Extraction of m-β-Hydroxyethylsulfonyl Aniline from Reactive Dye Wastewater

Jun Feng Hua; Zai Qing Sun; Yan Fei Wei; Mei Huang

doi:10.4028/www.scientific.net/AMM.161.181

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 161Extraction of m-β-Hydroxyethylsulfonyl Aniline...

Extraction of m-β-Hydroxyethylsulfonyl Aniline from Reactive Dye Wastewater

Abstract:

m-β-hydroxyethylsulfonyl aniline is one of the important reactants in synthesizing reactive black KNB. In order to recovery m-β-hydroxyehylsulfonyl aniline from reactive dye wastewater, two separation units including tributyl phosphate/petroleum ether extraction and sodium hydroxide solution stripping were studied. It is found that the single stage extraction rate was 85% when extraction phase ratio of organic to aqueous phase (O/A) was 2:1, while the single stripping rate was higher than 50% when 0.5M sodium hydroxide solution was selected and the stripping phase ratio of aqueous to organic phase (A/O) was 2:1.

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Periodical:

Applied Mechanics and Materials (Volume 161)

Pages:

181-184

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.161.181

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Online since:

March 2012

Authors:

Jun Feng Hua, Zai Qing Sun, Yan Fei Wei, Mei Huang

Keywords:

Extraction, m-β-Hydroxyethylsulfonyl Aniline, Reactive Dye Wastewater, Tributyl Phosphate/Petroleum Ether

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