2008•Journal of Peanut ScienceRequires access

Study on the Adsorption of Heavy Metal with Modified Peanut Shell from Waste Water

Xin Jia

Abstract

The application and research of treated agricultural and forest residues for the removal of heavy metals from waste water are reviewed in this paper.Adsorption of Cr6+ by modified peanut shell was studied.The effects of pH value,initial Cr6+ concentration,adsorption time,temperature and peanut shell dosage on adsorption effect have been investigated.The results indicated that modified peanut shell had good adsorption to Cr6+.In condition of 33℃,1.0 g modified peanut shell,50 mL 20 mg·L-1 Cr6+ solution,the initial pH value,contact time 120 min,the adsorption rate of Cr6+ can be up to 98.4%.

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Key concepts: Adsorption, Shell (structure), Agricultural waste, Heavy metals, Chemistry, Metal, Nuclear chemistry, Inorganic chemistry