| Al_b形态处理模拟染料废水的效果及机制研究 |
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| 引用本文： | 许伟颖,高宝玉,王燕,徐秀明,岳钦艳.Al_b形态处理模拟染料废水的效果及机制研究[J].环境科学,2010,31(1):117-123. |
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| 作者姓名： | 许伟颖 高宝玉 王燕 徐秀明 岳钦艳 |
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| 作者单位： | 山东大学环境科学与工程学院;山东大学化学与化工学院; |
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| 基金项目： | 国家自然科学基金项目(50678095);;“十一五”国家科技支撑计划重点项目(2006BAJ06B05) |
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| 摘 要： | 采用乙醇-丙酮混合沉淀法分离聚合氯化铝(PAC)溶液中的Alb形态.通过对吸光度和Zeta电位的测定,研究了Alb形态的投加量和溶液pH对分散黄棕和直接紫2种模拟染料废水脱色效果的影响,并将其与PAC进行比较.利用光散射颗粒分析仪(PDA2000)和Mastersizer2000型激光粒度仪在线测定絮体粒径的变化情况,结合絮体的Zeta电位,对Alb形态的絮凝机制进行探讨.结果表明,与PAC比较,Alb形态处理模拟染料废水的最佳pH值范围较宽,在实验条件下,Alb形态形成的絮体的密实性较高,沉降性能较好,恢复能力较强.
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| 关 键 词： | 聚合氯化铝 Alb形态 染料废水 絮凝机制 絮凝动力学 |
| 收稿时间： | 2009/2/21 0:00:00 |
| 修稿时间： | 2009/4/19 0:00:00 |
Coagulation Performance and Mechanism of Alb Species in Treating Simulative Dye Wastewater |
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| XU Wei-ying,GAO Bao-yu,WANG Yan,XU Xiu-ming and YUE Qin-yan.Coagulation Performance and Mechanism of Alb Species in Treating Simulative Dye Wastewater[J].Chinese Journal of Environmental Science,2010,31(1):117-123. |
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| Authors: | XU Wei-ying GAO Bao-yu WANG Yan XU Xiu-ming and YUE Qin-yan |
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| Institution: | 1.School of Environmental Science and Engineering;Shandong University;Ji'nan 250100;China;2.School of Chemistry and Chemical Engineering;China |
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| Abstract: | Al_b species was obtained from polyaluminum chloride(PAC) using ethanol-acetone mixed precipitation method.Al_b and PAC were comparatively investigated in terms of color removal and zeta potential under different coagulant dosage and solution pH in the treatment of dispersive yellow and direct purple simulative dyeing wastewater.The changes of floc size of Al_b and PAC were analyzed with PDA2000 and Mastersizer2000,and the coagulation mechanisms were also investigated.Compared with PAC,Al_b species can work... |
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| Keywords: | polyaluminium chloride Al_b species dyeing wastewater coagulation mechanism coagulation kinetics |
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