Application of acylated weak base resin for treatment of highly chromium-containing wastewater

CAO Feiting; LIU Xiaoning; LI Xiang; WEI Rongqing; LIU Tao; CHEN Xiao; ZHANG Limin; XIA Mingfang

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Application of acylated weak base resin for treatment of highly chromium-containing wastewater

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- Application of acylated weak base resin for treatment of highly chromium-containing wastewater
- CIESC Journal Issue 8, Pages: 2074-2079(2009)
- 作者机构：
  
  1. 南京工业大学生物与制药工程学院,江苏,南京,210009
  2. 南京麦科菲高效分离载体有限公司,江苏,南京,211000
  3. 江苏省环境科学研究院,江苏,南京,210029
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：05 August 2009，
  
  Published：05 August 2009
- 稿件说明：
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CAO Feiting, LIU Xiaoning, LI Xiang, et al. Application of acylated weak base resin for treatment of highly chromium-containing wastewater[J]. CIESC Journal, 2009, (8): 2074-2079.
DOI：

CAO Feiting, LIU Xiaoning, LI Xiang, et al. Application of acylated weak base resin for treatment of highly chromium-containing wastewater[J]. CIESC Journal, 2009, (8): 2074-2079. DOI：

摘要

研究了酰基化叔胺型弱碱性树脂对高浓度含铬废水的动态处理。建立了一套树脂吸附和梯度解吸工艺。叔胺型弱碱性树脂经酸洗活化后树脂的离子交换吸附性能改善明显。采用洗脱液梯度循环套用，使得高浓度的含铬废水浓缩约6倍，不仅废液可达标排放，且可实现资源回收，同时对原料树脂和重复使用的树脂进行红外和元素分析，结果表明其树脂结构和性能稳定。

Abstract

Acylated weak base resin was used to the treatment of highly chromium-containing wastewater.A set of technology about resin adsorption and gradient desorption was established.The ion-exchange ability of the acylated weak base resin could be improved obviously by acid pickling.The application of gradient desorption made the concentration of chromium enriched for 6 times.With these techniques

the treated wastewater could meet the regulation for draining

and also the waste chromium resource could be recovered.IR and elemental analysis of the fresh and recovered resin samples indicated that the resin structure and efficiency are stable.

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