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Study on the preparation of cross-linking amidoxime fiber and its adsorption properties of gallium in Bayer liquor
Fibrous adsorbent functionalized with amidoxime group has been recognized as the most potentially adsorbing material for recovering gallium from Bayer liquors, but the practical process has not been so attractive owing to the performance decreasing in strongly alkaline conditions. The purpose of this research aims to enhance the Ga/V selectivity and efficiency of extraction and retai...
http://www.polymer.cnt//ss/zouhuawei/publicationsshow_13775.html

Cross-linked polyvinyl amidoxime fiber: a highly selective and recyclable adsorbent of gallium from Bayer liquor
ABSTRACT: Gallium, a scarce metal produced mainly from Bayer liquor, is widely used in semiconductors. Ion-exchange method is currently considered as the most effective method to recover gallium from Bayer liquor. In this article, fibrous amidoxime adsorbents are introduced to recover gallium from Bayer liquor. In addition, hydrazine cross-linked polyvinyl amidoxime (HPAO) fibers have been prepa...
http://www.polymer.cnt//ss/zouhuawei/publicationsshow_13560.html

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