[1]唐文伟,桂文池,曾新平.聚硫酸铁铝制备改进及其处理重金属废水[J].深圳大学学报理工版,2011,28(No.3(189-282)):276-282.
　TANG Wen-wei,GUI Wen-chi,and ZENG Xin-ping.Improvement of preparation of PFAS and its effect on treating heavy metal in wastewater[J].Journal of Shenzhen University Science and Engineering,2011,28(No.3(189-282)):276-282.
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聚硫酸铁铝制备改进及其处理重金属废水()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第28卷
期数:
2011年No.3(189-282)
页码:
276-282
栏目:
环境与能源
出版日期:
2011-05-20

文章信息/Info

Title:
Improvement of preparation of PFAS and its effect on treating heavy metal in wastewater
文章编号:
1000-2618(2011)03-0276-07
作者:
 唐文伟1; 桂文池1; 曾新平2
1)同济大学化学系，上海 200092
2)同济大学生命科学与技术学院，上海 200092
Author(s):
TANG Wen-wei1; GUI Wen-chi1; and ZENG Xin-ping2
1)Department of Chemistry, Tongji University, Shanghai 200092, P．R．China
2)School of Life Sciences and Technology, Tongji University, Shanghai 200092, P．R．China
关键词:
应用化学; 废水处理; 聚合硫酸铁铝; 铁铝分布; 絮凝剂; 正交试验; 重金属
Keywords:
applied chemistry; waste water treatment; polyferric-aluminum sulfate（PFAS）; distribution of Fe and Al species; flocculation; orthogonal test; heavy metals
分类号:
TN 223
文献标志码:
A
摘要:
以亚铁盐和硫酸铝为原料，采用先氧化后水解聚合方式制备4种固体聚合硫酸铁铝（polyferric-aluminum sulfate，PFAS）.考察其表观状态、铁铝形态分布及其对重金属废水的处理效果，确定其优化制备方法及分子式.通过正交试验确定最适处理条件：PFAS和聚丙烯酰胺（polyacrylamide，PAM）的投量分别为200 mg/L和2.0 mg/L．pH值是影响PFAS处理效果的主要因素，在最适pH值下，PFAS处理含Cu2+、Ni2+和Cr（Ⅵ）的单一或混合废水时，对Cu2+和Ni2+的去除率分别达到99.89%和99.72%，其残留质量浓度均达排放标准，Cu2+和Ni2+的共沉淀有利于去除Cr(Ⅵ).
Abstract:
 Taking FeSO4 and Al2(SO4)3 as the raw materials，we prepared four types of solid polyferric-aluminum sulfate (PFAS) by oxidation and hydrolytic polymerization．We studied the surface morphology，the distribution of Fe and Al species and its removal rate of heavy metal，so as to confirm the preparation of PFAS and its formula．In this preparation method，PFAS had the security，stability and efficient flocculating ability．Orthogonal experimental method was used to determine the optimal preparation conditions：the dosage of PFAS and polyacrylamide (PAM) were 200 mg/L and 2.0 mg/L，respectively．pH was the major influential factor of PFAS on treatment of heavy metals．In the treatment of the single and the mixed heavy metal wastewater (Cu2+，Ni2+ and Cr（Ⅵ）) under optimal pH values，the removal rates of Cu2+ and Ni2+ were 99.89% and 99.72%，respectively．The residual concentration could reach the effluent standard．The coprecipitation of Cu2+ and Ni2+ was in favor of the removal of Cr(Ⅵ).

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备注/Memo

备注/Memo:
收稿日期：2010-11-29；修回日期：2011-02-16
基金项目：上海市科委自然科学基金资助项目 (10ZR1432500)
作者简介：唐文伟（1968-），男（汉族），湖南省邵东县人，同济大学副教授、博士．E-mail：tangww@tongji.edu.cn
通讯作者：曾新平（1969-），女（汉族），同济大学高级工程师、博士．E-mail：zengxp@tongji.edu.cn
更新日期/Last Update: 2011-05-23