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  • 标题:Kigelia africana Fruit Carbon as a Low Cost Adsorbent for Removal of Copper(II) Ions from Aqueous Solution
  • 本地全文:下载
  • 作者:Harminder Kaur ; Radhe Shyam ; R. Amutha
  • 期刊名称:Nature, Environment and Pollution Technology
  • 印刷版ISSN:0972-6268
  • 出版年度:2011
  • 卷号:10
  • 期号:3
  • 页码:419-422
  • 语种:English
  • 出版社:Technoscience Publications
  • 摘要:Fruit of Kigelia africana tree is cylindrical and weigh approximately 2.5 kg. A mature tree produces hundreds of fruits every year but not used for any purpose, and hence a waste material in this region. Heating dried fruit powder with 1:1 sulphuric acid at 110°C for 24 h has resulted in carbonaceous material which showed marked adsorption properties. Copper(II) adsorption capacity of this Kigelia africana fruit powder carbon material (KAFP) was found to be 21.74 mg/L and almost 90% removal was achieved by treating 100 mg of adsorbent material in 100 mL (10 mg/L) of Cu(II) solution. Adsorption data fitted well into Langmuir adsorption isotherm equation. Metal uptake was maximum at pH 7 and almost negligible at much lower pH values.
  • 关键词:Kigelia africana fruit carbon; Copper adsorption; Langmuir adsorption; isotherm
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