;code = 101
char = r;code = 114
char = s;code = 115
char = ,;code = 44
char = ;code = 32
char = b;code = 98
char = u;code = 117
char = t;code = 116
char = ;code = 32
char = i;code = 105
char = s;code = 115
char = ;code = 32
char = s;code = 115
char = o;code = 111
char = m;code = 109
char = e;code = 101
char = t;code = 116
char = i;code = 105
char = m;code = 109
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = n;code = 110
char = o;code = 111
char = t;code = 116
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = c;code = 99
char = o;code = 111
char = g;code = 103
char = n;code = 110
char = i;code = 105
char = z;code = 122
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = b;code = 98
char = y;code = 121
char = ;code = 32
char = f;code = 102
char = a;code = 97
char = c;code = 99
char = i;code = 105
char = l;code = 108
char = i;code = 105
char = t;code = 116
char = i;code = 105
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = a;code = 97
char = t;code = 116
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = d;code = 100
char = u;code = 117
char = c;code = 99
char = e;code = 101
char = ;code = 32
char = a;code = 97
char = l;code = 108
char = u;code = 117
char = m;code = 109
char = i;code = 105
char = n;code = 110
char = u;code = 117
char = m;code = 109
char = ;code = 32
char = d;code = 100
char = u;code = 117
char = s;code = 115
char = t;code = 116
char = ;code = 32
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = a;code = 97
char = ;code = 32
char = b;code = 98
char = y;code = 121
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = d;code = 100
char = u;code = 117
char = c;code = 99
char = t;code = 116
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = b;code = 98
char = u;code = 117
char = l;code = 108
char = k;code = 107
char = ;code = 32
char = a;code = 97
char = l;code = 108
char = u;code = 117
char = m;code = 109
char = i;code = 105
char = n;code = 110
char = u;code = 117
char = m;code = 109
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = c;code = 99
char = e;code = 101
char = s;code = 115
char = s;code = 115
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = .;code = 46
char = ;code = 32
char = A;code = 65
char = s;code = 115
char = ;code = 32
char = d;code = 100
char = e;code = 101
char = m;code = 109
char = o;code = 111
char = n;code = 110
char = s;code = 115
char = t;code = 116
char = r;code = 114
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = b;code = 98
char = y;code = 121
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = 2;code = 50
char = 0;code = 48
char = 0;code = 48
char = 3;code = 51
char = ;code = 32
char = d;code = 100
char = u;code = 117
char = s;code = 115
char = t;code = 116
char = ;code = 32
char = e;code = 101
char = x;code = 120
char = p;code = 112
char = l;code = 108
char = o;code = 111
char = s;code = 115
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = a;code = 97
char = t;code = 116
char = ;code = 32
char = a;code = 97
char = l;code = 108
char = u;code = 117
char = m;code = 109
char = i;code = 105
char = n;code = 110
char = u;code = 117
char = m;code = 109
char = ;code = 32
char = w;code = 119
char = h;code = 104
char = e;code = 101
char = e;code = 101
char = l;code = 108
char = ;code = 32
char = m;code = 109
char = a;code = 97
char = n;code = 110
char = u;code = 117
char = f;code = 102
char = a;code = 97
char = c;code = 99
char = t;code = 116
char = u;code = 117
char = r;code = 114
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = H;code = 72
char = a;code = 97
char = y;code = 121
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = L;code = 76
char = e;code = 101
char = m;code = 109
char = m;code = 109
char = e;code = 101
char = r;code = 114
char = z;code = 122
char = ,;code = 44
char = ;code = 32
char = f;code = 102
char = a;code = 97
char = c;code = 99
char = i;code = 105
char = l;code = 108
char = i;code = 105
char = t;code = 116
char = i;code = 105
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = a;code = 97
char = t;code = 116
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = c;code = 99
char = e;code = 101
char = s;code = 115
char = s;code = 115
char = ;code = 32
char = b;code = 98
char = u;code = 117
char = l;code = 108
char = k;code = 107
char = ;code = 32
char = m;code = 109
char = e;code = 101
char = t;code = 116
char = a;code = 97
char = l;code = 108
char = s;code = 115
char = ;code = 32
char = a;code = 97
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = a;code = 97
