·1366· 工程科学学报，第38卷，第10期 表2不同H值条件下十二烷基磺酸钠吸附过程的动力学拟合参数及拟合度数据 Table 2 Kinetic fitting parameters and fitting degree of the SDS adsorption process at different pH values 准一级动力学模型 准二级动力学模型 Elovich模型 Bangham孔道扩散模型 pH R2 R2 a R2 k m R2 0.2984151.990.99010.0028173.800.9689 166.020.02930.906171.04 3.790.8364 0.4596141.800.98690.0049156.000.9192771.280.04220.774184.45 5.48 0.6850 6 0.5231 98.800.98430.0066108.400.9783197.500.05140.922248.82 3.98 0.8488 9 0.793932.600.9676 0.0427 34.740.74811068.800.25010.545023.63 8.13 0.4785 10 0.269291.000.9378 0.0034104.960.9684 79.910.00460.9638 39.03 3.42 0.9636 10(Stcp1)0.0172 189.500.9378 0.0031 110.000.9900 79.000.05170.8404 23.78 1.07 0.9647 10(Stcp2)0.2445 92.00 0.8129 0.0032 105.00 0.9341 121.520.0524 0.9824 46.45 4.35 0.9835 11 0.2369 276.40 0.9460 0.0009 320.79 0.9748 207.730.0150 0.9792 113.57 3.37 0.9394 11(Step1)0.2898 276.240.9664 0.0005 408.00 0.9975 91.650.0065 0.9861 73.43 1.48 0.9718 11(Stcp2)0.1820285.000.8643 0.0008 330.670.9590 359.660.01770.9923137.44 4.34 0.9972 0.8 12 (a) (b) 0.6 0.9 0.4 0.6 0.2 ￥花之” 0.3 -10 6 -8 -10 △Hz Af7Hz 1.5 12 (c) 1.2 0.9 0.9 4 0.6 0.6 0.3 0.3 1 0 -1 -2 -3 -4 -5 -0.5 -1.0 -15 -2.0 -2.5 △Hz △Hz 1.8 35 (e) ) 1.5 2.8 1,2 2.1 1.4 0.6 0.3 07 -1 -2-34 -5 -24-6-8-10-12-14-16-18 △7Hz △w7IHz 图7不同pH值条件下体系的△-AD图.(a)pH3:(b)pH4:(c)pH6:(d)pH9:(e)pH10:(DpH11 Fig.7 Diagram of Af-AD at different pH values:(a)pH3:(b)pH 4:(c)pH6:(d)pH 9:(e)pH 10:(f)pH 11工程科学学报，第 38 卷，第 10 期 表 2 不同 pH 值条件下十二烷基磺酸钠吸附过程的动力学拟合参数及拟合度数据 Table 2 Kinetic fitting parameters and fitting degree of the SDS adsorption process at different pH values pH 准一级动力学模型 准二级动力学模型 Elovich 模型 Bangham 孔道扩散模型 k1 qe Ｒ2 k2 qe Ｒ2 α β Ｒ2 k m Ｒ2 3 0. 2984 151. 99 0. 9901 0. 0028 173. 80 0. 9689 166. 02 0. 0293 0. 9061 71. 04 3. 79 0. 8364 4 0. 4596 141. 80 0. 9869 0. 0049 156. 00 0. 9192 771. 28 0. 0422 0. 7741 84. 45 5. 48 0. 6850 6 0. 5231 98. 80 0. 9843 0. 0066 108. 40 0. 9783 197. 50 0. 0514 0. 9222 48. 82 3. 98 0. 8488 9 0. 7939 32. 60 0. 9676 0. 0427 34. 74 0. 7481 1068. 80 0. 2501 0. 5450 23. 63 8. 13 0. 4785 10 0. 2692 91. 00 0. 9378 0. 0034 104. 96 0. 9684 79. 91 0. 0046 0. 9638 39. 03 3. 42 0. 9636 10 ( Step 1) 0. 0172 189. 50 0. 9378 0. 0031 110. 00 0. 9900 79. 00 0. 0517 0. 8404 23. 78 1. 07 0. 9647 10 ( Step 2) 0. 2445 92. 00 0. 8129 0. 0032 105. 00 0. 9341 121. 52 0. 0524 0. 9824 46. 45 4. 35 0. 9835 11 0. 2369 276. 40 0. 9460 0. 0009 320. 79 0. 9748 207. 73 0. 0150 0. 9792 113. 57 3. 37 0. 9394 11 ( Step 1) 0. 2898 276. 24 0. 9664 0. 0005 408. 00 0. 9975 91. 65 0. 0065 0. 9861 73. 43 1. 48 0. 9718 11 ( Step 2) 0. 1820 285. 00 0. 8643 0. 0008 330. 67 0. 9590 359. 66 0. 0177 0. 9923 137. 44 4. 34 0. 9972 图 7 不同 pH 值条件下体系的 Δf--ΔD 图． ( a) pH 3; ( b) pH 4; ( c) pH 6; ( d) pH 9; ( e) pH 10; ( f) pH 11 Fig． 7 Diagram of Δf--ΔD at different pH values: ( a) pH 3; ( b) pH 4; ( c) pH 6; ( d) pH 9; ( e) pH 10; ( f) pH 11 · 6631 ·