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Dec.  2007
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LI Xingui, DOU Qiang, HUANG Meirong. The treatment of wastewater containing mercury ion by copolyaniline sorbent[J]. South China Fisheries Science, 2007, 3(6): 8-13.
Citation: LI Xingui, DOU Qiang, HUANG Meirong. The treatment of wastewater containing mercury ion by copolyaniline sorbent[J]. South China Fisheries Science, 2007, 3(6): 8-13.
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The treatment of wastewater containing mercury ion by copolyaniline sorbent

  • Key Laboratory of Advanced Civil Engineering Materials, School of Material Science and Engineering, Tongji University, Shanghai 200092, China

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  • Received Date: August 26, 2007
  • Revised Date: September 10, 2007
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    • Abstract

  • The adsorption properties of mercury ions onto a novel copolyaniline, which is modified by m-aminobenzenesulfonic acid via chemically oxidative polymerization, were studied in a batch system. It was found that the copolyaniline has shown an excellent absorbability for mercury ions. The removal efficiency of mercury ions from the wastewater was above 98.4% when mercury ion concentration was less than 750 mg·L-1. When mercury-ion concentration of wastewater was 1 980 mg·L-1, the adsorption capacity of 20 mg copolyaniline could reach as high as 1 113.6 mg·g-1. When mercury-ion concentration of wastewater was as low as 20 mg·L-1, a very high removal efficiency of 99.99% could be achieved. After treatment the residual mercury-ion solution can meet the national wastewater-discharging standard.

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    • References (14)
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