Adsorption of Cr(Ⅵ) by Regenerable Chitin

Chinese Journal of Applied Chemistry ›› 1998, Vol. 0 ›› Issue (3): 109-111.

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Adsorption of Cr(Ⅵ) by Regenerable Chitin

Chen Bingren, Tang Youwen, Li Guoming, Wan Chunhua

Department of Chemistry, South China Normal University, Guangzhou 510631

Received:1997-08-19 Revised:1997-12-23 Published:1998-06-10 Online:1998-06-10

Abstract

Abstract: The influences of pH value and added salt of the system, as well as the active groups of the regenerable chitin on the adsorption of Cr(Ⅵ) by regenerable chitin have been investigated. The thermodynamic parameters in this exothermic adsorption process have been determined. The results indicated that the free amino groups on the surface of the regenerable chitin appeared the adsorption center.

Key words: regenerable chitin, preparation, Cr(Ⅵ), adsorption

Chen Bingren, Tang Youwen, Li Guoming, Wan Chunhua . Adsorption of Cr(Ⅵ) by Regenerable Chitin[J]. Chinese Journal of Applied Chemistry, 1998, 0(3): 109-111.

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Adsorption of Cr(Ⅵ) by Regenerable Chitin

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