|
|
char = R;code = 82
char = e;code = 101
char = m;code = 109
char = o;code = 111
char = v;code = 118
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = m;code = 109
char = e;code = 101
char = r;code = 114
char = c;code = 99
char = u;code = 117
char = r;code = 114
char = y;code = 121
char = ;code = 32
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char = r;code = 114
char = o;code = 111
char = m;code = 109
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char = e;code = 101
char = r;code = 114
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char = b;code = 98
char = y;code = 121
char = ;code = 32
char = c;code = 99
char = a;code = 97
char = r;code = 114
char = b;code = 98
char = o;code = 111
char = n;code = 110
char = a;code = 97
char = c;code = 99
char = e;code = 101
char = o;code = 111
char = u;code = 117
char = s;code = 115
char = ;code = 32
char = s;code = 115
char = o;code = 111
char = r;code = 114
char = b;code = 98
char = e;code = 101
char = n;code = 110
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char = s;code = 115
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char = e;code = 101
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char = d;code = 100
char = ;code = 32
char = f;code = 102
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char = o;code = 111
char = m;code = 109
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char = w;code = 119
char = a;code = 97
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char = n;code = 110
char = u;code = 117
char = t;code = 116
char = ;code = 32
char = s;code = 115
char = h;code = 104
char = e;code = 101
char = l;code = 108
char = l;code = 108
char = .;code = 46
result sql = Removal of mercury from water by carbonaceous sorbents derived from walnut shell.
Removal of mercury from water by carbonaceous sorbents derived from walnut shell.char = T;code = 84
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = a;code = 97
char = d;code = 100
char = s;code = 115
char = o;code = 111
char = r;code = 114
char = p;code = 112
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = a;code = 97
char = b;code = 98
char = i;code = 105
char = l;code = 108
char = i;code = 105
char = t;code = 116
char = y;code = 121
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = a;code = 97
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 = e;code = 101
char = d;code = 100
char = ;code = 32
char = a;code = 97
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = c;code = 99
char = a;code = 97
char = r;code = 114
char = b;code = 98
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = (;code = 40
char = P;code = 80
char = A;code = 65
char = C;code = 67
char = );code = 41
char = ;code = 32
char = d;code = 100
char = e;code = 101
char = r;code = 114
char = i;code = 105
char = v;code = 118
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = f;code = 102
char = r;code = 114
char = o;code = 111
char = m;code = 109
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = l;code = 108
char = n;code = 110
char = u;code = 117
char = t;code = 116
char = ;code = 32
char = s;code = 115
char = h;code = 104
char = e;code = 101
char = l;code = 108
char = l;code = 108
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = v;code = 118
char = e;code = 101
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char = t;code = 116
char = i;code = 105
char = g;code = 103
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = d;code = 100
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 = t;code = 116
char = t;code = 116
char = e;code = 101
char = m;code = 109
char = p;code = 112
char = t;code = 116
char = ;code = 32
char = t;code = 116
char = o;code = 111
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 = m;code = 109
char = o;code = 111
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = e;code = 101
char = c;code = 99
char = o;code = 111
char = n;code = 110
char = o;code = 111
char = m;code = 109
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = e;code = 101
char = f;code = 102
char = f;code = 102
char = e;code = 101
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = e;code = 101
char = ;code = 32
char = s;code = 115
char = o;code = 111
char = r;code = 114
char = b;code = 98
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = n;code = 110
char = t;code = 116
char = r;code = 114
char = o;code = 111
char = l;code = 108
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = H;code = 72
char = g;code = 103
char = (;code = 40
char = I;code = 73
char = I;code = 73
char = );code = 41
char = ;code = 32
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = f;code = 102
char = r;code = 114
char = o;code = 111
char = m;code = 109
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 = a;code = 97
char = l;code = 108
char = ;code = 32
char = l;code = 108
char = i;code = 105
char = q;code = 113
char = u;code = 117
char = i;code = 105
char = d;code = 100
char = ;code = 32
