膜科学与技术

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Paraquat wastewater treatment by the membrane-based nanofiltra- tion and reverse osmosis processes

Authors：

ZHANG Qin-ku1, LIU Kang-huai2

Units： 1. Department of Building Engineering, Yulin University, Yulin ,719000 2. College of Environmental Science and Engineering, Guilin University of Technology, Guilin 541004

KeyWords： membrane flux; ammonia; NF; RO

ClassificationCode：X705

year,volume(issue):pagination： 2014,34(4):94-98

Abstract：

In this study, we used Nano-filtration(NF) and Reverse Osmosis(RO) membrane to isolate ammonia from the paraquat production wastewater and analyzed the factors which affect the membrane separation performance, such as membrane flux, operating pressure, feed concentration and pH, temperature. The results showed that the removal rate of ammonia were 37% and 65% when the NF and RO were run in the best condition. The wastewater can reach the discharge standards and the enterprise can satisfy the requirement of cleaner production level if we make further processing.

Funds：

西部开发重大项目(2003BA901A07)；榆林学院高层次人才科研启动基金（11GK40）

AuthorIntro：

张钦库（1983～），男，山东菏泽市，博士生，讲师，主要研究方向为污水处理理论与技术，E-mail：zhangqk24@163.com

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