char = t;code = 116
char = ;code = 32
char = r;code = 114
char = i;code = 105
char = s;code = 115
char = k;code = 107
char = ;code = 32
char = d;code = 100
char = u;code = 117
char = e;code = 101
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = d;code = 100
char = u;code = 117
char = s;code = 115
char = t;code = 116
char = ;code = 32
char = g;code = 103
char = e;code = 101
char = n;code = 110
char = e;code = 101
char = r;code = 114
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = d;code = 100
char = u;code = 117
char = r;code = 114
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = m;code = 109
char = a;code = 97
char = c;code = 99
char = h;code = 104
char = i;code = 105
char = n;code = 110
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = f;code = 102
char = i;code = 105
char = n;code = 110
char = i;code = 105
char = s;code = 115
char = h;code = 104
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = o;code = 111
char = p;code = 112
char = e;code = 101
char = r;code = 114
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = s;code = 115
char = ;code = 32
char = [;code = 91
char = U;code = 85
char = .;code = 46
char = S;code = 83
char = .;code = 46
char = ;code = 32
char = C;code = 67
char = h;code = 104
char = e;code = 101
char = m;code = 109
char = i;code = 105
char = c;code = 99
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = S;code = 83
char = a;code = 97
char = f;code = 102
char = e;code = 101
char = t;code = 116
char = y;code = 121
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = H;code = 72
char = a;code = 97
char = z;code = 122
char = a;code = 97
char = r;code = 114
char = d;code = 100
char = ;code = 32
char = I;code = 73
char = n;code = 110
char = v;code = 118
char = e;code = 101
char = s;code = 115
char = t;code = 116
char = i;code = 105
char = g;code = 103
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = B;code = 66
char = o;code = 111
char = a;code = 97
char = r;code = 114
char = d;code = 100
char = ,;code = 44
char = ;code = 32
char = I;code = 73
char = n;code = 110
char = v;code = 118
char = e;code = 101
char = s;code = 115
char = t;code = 116
char = i;code = 105
char = g;code = 103
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = R;code = 82
char = e;code = 101
char = p;code = 112
char = o;code = 111
char = r;code = 114
char = t;code = 116
char = ,;code = 44
char = ;code = 32
char = A;code = 65
char = l;code = 108
char = u;code = 117
char = m;code = 109
char = i;code = 105
char = n;code = 110
char = u;code = 117
char = m;code = 109
char = ;code = 32
char = D;code = 68
char = u;code = 117
char = s;code = 115
char = t;code = 116
char = ;code = 32
char = E;code = 69
char = x;code = 120
char = p;code = 112
char = l;code = 108
char = o;code = 111
char = s;code = 115
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = H;code = 72
char = a;code = 97
char = y;code = 121
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = L;code = 76
char = e;code = 101
char = m;code = 109
char = m;code = 109
char = e;code = 101
char = r;code = 114
char = z;code = 122
char = ;code = 32
char = I;code = 73
char = n;code = 110
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = n;code = 110
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = a;code = 97
char = l;code = 108
char = ,;code = 44
char = ;code = 32
char = I;code = 73
char = n;code = 110
char = c;code = 99
char = .;code = 46
char = ,;code = 44
char = ;code = 32
char = H;code = 72
char = u;code = 117
char = n;code = 110
char = t;code = 116
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = t;code = 116
char = o;code = 111
char = n;code = 110
char = ,;code = 44
char = ;code = 32
char = I;code = 73
char = n;code = 110
char = d;code = 100
char = i;code = 105
char = a;code = 97
char = n;code = 110
char = a;code = 97
char = ,;code = 44
char = ;code = 32
char = R;code = 82
char = e;code = 101
char = p;code = 112
char = o;code = 111
char = r;code = 114
char = t;code = 116
char = ;code = 32
char = N;code = 78
char = o;code = 111
char = .;code = 46
char = ;code = 32
char = 2;code = 50
char = 0;code = 48
char = 0;code = 48
char = 4;code = 52
char = -;code = 45
char = 0;code = 48
char = 1;code = 49
char = -;code = 45
char = I;code = 73
char = -;code = 45
char = I;code = 73
char = N;code = 78
char = ,;code = 44
char = ;code = 32
char = S;code = 83
char = e;code = 101
char = p;code = 112
char = t;code = 116
char = e;code = 101
char = m;code = 109
char = b;code = 98
