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Study of concentrated seawater flue gas desulphurization by membrane absorption

Authors： CUI ZHENDONG 1, HOU CHUNYANG 1,2, CHEN YING 2, GUAN YIPENG 2

Units： 1.College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao,266003, China; 2. The Institute of Seawater Desalination and Multipurpose Utilization, SOA, Tianjin, 300192, China

KeyWords： concentrated seawater; desulphurization; hydrophobic polypropylene; hollow fiber membrane contactor;

ClassificationCode：TQ028.8 X701.3

year,volume(issue):pagination： 2011,31(1):84-88

Abstract：

Removal of SO2 from simulated flue gas was studied in a hydrophobic polypropylene hollow fiber contactor, using concentrated seawater and seawater as absorbents. The effects of various factors such as flux of absorbents, flux and concentration of gas mixtures, pressure drop between gas and liquid on desulfurizing efficiency were investigated. The results showed that concentrated seawater has a large capacity and high efficiency rate of desulphurization compared to seawater. The desulfurizing efficiency with concentrated seawater was twice as seawater at the same condition( absorbents flux 10L•h-1 ,gas flux 1000 L•h-1). Membrane contactor can maintain the repeated operation steadily with high salinity, alkalinity and high turbidity concentrated seawater, and have some industrialized application prospect.

Funds：

国家海洋公益性行业科研专项经费项目(200805033)

AuthorIntro：

崔振东(1984-),男,山西忻州人,硕士研究生,研究方向:海洋资源利用和保护化学,E-mail:cui_zd@sohu.com ※通讯联系人:E-mail:chy786@tom.com

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