char = E;code = 69
char = t;code = 116
char = h;code = 104
char = y;code = 121
char = l;code = 108
char = e;code = 101
char = n;code = 110
char = e;code = 101
char = d;code = 100
char = i;code = 105
char = a;code = 97
char = m;code = 109
char = i;code = 105
char = n;code = 110
char = e;code = 101
char = ;code = 32
char = m;code = 109
char = o;code = 111
char = d;code = 100
char = i;code = 105
char = f;code = 102
char = i;code = 105
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = s;code = 115
char = t;code = 116
char = a;code = 97
char = r;code = 114
char = c;code = 99
char = h;code = 104
char = ;code = 32
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = b;code = 98
char = i;code = 105
char = o;code = 111
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 = a;code = 97
char = c;code = 99
char = i;code = 105
char = d;code = 100
char = ;code = 32
char = d;code = 100
char = y;code = 121
char = e;code = 101
char = s;code = 115
char = .;code = 46
result sql = Ethylenediamine modified starch as biosorbent for acid dyes.
Ethylenediamine modified starch as biosorbent for acid dyes.
char = T;code = 84
char = h;code = 104
char = i;code = 105
char = s;code = 115
char = ;code = 32
char = w;code = 119
char = o;code = 111
char = r;code = 114
char = k;code = 107
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 = t;code = 116
char = h;code = 104
char = e;code = 101
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 = p;code = 112
char = e;code = 101
char = r;code = 114
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = m;code = 109
char = a;code = 97
char = n;code = 110
char = c;code = 99
char = e;code = 101
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 = e;code = 101
char = t;code = 116
char = h;code = 104
char = y;code = 121
char = l;code = 108
char = e;code = 101
char = n;code = 110
char = e;code = 101
char = d;code = 100
char = i;code = 105
char = a;code = 97
char = m;code = 109
char = i;code = 105
char = n;code = 110
char = e;code = 101
char = ;code = 32
char = m;code = 109
char = o;code = 111
char = d;code = 100
char = i;code = 105
char = f;code = 102
char = i;code = 105
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = s;code = 115
char = t;code = 116
char = a;code = 97
char = r;code = 114
char = c;code = 99
char = h;code = 104
char = ;code = 32
char = (;code = 40
char = C;code = 67
char = A;code = 65
char = S;code = 83
char = );code = 41
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 = r;code = 114
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 = a;code = 97
char = c;code = 99
char = i;code = 105
char = d;code = 100
char = ;code = 32
char = d;code = 100
char = y;code = 121
char = e;code = 101
char = s;code = 115
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 = 46
char = ;code = 32
char = T;code = 84
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = f;code = 102
char = l;code = 108
char = u;code = 117
char = e;code = 101
char = n;code = 110
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 = H;code = 72
char = ;code = 32
char = o;code = 111
char = n;code = 110
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 = o;code = 111
char = f;code = 102
char = ;code = 32
char = a;code = 97
char = c;code = 99
char = i;code = 105
char = d;code = 100
char = ;code = 32
char = o;code = 111
char = r;code = 114
char = a;code = 97
char = n;code = 110
char = g;code = 103
char = e;code = 101
char = ;code = 32
char = 1;code = 49
char = 0;code = 48
char = ;code = 32
char = (;code = 40
char = A;code = 65
char = O;code = 79
char = 1;code = 49
char = 0;code = 48
char = );code = 41
char = ,;code = 44
char = ;code = 32
char = a;code = 97
char = c;code = 99
char = i;code = 105
char = d;code = 100
char = ;code = 32
char = g;code = 103
char = r;code = 114
char = e;code = 101
char = e;code = 101
char = n;code = 110
char = ;code = 32
char = 2;code = 50
char = 5;code = 53
char = ;code = 32
char = (;code = 40
char = A;code = 65
char = G;code = 71
char = 2;code = 50
char = 5;code = 53
char = );code = 41
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = a;code = 97
char = m;code = 109
char = i;code = 105
char = d;code = 100
char = o;code = 111
char = ;code = 32
char = b;code = 98
char = l;code = 108
char = a;code = 97
char = c;code = 99
char = k;code = 107
char = ;code = 32
char = 1;code = 49
char = 0;code = 48
char = B;code = 66
char = ;code = 32
char = (;code = 40
char = A;code = 65
char = B;code = 66
char = 1;code = 49
char = 0;code = 48
char = B;code = 66
char = );code = 41