char = s;code = 115
char = t;code = 116
char = r;code = 114
char = e;code = 101
char = a;code = 97
char = m;code = 109
char = s;code = 115
char = .;code = 46
char = ;code = 32
char = C;code = 67
char = a;code = 97
char = r;code = 114
char = b;code = 98
char = o;code = 111
char = n;code = 110
char = a;code = 97
char = c;code = 99
char = e;code = 101
char = o;code = 111
char = u;code = 117
char = s;code = 115
char = ;code = 32
char = s;code = 115
char = o;code = 111
char = r;code = 114
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char = t;code = 116
char = s;code = 115
char = ;code = 32
char = d;code = 100
char = e;code = 101
char = r;code = 114
char = i;code = 105
char = v;code = 118
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = f;code = 102
char = r;code = 114
char = o;code = 111
char = m;code = 109
char = ;code = 32
char = I;code = 73
char = r;code = 114
char = a;code = 97
char = n;code = 110
char = i;code = 105
char = a;code = 97
char = n;code = 110
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = l;code = 108
char = n;code = 110
char = u;code = 117
char = t;code = 116
char = ;code = 32
char = s;code = 115
char = h;code = 104
char = e;code = 101
char = l;code = 108
char = l;code = 108
char = ;code = 32
char = (;code = 40
char = W;code = 87
char = S;code = 83
char = );code = 41
char = ;code = 32
char = w;code = 119
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = e;code = 101
char = p;code = 112
char = a;code = 97
char = r;code = 114
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = b;code = 98
char = y;code = 121
char = ;code = 32
char = c;code = 99
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 = a;code = 97
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = m;code = 109
char = e;code = 101
char = t;code = 116
char = h;code = 104
char = o;code = 111
char = d;code = 100
char = ;code = 32
char = u;code = 117
char = s;code = 115
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = Z;code = 90
char = n;code = 110
char = C;code = 67
char = l;code = 108
char = (;code = 40
char = 2;code = 50
char = );code = 41
char = ;code = 32
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = ;code = 32
char = a;code = 97
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = a;code = 97
char = g;code = 103
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = .;code = 46
char = ;code = 32
char = T;code = 84
char = o;code = 111
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = b;code = 98
char = e;code = 101
char = s;code = 115
char = t;code = 116
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = o;code = 111
char = u;code = 117
char = r;code = 114
char = ;code = 32
char = k;code = 107
char = n;code = 110
char = o;code = 111
char = w;code = 119
char = l;code = 108
char = e;code = 101
char = d;code = 100
char = g;code = 103
char = e;code = 101
char = ,;code = 44
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = i;code = 105
char = s;code = 115
char = ;code = 32
char = a;code = 97
char = d;code = 100
char = s;code = 115
char = o;code = 111
char = r;code = 114
char = b;code = 98
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = n;code = 110
char = o;code = 111
char = t;code = 116
char = ;code = 32
char = u;code = 117
char = s;code = 115
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = b;code = 98
char = e;code = 101
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = m;code = 109
char = o;code = 111
char = v;code = 118
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = m;code = 109
char = e;code = 101
char = r;code = 114
char = c;code = 99
char = u;code = 117
char = r;code = 114
char = y;code = 121
char = ;code = 32
char = f;code = 102
char = r;code = 114
char = o;code = 111
char = m;code = 109
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = .;code = 46
char = ;code = 32
char = A;code = 65
char = d;code = 100
char = s;code = 115
char = o;code = 111
char = r;code = 114
char = p;code = 112
char = t;code = 116
char = i;code = 105
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char = f;code = 102
char = ;code = 32
char = H;code = 72
char = g;code = 103
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char = I;code = 73
char = I;code = 73
char = );code = 41
char = ;code = 32
char = f;code = 102
char = r;code = 114
char = o;code = 111
char = m;code = 109
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char = e;code = 101
char = o;code = 111
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char = s;code = 115
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char = s;code = 115
char = o;code = 111
char = l;code = 108
char = u;code = 117
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char = i;code = 105
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char = a;code = 97
char = s;code = 115
char = ;code = 32
char = c;code = 99
char = a;code = 97
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char = r;code = 114
char = i;code = 105
char = e;code = 101