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = 2;code = 50
char = 0;code = 48
char = 0;code = 48
char = 5;code = 53
char = ];code = 93
char = .;code = 46
char = ;code = 32
char = P;code = 80
char = r;code = 114
char = e;code = 101
char = v;code = 118
char = i;code = 105
char = o;code = 111
char = u;code = 117
char = s;code = 115
char = ;code = 32
char = s;code = 115
char = t;code = 116
char = u;code = 117
char = d;code = 100
char = i;code = 105
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = h;code = 104
char = a;code = 97
char = v;code = 118
char = e;code = 101
char = ;code = 32
char = s;code = 115
char = h;code = 104
char = o;code = 111
char = w;code = 119
char = n;code = 110
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = a;code = 97
char = t;code = 116
char = ;code = 32
char = a;code = 97
char = l;code = 108
char = u;code = 117
char = m;code = 109
char = i;code = 105
char = n;code = 110
char = u;code = 117
char = m;code = 109
char = ;code = 32
char = d;code = 100
char = u;code = 117
char = s;code = 115
char = t;code = 116
char = ;code = 32
char = e;code = 101
char = x;code = 120
char = p;code = 112
char = l;code = 108
char = o;code = 111
char = s;code = 115
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = s;code = 115
char = ;code = 32
char = a;code = 97
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = m;code = 109
char = o;code = 111
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = d;code = 100
char = i;code = 105
char = f;code = 102
char = f;code = 102
char = i;code = 105
char = c;code = 99
char = u;code = 117
char = l;code = 108
char = t;code = 116
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = s;code = 115
char = u;code = 117
char = p;code = 112
char = p;code = 112
char = r;code = 114
char = e;code = 101
char = s;code = 115
char = s;code = 115
char = ;code = 32
char = w;code = 119
char = i;code = 105
char = t;code = 116
char = h;code = 104
char = ;code = 32
char = f;code = 102
char = l;code = 108
char = a;code = 97
char = m;code = 109
char = e;code = 101
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = t;code = 116
char = a;code = 97
char = r;code = 114
char = d;code = 100
char = a;code = 97
char = n;code = 110
char = t;code = 116
char = s;code = 115
char = ;code = 32
char = o;code = 111
char = r;code = 114
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = e;code = 101
char = r;code = 114
char = t;code = 116
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = a;code = 97
char = g;code = 103
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = s;code = 115
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = a;code = 97
char = n;code = 110
char = ;code = 32
char = d;code = 100
char = u;code = 117
char = s;code = 115
char = t;code = 116
char = ;code = 32
char = e;code = 101
char = x;code = 120
char = p;code = 112
char = l;code = 108
char = o;code = 111
char = s;code = 115
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = s;code = 115
char = ;code = 32
char = f;code = 102
char = u;code = 117
char = e;code = 101
char = l;code = 108
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = b;code = 98
char = y;code = 121
char = ;code = 32
char = o;code = 111
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = m;code = 109
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = i;code = 105
char = a;code = 97
char = l;code = 108
char = s;code = 115
char = ;code = 32
char = s;code = 115
char = u;code = 117
char = c;code = 99
char = h;code = 104
char = ;code = 32
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = [;code = 91
char = A;code = 65
char = .;code = 46
char = G;code = 71
char = .;code = 46
char = ;code = 32
char = D;code = 68
char = a;code = 97
char = s;code = 115
char = t;code = 116
char = i;code = 105
char = d;code = 100
char = a;code = 97
char = r;code = 114
char = ,;code = 44
char = ;code = 32
char = P;code = 80
char = .;code = 46
char = R;code = 82
char = .;code = 46
char = ;code = 32
char = A;code = 65
char = m;code = 109
char = y;code = 121
char = o;code = 111
char = t;code = 116
char = t;code = 116
char = e;code = 101
char = ,;code = 44
char = ;code = 32
char = J;code = 74
char = .;code = 46
char = ;code = 32
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char = u;code = 117
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char = l;code = 108
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char = i;code = 105
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char = d;code = 100
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char = i;code = 105
