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Start Over Author "Liang Qiang" Journal advanced materials research
9 results on '"Liang Qiang"'

9. Adsorption to Cu2+ in Waste Water with Chitosan Intercalation Bentonite

Author

Li, Zeng Xin, Wang, Guo Ming, Liang, Qiang, and Wang, Xiao Feng

Abstract

The development of new water pollution control technology, particularly the development of high efficiency and low cost adsorbents is imperative. A compound adsorbent was prepared with the combination of chitosan and bentonite. Bentonite was added in chitosan slurry of 95% the degree of deacetylation to prepare adsorbent which mass ratio is 1:5. Its absorptivity toward Cu2+ was studied. The results show: the dosage of the adsorbent is 14 g/L,the mass concentration of Cu2+ in wastewater does not exceed 180 mg/L,the pH value range from 6 to7,the adsorption equilibrium time is about 9 h and Cu2+ removal efficiency is over 97%.The low cost of adsorbents can be used to control industrial waste water containing copper.

Published
2013
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