Research on Experiment and Technology of Emulsion Liquid Membrane Applied to H Acid Wastewater Treatment

Author:

Zhang Li1,Ding Yao1

Affiliation:

1. Wuhan Institute of Technology

Abstract

In this experiment, we use the removal rate of COD as index to optimize membrane composition and operating parameters formula by 3 stage countercurrent liquid membrane extraction and also study the influence of different water to emulsion Rew on COD removal rate .The experiments showed that Rew and the external phase pH have significant effects on the removal rate of COD and the total removal rate of COD reached 85.3% when Rew=1:1.0 under the condition of 3 stage countercurrent extraction.

Publisher

Trans Tech Publications, Ltd.

Subject

General Engineering

Reference5 articles.

1. Liu Longmao, Chen Jianlin, Gao Qiangli, et al. Catalytic oxidative treatment of wastewater containing H acid with chlorine dioxide. Industrial Catalysis, Vol. 17 No. 4(2009), p.71.

2. Pan Luting, Xiao Jing. Study on membrane composition and electric demulsification of liquid membrane treating paper mill black liquor. Membrane Science and Technology, Vol. 20 No. 6 (2000), p.13.

3. V. Serga, L. Kulikova and B. Purin. Extraction of Nickel by liquid membranes in an electric field. Separation Science & Technology, Vol. 35 No. 2 (2000), p.299.

4. G. Y. Ma, Y. L. Jiang, K. S. Chang. A general mass transfer model for liquid surfactant membranes. Chem. Eng. Sci., Vol. 52(1997), p.433.

5. Zhang Li, Lu Xiaohua. Emulsion liquid membrane applied to H acid wastewater treatment. Membrane Science and Technology, Vol. 27 No. 1(2007), p.85.

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