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = e;code = 101
char = v;code = 118
char = a;code = 97
char = l;code = 108
char = u;code = 117
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = d;code = 100
char = .;code = 46
char = ;code = 32
char = T;code = 84
char = h;code = 104
char = e;code = 101
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 = k;code = 107
char = i;code = 105
char = n;code = 110
char = e;code = 101
char = t;code = 116
char = i;code = 105
char = c;code = 99
char = s;code = 115
char = ,;code = 44
char = ;code = 32
char = e;code = 101
char = q;code = 113
char = u;code = 117
char = i;code = 105
char = l;code = 108
char = i;code = 105
char = b;code = 98
char = r;code = 114
char = i;code = 105
char = u;code = 117
char = m;code = 109
char = ;code = 32
char = u;code = 117
char = p;code = 112
char = t;code = 116
char = a;code = 97
char = k;code = 107
char = e;code = 101
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = d;code = 100
char = e;code = 101
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 = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = l;code = 108
char = o;code = 111
char = a;code = 97
char = d;code = 100
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = d;code = 100
char = y;code = 121
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = s;code = 115
char = o;code = 111
char = d;code = 100
char = i;code = 105
char = u;code = 117
char = m;code = 109
char = ;code = 32
char = s;code = 115
char = u;code = 117
char = l;code = 108
char = f;code = 102
char = a;code = 97
char = t;code = 116
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 = 32
char = w;code = 119
char = e;code = 101
char = r;code = 114
char = e;code = 101
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 = d;code = 100
char = .;code = 46
char = ;code = 32
char = I;code = 73
char = t;code = 116
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = u;code = 117
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = a;code = 97
char = t;code = 116
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = a;code = 97
char = c;code = 99
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 = c;code = 99
char = h;code = 104
char = a;code = 97
char = n;code = 110
char = i;code = 105
char = s;code = 115
char = m;code = 109
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = b;code = 98
char = a;code = 97
char = s;code = 115
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = e;code = 101
char = l;code = 108
char = e;code = 101
char = c;code = 99
char = t;code = 116
char = r;code = 114
char = o;code = 111
char = s;code = 115
char = t;code = 116
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = a;code = 97
char = t;code = 116
char = t;code = 116
char = r;code = 114
char = a;code = 97
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = h;code = 104
char = y;code = 121
char = d;code = 100
char = r;code = 114
char = o;code = 111
char = g;code = 103
char = e;code = 101
char = n;code = 110
char = ;code = 32
char = b;code = 98
char = o;code = 111
char = n;code = 110
char = d;code = 100
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = .;code = 46
char = ;code = 32
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 = o;code = 111
char = f;code = 102
char = ;code = 32
char = A;code = 65
char = G;code = 71
char = 2;code = 50
char = 5;code = 53
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = A;code = 65
char = B;code = 66
char = 1;code = 49
char = 0;code = 48
char = B;code = 66
char = ;code = 32
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 = e;code = 101
char = d;code = 100
char = ;code = 32
char = p;code = 112
char = s;code = 115
char = e;code = 101
char = u;code = 117
char = d;code = 100
char = o;code = 111
char = -;code = 45
char = s;code = 115
char = e;code = 101
char = c;code = 99
char = o;code = 111
char = n;code = 110
char = d;code = 100
char = -;code = 45
char = o;code = 111
char = r;code = 114
char = d;code = 100
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = m;code = 109
char = o;code = 111
char = d;code = 100
char = e;code = 101
char = l;code = 108
char = ,;code = 44
char = ;code = 32
char = w;code = 119
char = h;code = 104
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = A;code = 65
char = O;code = 79
char = 1;code = 49
char = 0;code = 48
char = ;code = 32
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 = e;code = 101
char = d;code = 100
char = ;code = 32
char = b;code = 98
char = o;code = 111
char = t;code = 116
char = h;code = 104
char = ;code = 32
char = p;code = 112
char = s;code = 115