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char = d;code = 100
char = ;code = 32
char = i;code = 105
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char = ;code = 32
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char = n;code = 110
char = ;code = 32
char = a;code = 97
char = l;code = 108
char = u;code = 117
char = m;code = 109
char = i;code = 105
char = n;code = 110
char = u;code = 117
char = m;code = 109
char = ;code = 32
char = b;code = 98
char = u;code = 117
char = f;code = 102
char = f;code = 102
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = o;code = 111
char = p;code = 112
char = e;code = 101
char = r;code = 114
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = s;code = 115
char = i;code = 105
char = d;code = 100
char = u;code = 117
char = e;code = 101
char = ;code = 32
char = i;code = 105
char = s;code = 115
char = ;code = 32
char = g;code = 103
char = e;code = 101
char = n;code = 110
char = e;code = 101
char = r;code = 114
char = a;code = 97
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char = d;code = 100
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char = i;code = 105
char = s;code = 115
char = ;code = 32
char = t;code = 116
char = e;code = 101
char = c;code = 99
char = h;code = 104
char = n;code = 110
char = i;code = 105
char = q;code = 113
char = u;code = 117
char = e;code = 101
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = d;code = 100
char = u;code = 117
char = c;code = 99
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = d;code = 100
char = u;code = 117
char = s;code = 115
char = t;code = 116
char = ;code = 32
char = e;code = 101
char = x;code = 120
char = p;code = 112
char = l;code = 108
char = o;code = 111
char = s;code = 115
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = h;code = 104
char = a;code = 97
char = z;code = 122
char = a;code = 97
char = r;code = 114
char = d;code = 100
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = r;code = 114
char = o;code = 111
char = u;code = 117
char = g;code = 103
char = h;code = 104
char = o;code = 111
char = u;code = 117
char = t;code = 116
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = b;code = 98
char = u;code = 117
char = f;code = 102
char = f;code = 102
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = c;code = 99
char = e;code = 101
char = s;code = 115
char = s;code = 115
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = w;code = 119
char = i;code = 105
char = t;code = 116
char = h;code = 104
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = d;code = 100
char = u;code = 117
char = s;code = 115
char = t;code = 116
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = l;code = 108
char = l;code = 108
char = e;code = 101
char = c;code = 99
char = t;code = 116
char = o;code = 111
char = r;code = 114
char = ;code = 32
char = s;code = 115
char = y;code = 121
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char = t;code = 116
char = e;code = 101
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char = ;code = 32
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char = k;code = 107
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char = n;code = 110
char = g;code = 103
char = ;code = 32
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char = e;code = 101
char = n;code = 110
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char = l;code = 108
char = y;code = 121
char = ;code = 32
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char = a;code = 97
char = f;code = 102
char = e;code = 101
char = r;code = 114
char = .;code = 46
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char = u;code = 117
char = s;code = 115
char = t;code = 116
char = ;code = 32
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char = ;code = 32
char = d;code = 100
char = u;code = 117
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char = t;code = 116
char = s;code = 115
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = d;code = 100
char = u;code = 117
char = c;code = 99
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = d;code = 100
char = u;code = 117
char = r;code = 114
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = t;code = 116
char = r;code = 114
char = i;code = 105
char = a;code = 97
char = l;code = 108
char = s;code = 115
char = ;code = 32
char = w;code = 119
char = i;code = 105
char = t;code = 116
char = h;code = 104
char = ;code = 32
char = v;code = 118
char = a;code = 97
