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YANG Yuan you 1, LIU Ning 1, LUO Shun zhong 2, ZHANG Tai ming 2, JIN Jian nan 1, LIAO Jia li 1 (1 Key Laboratory of Radiation Physics and Technology of Education Ministry of China, Institute of Nuclear Science and Technology, Sichuan University, Chengdu 610064, China; 2.Institute of. Biosorption of ~(241)Am by Microorganism[J]. Atomic Energy Science and Technology, 2002, 36(3): 222-222. DOI: 10.7538/yzk.2002.36.03.0222
Citation: YANG Yuan you 1, LIU Ning 1, LUO Shun zhong 2, ZHANG Tai ming 2, JIN Jian nan 1, LIAO Jia li 1 (1 Key Laboratory of Radiation Physics and Technology of Education Ministry of China, Institute of Nuclear Science and Technology, Sichuan University, Chengdu 610064, China; 2.Institute of. Biosorption of ~(241)Am by Microorganism[J]. Atomic Energy Science and Technology, 2002, 36(3): 222-222. DOI: 10.7538/yzk.2002.36.03.0222
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  • The biosorption of 241 Am on A.niger, R.arrihizus and Candida albicams from aqueous solution, and the effects of the experimental conditions on the biosorption are investigated by the batch technique. The experimental results show that all the microorganism above are very efficient as the sorbent. The biosorption equilibrium time is 2 h and the optimum pH ranges 1～3. No significant differences on 241 Am biosorption are observed at the temperature of 15～45 ℃, or in the presence and absence of Au 3+ or Ag +. The relationship between concentrations of 241 Am in aqueous solutions and adsorption capacities of 241 Am can be described by the Freundlich adsorption equation on A. niger and R.arrihizus,whileas it can be done by the Langmuir adsorption equation on Candida albicams.
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