char = d;code = 100
char = ;code = 32
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char = t;code = 116
char = ;code = 32
char = u;code = 117
char = n;code = 110
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char = e;code = 101
char = r;code = 114
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char = d;code = 100
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char = e;code = 101
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char = i;code = 105
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char = r;code = 114
char = e;code = 101
char = a;code = 97
char = t;code = 116
char = m;code = 109
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char = n;code = 110
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char = t;code = 116
char = i;code = 105
char = m;code = 109
char = e;code = 101
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char = m;code = 109
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char = ;code = 32
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char = d;code = 100
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char = o;code = 111
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char = u;code = 117
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char = .;code = 46
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char = I;code = 73
char = t;code = 116
char = ;code = 32
char = w;code = 119
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char = d;code = 100
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char = e;code = 101
char = d;code = 100
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char = a;code = 97
char = t;code = 116
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char = I;code = 73
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char = a;code = 97
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char = o;code = 111
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char = p;code = 112
char = t;code = 116
char = i;code = 105
char = o;code = 111
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char = f;code = 102
char = o;code = 111
char = l;code = 108
char = l;code = 108
char = o;code = 111
char = w;code = 119
char = s;code = 115
char = ;code = 32
char = b;code = 98
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char = h;code = 104
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char = L;code = 76
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char = g;code = 103
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char = e;code = 101
char = a;code = 97
char = s;code = 115
char = e;code = 101
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 = i;code = 105
char = n;code = 110
char = c;code = 99
char = r;code = 114
char = e;code = 101
char = a;code = 97
char = s;code = 115
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = p;code = 112
char = H;code = 72
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = s;code = 115
char = o;code = 111
char = l;code = 108
char = u;code = 117
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = .;code = 46
char = ;code = 32
char = T;code = 84
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = p;code = 112
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = c;code = 99
char = h;code = 104
char = o;code = 111
char = i;code = 105
char = c;code = 99
char = e;code = 101
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = e;code = 101
char = p;code = 112
char = a;code = 97
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 = c;code = 99
char = o;code = 111
char = n;code = 110
char = d;code = 100
char = i;code = 105
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = s;code = 115
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = s;code = 115
char = u;code = 117
char = l;code = 108
char = t;code = 116
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = a;code = 97
char = ;code = 32
char = m;code = 109
char = i;code = 105
char = c;code = 99
char = r;code = 114
char = o;code = 111
char = p;code = 112
char = o;code = 111
char = r;code = 114
char = o;code = 111
char = u;code = 117
char = s;code = 115
char = ;code = 32
char = a;code = 97
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = c;code = 99
char = a;code = 97
char = r;code = 114
char = b;code = 98
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = w;code = 119
char = i;code = 105
char = t;code = 116
char = h;code = 104
char = ;code = 32
char = 0;code = 48
char = .;code = 46
char = 4;code = 52
char = 5;code = 53
char = ;code = 32
char = g;code = 103
char = /;code = 47
char = c;code = 99
char = m;code = 109
char = (;code = 40
char = 3;code = 51
char = );code = 41
char = ;code = 32
char = d;code = 100
char = e;code = 101
char = n;code = 110
char = s;code = 115
char = i;code = 105
char = t;code = 116
char = y;code = 121
char = ,;code = 44
char = ;code = 32
char = 7;code = 55
char = 3;code = 51
char = 7;code = 55
char = ;code = 32
char = m;code = 109
char = g;code = 103