char = r;code = 114
char = y;code = 121
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = a;code = 97
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char = u;code = 117
char = n;code = 110
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char = ;code = 32
char = f;code = 102
char = l;code = 108
char = a;code = 97
char = m;code = 109
char = e;code = 101
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = t;code = 116
char = a;code = 97
char = r;code = 114
char = d;code = 100
char = a;code = 97
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = a;code = 97
char = d;code = 100
char = d;code = 100
char = i;code = 105
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = e;code = 101
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char = .;code = 46
char = <;code = 60
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result sql = Metal powders or dusts can represent significant dust explosion hazards in industry, due to their relatively low ignition energy and high explosivity. The hazard is well known in industries that produce or use aluminum powders, but is sometimes not recognized by facilities that produce aluminum dust as a byproduct of bulk aluminum processing. As demonstrated by the 2003 dust explosion at aluminum wheel manufacturer Hayes Lemmerz, facilities that process bulk metals are at risk due to dust generated during machining and finishing operations [U.S. Chemical Safety and Hazard Investigation Board, Investigation Report, Aluminum Dust Explosion Hayes Lemmerz International, Inc., Huntington, Indiana, Report No. 2004-01-I-IN, September 2005]. Previous studies have shown that aluminum dust explosions are more difficult to suppress with flame retardants or inerting agents than dust explosions fueled by other materials such as coal [A.G. Dastidar, P.R. Amyotte, J. Going, K. Chatrathi, Flammability limits of dust-minimum inerting concentrations, Proc Saf: Progr., 18-1 (1999) 56-63]. In this paper, an inerting method is discussed to reduce the dust explosion hazard of residue created in an aluminum buffing operation as the residue is generated. This technique reduces the dust explosion hazard throughout the buffing process and within the dust collector systems making the process inherently safer. Dust explosion testing results are presented for process dusts produced during trials with varying amounts of flame retardant additives.
Publication: J. Hazard. Mater. 2008 Nov 15 ;159(1)::72-80. :doi: 10.1016/j.jhazmat.2008.02.106.
Publication Date: 2008 Nov 15
Study Author(s): Myers, Timothy J;
Institution: Exponent, Inc., 21 Strathmore Road, Natick, MA 01760, USA. [email protected]
Shortcut link to this study:
Publication Date: 2008 Nov 15
Study Author(s): Myers, Timothy J;
Institution: Exponent, Inc., 21 Strathmore Road, Natick, MA 01760, USA. [email protected]
Shortcut link to this study:
Metal powders or dusts can represent significant dust explosion hazards in industry, due to their relatively low ignition energy and high explosivity. The hazard is well known in industries that produce or use aluminum powders, but is sometimes not recognized by facilities that produce aluminum dust as a byproduct of bulk aluminum processing. As demonstrated by the 2003 dust explosion at aluminum wheel manufacturer Hayes Lemmerz, facilities that process bulk metals are at risk due to dust generated during machining and finishing operations [U.S. Chemical Safety and Hazard Investigation Board, Investigation Report, Aluminum Dust Explosion Hayes Lemmerz International, Inc., Huntington, Indiana, Report No. 2004-01-I-IN, September 2005]. Previous studies have shown that aluminum dust explosions are more difficult to suppress with flame retardants or inerting agents than dust explosions fueled by other materials such as coal [A.G. Dastidar, P.R. Amyotte, J. Going, K. Chatrathi, Flammability limits of dust-minimum inerting concentrations, Proc Saf: Progr., 18-1 (1999) 56-63]. In this paper, an inerting method is discussed to reduce the dust explosion hazard of residue created in an aluminum buffing operation as the residue is generated. This technique reduces the dust explosion hazard throughout the buffing process and within the dust collector systems making the process inherently safer. Dust explosion testing results are presented for process dusts produced during trials with varying amounts of flame retardant additives.
PMID: 18423857
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