含铜黄连素废水的铁碳微电解预处理及铜回收研究

肖宏康; 肖书虎; 宋永会; 曾萍; 邵红; 张国芳; 李辉

doi:10.3969/j.issn.1674-991X.2011.01.003

含铜黄连素废水的铁碳微电解预处理及铜回收研究

doi: 10.3969/j.issn.1674-991X.2011.01.003

肖宏康^1.2,
肖书虎¹,
宋永会^1*,,
曾萍¹,
邵红²,
张国芳^1,2,
李辉²

1.
中国环境科学研究院城市水环境研究室
2.
沈阳化工大学环境与生物工程学院

详细信息

通讯作者:
宋永会，男，研究员，博士，主要从事水污染控制技术研究

中图分类号: X787
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出版历程
- 收稿日期: 2010-09-25
- 修回日期: 2010-11-15
- 刊出日期: 2011-01-20

Study on the Pretreatment and Copper Recovery from Berberine Wastewater Containing Copper by Fe-C Micro-electrolysis

1.
Department of Urban Water Environmental Research, Chinese Research Academy of Environmental Sciences
2.
College of Environmental and Biological Engineering, Shenyang University of Chemical Technology

More Information

Corresponding author: SONG Yong-hui

摘要

摘要: 利用铁碳微电解技术对含铜黄连素制药废水进行预处理，通过单因素试验确定了反应时间，铁粉和废碳投加量，pH等因素对处理效果的影响，并设计了回收金属铜的工艺流程。结果表明：采用铁碳微电解工艺处理初始Cu²⁺浓度约为20 000 mg/L，黄连素浓度为1 700～1 900 mg/L的含铜黄连素制药废水，当废水pH为2.0～3.0，铁粉和废碳投加量分别为25和30 g/L，反应90 min后，黄连素的去除率达70%以上，Cu²⁺的去除率高达99.9%以上，出水中Cu²⁺浓度低于20 mg/L，处理每t水可回收18～19 kg铜，可实现金属铜的循环利用。
- 铁碳微电解 /
- 含铜废水 /
- 黄连素 /
- 预处理
Abstract: Fe-C micro-electrolysis was applied to perform pretreatment of berberine pharmaceutical wastewater containing high concentration of Cu²⁺. The effects of reaction time, iron/carbon dosages and initial pH on the pretreatment results were investigated by single factor experiments, and the process of copper recovery was designed. The results showed that while treating the wastewater with initial concentration of Cu²⁺ 20 000 mg/L and berberine content of 1 700-1 900 mg/L, the berberine removal efficiency was above 70% and copper removal efficiency reached 99.9% with less than 20 mg/L Cu²⁺ remaining in the effluent and 18-19 kilograms of copper could be recovered by treatment one ton of such wastewater, under the optimized conditions of pH 2.0-3.0, reaction time 90min and the dosages of iron and carbon 25 and 30 g/L, respectively. The process was easily controlled and effective. It has laid foundation for larger scale treatment of berberine wastewater containing high concentration of Cu²⁺.
- Fe-C micro-electrolysis /
- copper-containing wastewater /
- berberine /
- pretreatment

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