char = /;code = 47
char = g;code = 103
char = ;code = 32
char = i;code = 105
char = o;code = 111
char = d;code = 100
char = i;code = 105
char = n;code = 110
char = e;code = 101
char = ;code = 32
char = n;code = 110
char = u;code = 117
char = m;code = 109
char = b;code = 98
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = 7;code = 55
char = 8;code = 56
char = 0;code = 48
char = ;code = 32
char = m;code = 109
char = (;code = 40
char = 2;code = 50
char = );code = 41
char = /;code = 47
char = g;code = 103
char = ;code = 32
char = B;code = 66
char = E;code = 69
char = T;code = 84
char = ;code = 32
char = s;code = 115
char = u;code = 117
char = r;code = 114
char = f;code = 102
char = a;code = 97
char = c;code = 99
char = e;code = 101
char = ;code = 32
char = a;code = 97
char = r;code = 114
char = e;code = 101
char = a;code = 97
char = .;code = 46
char = ;code = 32
char = T;code = 84
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = m;code = 109
char = o;code = 111
char = n;code = 110
char = o;code = 111
char = l;code = 108
char = a;code = 97
char = y;code = 121
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = s;code = 115
char = o;code = 111
char = r;code = 114
char = p;code = 112
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = c;code = 99
char = a;code = 97
char = p;code = 112
char = a;code = 97
char = c;code = 99
char = i;code = 105
char = t;code = 116
char = y;code = 121
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = i;code = 105
char = s;code = 115
char = ;code = 32
char = o;code = 111
char = p;code = 112
char = t;code = 116
char = i;code = 105
char = m;code = 109
char = u;code = 117
char = m;code = 109
char = ;code = 32
char = a;code = 97
char = d;code = 100
char = s;code = 115
char = o;code = 111
char = r;code = 114
char = b;code = 98
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = o;code = 111
char = b;code = 98
char = t;code = 116
char = a;code = 97
char = i;code = 105
char = n;code = 110
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = 1;code = 49
char = 5;code = 53
char = 1;code = 49
char = .;code = 46
char = 5;code = 53
char = ;code = 32
char = m;code = 109
char = g;code = 103
char = /;code = 47
char = g;code = 103
char = .;code = 46
char = <;code = 60
char = b;code = 98
char = r;code = 114
char = /;code = 47
char = >;code = 62
result sql = The adsorption ability of a powdered activated carbon (PAC) derived from walnut shell was investigated in an attempt to produce more economic and effective sorbent for the control of Hg(II) ion from industrial liquid streams. Carbonaceous sorbents derived from Iranian walnut shell (WS) were prepared by chemical activation method using ZnCl(2) as an activating reagent. To the best of our knowledge, this adsorbent was not used before for removing mercury from water. Adsorption of Hg(II) from aqueous solutions was carried out under different experimental conditions by varying treatment time, metal ion concentration, adsorbent amount, pH and solution temperature. It was determined that Hg(II) adsorption follows both Langmuir and Freundlich isotherms as well as pseudo-second-order kinetics. It was also shown that Hg(II) uptake decreases with increasing pH of the solution. The proper choice of preparation conditions resulted in a microporous activated carbon with 0.45 g/cm(3) density, 737 mg/g iodine number and 780 m(2)/g BET surface area. The monolayer sorption capacity of this optimum adsorbent was obtained as 151.5 mg/g.
char = e;code = 101
char = m;code = 109
char = o;code = 111
char = v;code = 118
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = m;code = 109
char = e;code = 101
char = r;code = 114
char = c;code = 99
char = u;code = 117
char = r;code = 114
char = y;code = 121
char = ;code = 32
char = f;code = 102
char = r;code = 114
char = o;code = 111
char = m;code = 109
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = b;code = 98
char = y;code = 121
char = ;code = 32
char = c;code = 99
char = a;code = 97
char = r;code = 114
char = b;code = 98
char = o;code = 111
char = n;code = 110
char = a;code = 97
char = c;code = 99
char = e;code = 101
char = o;code = 111
char = u;code = 117
char = s;code = 115
char = ;code = 32
char = s;code = 115
char = o;code = 111
char = r;code = 114
char = b;code = 98
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = s;code = 115
char = ;code = 32
char = d;code = 100
char = e;code = 101
char = r;code = 114
char = i;code = 105
char = v;code = 118
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = f;code = 102
char = r;code = 114
char = o;code = 111
char = m;code = 109
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = l;code = 108
char = n;code = 110
char = u;code = 117
char = t;code = 116
char = ;code = 32
char = s;code = 115
char = h;code = 104
char = e;code = 101
char = l;code = 108
char = l;code = 108
char = .;code = 46
result sql = Removal of mercury from water by carbonaceous sorbents derived from walnut shell.
