Synthesis and characterization of composite flocculant PAFS-CPAM by response surface methodology

ZHU Junren; ZHENG Huaili; ZHANG Zhi; JIANG Zhenzhen; GUAN Qingqing; TAN Mingzhuo; DAI Li; CHEN Wei

doi:10.3969/j.issn.0438-1157.2012.12.040

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Synthesis and characterization of composite flocculant PAFS-CPAM by response surface methodology

更新时间：2025-12-10

- Synthesis and characterization of composite flocculant PAFS-CPAM by response surface methodology
- CIESC Journal Issue 12, Pages: 4019-4027(2012)
- 作者机构：
  
  1. 重庆大学教育部三峡库区生态环境重点实验室,重庆,400045
  2. 江门慧信环保股份有限公司,广东,江门,529000
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0438-1157.2012.12.040
  CLC： Q316X703.5
- Online First：04 September 2012，
  
  Published：04 September 2012
- 稿件说明：
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ZHU Junren, ZHENG Huaili, ZHANG Zhi, et al. Synthesis and characterization of composite flocculant PAFS-CPAM by response surface methodology[J]. CIESC Journal, 2012, (12): 4019-4027.
DOI：

ZHU Junren, ZHENG Huaili, ZHANG Zhi, et al. Synthesis and characterization of composite flocculant PAFS-CPAM by response surface methodology[J]. CIESC Journal, 2012, (12): 4019-4027. DOI： 10.3969/j.issn.0438-1157.2012.12.040.

摘要

以聚合硫酸铝铁(PAFS)与阳离子聚丙烯酰胺(CPAM)为原料

制备PAFS-CPAM复合混凝剂。通过Ferron法对产物的铁铝形态分布进行定量分析

用扫描电镜对产物的结构进行表征。采用响应面分析法通过建立CODCr去除率与各因素之间的Box-Behnken数学模型

对复合PAFS-CPAM的工艺进行优化。PFAS/CPAM最优制备工艺条件为:反应温度、反应时间和Fe/CPAM质量比分别为61℃、74 min、28。在最佳投加量50 mg·L-1条件下

优化制备的PAFS-CPAM对生活污水CODCr去除率、浊度去除率分别达80.86%、97.50%。

Abstract

The composite flocculant was prepared by polymerizing CPAM(a cationic flocculant P:acrylamide-methacryloxyethyltrimethyl ammonium chloride-acryloxyethyltrimethyl ammonium chloride)and PFAS(polymeric aluminum ferric sulfate).The morphological distribution of Fe and Al was studied by using Ferron analysis

and the morphology of the copolymer was observed using scan electron microscopy.The Box-Behnken mathematical relational model between CODCr removal rate and affecting factors was established

and the technique composing PAFS-CPAM was optimized.The optimum synthesis conditions were: react temperature 61℃

react time 74 min

and Fe/CPAM mass ratio 28

respectively.At these optimized conditions and using 50 mg·L-1 PAFS-CPAM flocculant prepared

CODCr removal and turbidity removal rates were 80.86% and 97.50%

respectively.

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