2008•Chemistry & BioengineeringRequires access

Study on Adsorption of Cr~(6+) in Water by Modified Peanut Shell

Xiang Zhao

Abstract

Adsorption of Cr6+ by modified peanut shell was studied.The effects of pH value,initial concentration of Cr6+,contact time,temperature and modified peanut shell dosage on adsorption had 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·L1 Cr6+ solution,the initial pH value 2.0 and contact time 120 min,the adsorption rate of Cr6+ could be up to 98.4%.

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Key concepts: Chemistry, Adsorption, Shell (structure), Nuclear chemistry, Organic chemistry, Composite material, Materials science