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = a;code = 97
char = d;code = 100
char = s;code = 115
char = o;code = 111
char = r;code = 114
char = p;code = 112
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = a;code = 97
char = b;code = 98
char = i;code = 105
char = l;code = 108
char = i;code = 105
char = t;code = 116
char = y;code = 121
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = a;code = 97
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 = e;code = 101
char = d;code = 100
char = ;code = 32
char = a;code = 97
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = c;code = 99
char = a;code = 97
char = r;code = 114
char = b;code = 98
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = (;code = 40
char = P;code = 80
char = A;code = 65
char = C;code = 67
char = );code = 41
char = ;code = 32
char = d;code = 100
char = e;code = 101
char = r;code = 114
char = i;code = 105
char = v;code = 118
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = f;code = 102
char = r;code = 114
char = o;code = 111
char = m;code = 109
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = l;code = 108
char = n;code = 110
char = u;code = 117
char = t;code = 116
char = ;code = 32
char = s;code = 115
char = h;code = 104
char = e;code = 101
char = l;code = 108
char = l;code = 108
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = i;code = 105
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 = e;code = 101
char = d;code = 100
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 = t;code = 116
char = t;code = 116
char = e;code = 101
char = m;code = 109
char = p;code = 112
char = t;code = 116
char = ;code = 32
char = t;code = 116
char = o;code = 111
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 = m;code = 109
char = o;code = 111
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = e;code = 101
char = c;code = 99
char = o;code = 111
char = n;code = 110
char = o;code = 111
char = m;code = 109
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = e;code = 101
char = f;code = 102
char = f;code = 102
char = e;code = 101
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = e;code = 101
char = ;code = 32
char = s;code = 115
char = o;code = 111
char = r;code = 114
char = b;code = 98
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = n;code = 110
char = t;code = 116
char = r;code = 114
char = o;code = 111
char = l;code = 108
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = H;code = 72
char = g;code = 103
char = (;code = 40
char = I;code = 73
char = I;code = 73
char = );code = 41
char = ;code = 32
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = f;code = 102
char = r;code = 114
char = o;code = 111
char = m;code = 109
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 = a;code = 97
char = l;code = 108
char = ;code = 32
char = l;code = 108
char = i;code = 105
char = q;code = 113
char = u;code = 117
char = i;code = 105
char = d;code = 100
char = ;code = 32
char = s;code = 115
char = t;code = 116
char = r;code = 114
char = e;code = 101
char = a;code = 97
char = m;code = 109
char = s;code = 115
char = .;code = 46
char = ;code = 32
char = C;code = 67
char = a;code = 97
char = r;code = 114
char = b;code = 98
char = o;code = 111
char = n;code = 110
char = a;code = 97
char = c;code = 99
char = e;code = 101
char = o;code = 111
char = u;code = 117
char = s;code = 115
char = ;code = 32
char = s;code = 115
char = o;code = 111
char = r;code = 114
char = b;code = 98
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = s;code = 115
char = ;code = 32
char = d;code = 100
char = e;code = 101
char = r;code = 114
char = i;code = 105
char = v;code = 118
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = f;code = 102
char = r;code = 114
char = o;code = 111
char = m;code = 109
char = ;code = 32
char = I;code = 73
char = r;code = 114
char = a;code = 97
char = n;code = 110
char = i;code = 105
char = a;code = 97
char = n;code = 110
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = l;code = 108
char = n;code = 110
char = u;code = 117
char = t;code = 116
char = ;code = 32
char = s;code = 115
char = h;code = 104
char = e;code = 101
char = l;code = 108
char = l;code = 108
char = ;code = 32
char = (;code = 40
char = W;code = 87
char = S;code = 83
char = );code = 41
char = ;code = 32
char = w;code = 119
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = e;code = 101
char = p;code = 112
char = a;code = 97
char = r;code = 114
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = b;code = 98
char = y;code = 121
char = ;code = 32
char = c;code = 99
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 = a;code = 97
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = m;code = 109
char = e;code = 101
char = t;code = 116
char = h;code = 104
char = o;code = 111
char = d;code = 100
char = ;code = 32
char = u;code = 117
char = s;code = 115
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = Z;code = 90
char = n;code = 110
char = C;code = 67
char = l;code = 108
char = (;code = 40
char = 2;code = 50
char = );code = 41
char = ;code = 32
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = ;code = 32
char = a;code = 97
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = a;code = 97
