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化学工业与工程
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��ѧ��ҵ�빤�� 2010, Vol. 27 Issue (5) :450-456    DOI:
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Progress in Bromine Extracting Technology
ZHANG  Hui-Feng, WANG  Guo-Qiang, CAI  Rong-Hua, LIU  Wei, YAO  Ying, GAO  Shu-Bao, ZHANG  Yu-Shan
Institute of Seawater Desalination and Multipurpose Utilization,State Oceanic Administration,Tianjin 300192,China

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Abstract�� During the past few years,the concentration of bromine in bromine-bearing resource in China is dropping quickly.However,air blow-out technique,as the main extracting bromine technology in China,has the disadvantages of high energy consumption and narrow temperature range of application,and it is not profitable if the concentration of bromine in feed is becoming lower.Hence,aiming at developing an extracting bromine technology with lower energy consumption and wide range of application,some novel techniques,such as ion exchange resin adsorption,gas membrane process,emulsion liquid membrane,agitated bulb membrane absorption and high gravity air stripping technology,are presented.In this paper,based on a brief analysis of current bromine production process including steaming-out technique and air blow-out technique,the progress in some novel bromine extracting technologies mentioned above are reviewed.The advantages and further study directions of these technologies are discussed.
Keywords�� extracting bromine   gas membrane   emulsion liquid membrane   ion-exchange resin   agitated bulb membrane absorption   high gravity     
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�Ż۷�, ����ǿ, ���ٻ�, ��ΰ, Ҧӱ, ���鱦, ����ɽ.���弼���о���չ��չ��[J].  ��ѧ��ҵ�빤��, 2010,27(5): 450-456
ZHANG Hui-Feng, WANG Guo-Qiang, CAI Rong-Hua, LIU Wei, YAO Ying, GAO Shu-Bao, ZHANG Yu-Shan.Progress in Bromine Extracting Technology[J].  Chemcial Industry and Engineering, 2010,27(5): 450-456
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