char = e;code = 101
char = u;code = 117
char = d;code = 100
char = o;code = 111
char = -;code = 45
char = f;code = 102
char = i;code = 105
char = r;code = 114
char = s;code = 115
char = t;code = 116
char = -;code = 45
char = o;code = 111
char = r;code = 114
char = d;code = 100
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 = p;code = 112
char = s;code = 115
char = e;code = 101
char = u;code = 117
char = d;code = 100
char = o;code = 111
char = -;code = 45
char = s;code = 115
char = e;code = 101
char = c;code = 99
char = o;code = 111
char = n;code = 110
char = d;code = 100
char = -;code = 45
char = o;code = 111
char = r;code = 114
char = d;code = 100
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = m;code = 109
char = o;code = 111
char = d;code = 100
char = e;code = 101
char = l;code = 108
char = s;code = 115
char = .;code = 46
char = ;code = 32
char = T;code = 84
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 = i;code = 105
char = s;code = 115
char = o;code = 111
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = r;code = 114
char = m;code = 109
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = L;code = 76
char = a;code = 97
char = n;code = 110
char = g;code = 103
char = m;code = 109
char = u;code = 117
char = i;code = 105
char = r;code = 114
char = ;code = 32
char = e;code = 101
char = q;code = 113
char = u;code = 117
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 = n;code = 110
char = d;code = 100
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
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 = i;code = 105
char = e;code = 101
char = s;code = 115
char = ;code = 32
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 = e;code = 101
char = d;code = 100
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = s;code = 115
char = e;code = 101
char = q;code = 113
char = u;code = 117
char = e;code = 101
char = n;code = 110
char = c;code = 99
char = e;code = 101
char = ;code = 32
char = A;code = 65
char = B;code = 66
char = 1;code = 49
char = 0;code = 48
char = B;code = 66
char = >;code = 62
char = A;code = 65
char = G;code = 71
char = 2;code = 50
char = 5;code = 53
char = >;code = 62
char = A;code = 65
char = O;code = 79
char = 1;code = 49
char = 0;code = 48
char = .;code = 46
char = ;code = 32
char = T;code = 84
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = d;code = 100
char = i;code = 105
char = f;code = 102
char = f;code = 102
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = b;code = 98
char = e;code = 101
char = h;code = 104
char = a;code = 97
char = v;code = 118
char = i;code = 105
char = o;code = 111
char = r;code = 114
char = s;code = 115
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = d;code = 100
char = i;code = 105
char = v;code = 118
char = i;code = 105
char = d;code = 100
char = u;code = 117
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = d;code = 100
char = y;code = 121
char = e;code = 101
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 = 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 = n;code = 110
char = ;code = 32
char = C;code = 67
char = A;code = 65
char = S;code = 83
char = ;code = 32
char = w;code = 119
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = l;code = 108
char = a;code = 97
char = r;code = 114
char = g;code = 103
char = e;code = 101
char = l;code = 108
char = y;code = 121
char = ;code = 32
char = d;code = 100
char = e;code = 101
char = p;code = 112
char = e;code = 101
char = n;code = 110
char = d;code = 100
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = t;code = 116
char = h;code = 104
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 = o;code = 111
char = f;code = 102
char = ;code = 32
char = h;code = 104
char = y;code = 121
char = d;code = 100
char = r;code = 114
char = o;code = 111
char = p;code = 112
char = h;code = 104
char = i;code = 105
char = l;code = 108
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = f;code = 102
char = u;code = 117
char = n;code = 110
char = c;code = 99
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 = 32
char = g;code = 103
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char = ;code = 32
char = s;code = 115
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char = n;code = 110
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char = n;code = 110
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char = y;code = 121
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char = ;code = 32
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char = m;code = 109
