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WANG Xiao-qiang, LI Ping-chuan, LENG Yang-chun, TUO Xian-guo, SU Ji-long, YUE Ping. Effect of pH to Adsorption Behavior of Pu on Bentonite in Aqueous Environment[J]. Atomic Energy Science and Technology, 2013, 47(4): 523-528. DOI: 10.7538/yzk.2013.47.04.0523
Citation: WANG Xiao-qiang, LI Ping-chuan, LENG Yang-chun, TUO Xian-guo, SU Ji-long, YUE Ping. Effect of pH to Adsorption Behavior of Pu on Bentonite in Aqueous Environment[J]. Atomic Energy Science and Technology, 2013, 47(4): 523-528. DOI: 10.7538/yzk.2013.47.04.0523
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Effect of pH to Adsorption Behavior of Pu on Bentonite in Aqueous Environment

  • 1.

    College of Nuclear Technology and Automation Engineering, Chengdu University of Technology, Chengdu 610059, China

  • 2.

    Sichuan Environmental Protection Engineering Co., Ltd., China National Nuclear Corporation, Guangyuan 610006, China

  • 3.

    Laboratory of National Defense for Radioactive Waste and Environmental Security, Southwest University of Science and Technology, Mianyang 621010, China

  • 4.

    State Key Laboratory of Geoharzard Prevention and Geoenvironment Protection, Chengdu University of Technology, Chengdu 610059, China

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    • Abstract
  • The effects of pH to the adsorption behavior of Pu in GMZ-bentonite, Lingshou Ca-bentonite, Na-bentonite and bleaching earth were tested by static adsorption experiments in aqueous environment. The results show that the adsorption equilibrium time of Pu is four days in GMZ-bentonite and 5-6 days in bleaching earth, Ca-bentonite and Na-bentonite. In aqueous environment, the adsorption capacity of bentonite to Pu increases with pH in water phase, and it is weak in acidic aqueous environment and strong in alkaline aqueous environment extremely.
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    • References (10)
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