char = g;code = 103
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = .;code = 46
char = ;code = 32
char = T;code = 84
char = o;code = 111
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = b;code = 98
char = e;code = 101
char = s;code = 115
char = t;code = 116
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = o;code = 111
char = u;code = 117
char = r;code = 114
char = ;code = 32
char = k;code = 107
char = n;code = 110
char = o;code = 111
char = w;code = 119
char = l;code = 108
char = e;code = 101
char = d;code = 100
char = g;code = 103
char = e;code = 101
char = ,;code = 44
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = i;code = 105
char = s;code = 115
char = ;code = 32
char = a;code = 97
char = d;code = 100
char = s;code = 115
char = o;code = 111
char = r;code = 114
char = b;code = 98
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = n;code = 110
char = o;code = 111
char = t;code = 116
char = ;code = 32
char = u;code = 117
char = s;code = 115
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = b;code = 98
char = e;code = 101
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = m;code = 109
char = o;code = 111
char = v;code = 118
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = m;code = 109
char = e;code = 101
char = r;code = 114
char = c;code = 99
char = u;code = 117
char = r;code = 114
char = y;code = 121
char = ;code = 32
char = f;code = 102
char = r;code = 114
char = o;code = 111
char = m;code = 109
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = .;code = 46
char = ;code = 32
char = A;code = 65
char = d;code = 100
char = s;code = 115
char = o;code = 111
char = r;code = 114
char = p;code = 112
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = H;code = 72
char = g;code = 103
char = (;code = 40
char = I;code = 73
char = I;code = 73
char = );code = 41
char = ;code = 32
char = f;code = 102
char = r;code = 114
char = o;code = 111
char = m;code = 109
char = ;code = 32
char = a;code = 97
char = q;code = 113
char = u;code = 117
char = e;code = 101
char = o;code = 111
char = u;code = 117
char = s;code = 115
char = ;code = 32
char = s;code = 115
char = o;code = 111
char = l;code = 108
char = u;code = 117
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = s;code = 115
char = ;code = 32
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result sql = The adsorption ability of a powdered activated carbon (PAC) derived from walnut shell was investigated in an attempt to produce more economic and effective sorbent for the control of Hg(II) ion from industrial liquid streams. Carbonaceous sorbents derived from Iranian walnut shell (WS) were prepared by chemical activation method using ZnCl(2) as an activating reagent. To the best of our knowledge, this adsorbent was not used before for removing mercury from water. Adsorption of Hg(II) from aqueous solutions was carried out under different experimental conditions by varying treatment time, metal ion concentration, adsorbent amount, pH and solution temperature. It was determined that Hg(II) adsorption follows both Langmuir and Freundlich isotherms as well as pseudo-second-order kinetics. It was also shown that Hg(II) uptake decreases with increasing pH of the solution. The proper choice of preparation conditions resulted in a microporous activated carbon with 0.45 g/cm(3) density, 737 mg/g iodine number and 780 m(2)/g BET surface area. The monolayer sorption capacity of this optimum adsorbent was obtained as 151.5 mg/g.
Publication: J. Hazard. Mater. 2009 Aug 15 ;167(1-3)::230-6. :doi: 10.1016/j.jhazmat.2008.12.108.
Publication Date: 2009 Aug 15
Study Author(s): Zabihi, M;Ahmadpour, A;Asl, A Haghighi;
Institution: Department of Chemical Engineering, Semnan University, Semnan, Iran.
Shortcut link to this study:
Publication Date: 2009 Aug 15
Study Author(s): Zabihi, M;Ahmadpour, A;Asl, A Haghighi;
Institution: Department of Chemical Engineering, Semnan University, Semnan, Iran.
Shortcut link to this study:
The adsorption ability of a powdered activated carbon (PAC) derived from walnut shell was investigated in an attempt to produce more economic and effective sorbent for the control of Hg(II) ion from industrial liquid streams. Carbonaceous sorbents derived from Iranian walnut shell (WS) were prepared by chemical activation method using ZnCl(2) as an activating reagent. To the best of our knowledge, this adsorbent was not used before for removing mercury from water. Adsorption of Hg(II) from aqueous solutions was carried out under different experimental conditions by varying treatment time, metal ion concentration, adsorbent amount, pH and solution temperature. It was determined that Hg(II) adsorption follows both Langmuir and Freundlich isotherms as well as pseudo-second-order kinetics. It was also shown that Hg(II) uptake decreases with increasing pH of the solution. The proper choice of preparation conditions resulted in a microporous activated carbon with 0.45 g/cm(3) density, 737 mg/g iodine number and 780 m(2)/g BET surface area. The monolayer sorption capacity of this optimum adsorbent was obtained as 151.5 mg/g.
PMID: 19181445
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