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Research on the Reutilization Technology of the Brine from Vinylidene Chloride Synthesis

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Abstract:

The brine from vinylidene chloride (VDC) synthesis contains high concentration of sodium chloride and halogenated hydrocarbons which are all volatile organic chemicals (VOCs). Based on the contaminations’ characteristics in the brine, an air-stripping process was firstly applied for removing most of the halogenated hydrocarbons in the brine, and then the H2O2/UV oxidation process was used for polishing treatment so that the treated brine could be reused as a raw material for a chloro-alkali process. The results showed the residual TOC after air-stripping could be effectively removed by H2O2/UV process, and the TOC level of the brine from VDC production could be decreased to less than 10 mg/L through combined air-stripping and H2O2/UV oxidation process, and than the treated brine could be reused as raw material for a chloro-alkali process.

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Periodical:

Advanced Materials Research (Volumes 610-613)

Pages:

2242-2245

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.610-613.2242

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Online since:

December 2012

Authors:

Guo Min Cao, Fang Hong, Mei Sheng, Xiao Dan Shuai, Lin Hu

Keywords:

Brine, Chloro-Alkali Process, H2O2/UV, Vinylidene Chloride

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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