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Study on Adsorbing Chromium(Ⅵ) and Cadmium(Ⅱ) Ions Coexisting in Water Body by Aureobacidium Pullulans

ZHANG Yu-ling１，ZHANG Lan-ying１，WANG Xian-sheng１，WANG Xiao-hui2,GAO Song1   

  1. 1.College of Enviroment and Resources,Jilin University,Changchun 130026,China;2.Inner Mongolia University for Nationalities,Tongliao 028000,China
  • Received:2004-08-16 Revised:1900-01-01 Online:2005-05-26 Published:2005-05-26
  • Contact: ZHANG Yu-ling

Abstract: The authors focuse on the experiment taking advantage of Aureobacidium pullulans to adsorb chromium(Ⅵ) and cadmium(Ⅱ) ions coexisting in water body. The bacteria culture grows well under the condition that the toxicity concentrations of chromium(Ⅵ) and cadmium(Ⅱ) ions are 300 mg/L, respectively. The adsorptive experiment illustrates that the adsorption quantity of chromium(Ⅵ) is 8.575 mg/g on the optimum condition that pH is 3, adsorption time is 2 h and the temperature is 30℃; The adsorption quantity of cadmium(Ⅱ) is 15.49 mg/g on the optimum condition that pH is 5, adsorption time is 30 min and the temperature is 30℃.

Key words: Aureobacidium pullulans, Cr（Ⅵ）, Cd（Ⅱ）, adsorption

CLC Number: 

  • X703
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