char = ;code = 32
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char = y;code = 121
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char = r;code = 114
char = o;code = 111
char = g;code = 103
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char = n;code = 110
char = ;code = 32
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char = d;code = 100
char = s;code = 115
char = ;code = 32
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char = i;code = 105
char = t;code = 116
char = h;code = 104
char = ;code = 32
char = t;code = 116
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char = ;code = 32
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char = n;code = 110
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char = e;code = 101
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char = e;code = 101
char = ;code = 32
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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
char = w;code = 119
char = a;code = 97
char = s;code = 115
char = ;code = 32
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char = e;code = 101
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char = i;code = 105
char = n;code = 110
char = e;code = 101
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char = ;code = 32
char = b;code = 98
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char = ;code = 32
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char = t;code = 116
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char = c;code = 99
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char = i;code = 105
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char = n;code = 110
char = ;code = 32
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char = n;code = 110
char = d;code = 100
char = ;code = 32
char = n;code = 110
char = a;code = 97
char = t;code = 116
char = u;code = 117
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = d;code = 100
char = y;code = 121
char = e;code = 101
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result sql = This work investigated the sorption performance of the ethylenediamine modified starch (CAS) for the removal of acid dyes from aqueous solutions. The influence of pH on adsorption of acid orange 10 (AO10), acid green 25 (AG25) and amido black 10B (AB10B) was evaluated. The sorption kinetics, equilibrium uptake and desorption of the loaded dyes in sodium sulfate solution were studied. It was found that the interaction mechanism was based on electrostatic attraction and hydrogen bonding. The adsorption of AG25 and AB10B followed pseudo-second-order model, whereas AO10 followed both pseudo-first-order and pseudo-second-order models. The best isotherm was Langmuir equation and the capacities followed the sequence AB10B>AG25>AO10. The different behaviors of individual dyes adsorption on CAS were largely dependent on the number of hydrophilic functional groups, which had strong tendency to form hydrogen bonds with the biosorbent. Dye release in sodium sulfate solutions was determined by the salt concentration and nature of dyes.

Publication: J. Hazard. Mater. 2009 Dec 30 ;172(2-3)::1665-70. :doi: 10.1016/j.jhazmat.2009.08.041.
Publication Date: 2009 Dec 30
Study Author(s): Cheng, Rumei;Ou, Shengju;Li, Mengjie;Li, Yijiu;Xiang, Bo;
Institution: Department of Chemistry, Tongji University, Shanghai 200092, China.
Shortcut link to this study:
This work investigated the sorption performance of the ethylenediamine modified starch (CAS) for the removal of acid dyes from aqueous solutions. The influence of pH on adsorption of acid orange 10 (AO10), acid green 25 (AG25) and amido black 10B (AB10B) was evaluated. The sorption kinetics, equilibrium uptake and desorption of the loaded dyes in sodium sulfate solution were studied. It was found that the interaction mechanism was based on electrostatic attraction and hydrogen bonding. The adsorption of AG25 and AB10B followed pseudo-second-order model, whereas AO10 followed both pseudo-first-order and pseudo-second-order models. The best isotherm was Langmuir equation and the capacities followed the sequence AB10B>AG25>AO10. The different behaviors of individual dyes adsorption on CAS were largely dependent on the number of hydrophilic functional groups, which had strong tendency to form hydrogen bonds with the biosorbent. Dye release in sodium sulfate solutions was determined by the salt concentration and nature of dyes.
PMID: 19720452

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