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›› 2006, Vol. 6 ›› Issue (2): 197-200.

• 反应与分离 • 上一篇    下一篇

Removal of Phosphate from Aqueous Solution with Modified Bentonite

唐艳葵,童张法,魏光涛,李仲民,梁达文   

  1. 广西大学化学化工学院
  • 出版日期:2006-04-20 发布日期:2006-04-20

Removal of Phosphate from Aqueous Solution with Modified Bentonite

TANG Yan-kui,TONG Zhang-fa,WEI Guang-tao,LI Zhong-min,LIANG Da-wen   

  1. School of Chemistry and Chemical Engineering, Guangxi University
  • Online:2006-04-20 Published:2006-04-20

摘要: Bentonite combined with sawdust and other metallic compounds was used to remove phosphate from aqueous solutions in this study. The adsorption characteristics of phosphate on the modified bentonite were investigated, including the effects of temperature, adsorbent dosage, initial concentration of phosphate and pH on removal of phosphate by conducting a series of batch adsorption experiments. The results showed that 98% removal rate of phosphate was obtained since sawdust and bentonite used in this investigation were abundantly and locally available. It is concluded that modified bentonite is a relatively efficient, low cost and easily available adsorbent for the removal of phosphate from aqueous solutions.

关键词: adsorption, phosphate, sawdust, bentonite

Abstract: Bentonite combined with sawdust and other metallic compounds was used to remove phosphate from aqueous solutions in this study. The adsorption characteristics of phosphate on the modified bentonite were investigated, including the effects of temperature, adsorbent dosage, initial concentration of phosphate and pH on removal of phosphate by conducting a series of batch adsorption experiments. The results showed that 98% removal rate of phosphate was obtained since sawdust and bentonite used in this investigation were abundantly and locally available. It is concluded that modified bentonite is a relatively efficient, low cost and easily available adsorbent for the removal of phosphate from aqueous solutions.

Key words: adsorption, phosphate, sawdust, bentonite