| 花生壳吸附溶液中铀的研究 |
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| 引用本文： | 李小燕,刘义保,花明,高柏. 花生壳吸附溶液中铀的研究[J]. 水处理技术, 2012, 38(3): 38-40,44 |
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| 作者姓名： | 李小燕 刘义保 花明 高柏 |
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| 作者单位： | 1. 中国原子能科学研究院,北京102413;东华理工大学核资源与环境省部共建国家重点实验室培育基地,江西南昌330013
2. 东华理工大学核资源与环境省部共建国家重点实验室培育基地,江西南昌,330013 |
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| 基金项目： | 核资源与环境省部共建国家重点实验室培育基地开资助项目，国家自然基金项目，放射性地质勘探与技术国防重点学科实验室项目 |
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| 摘 要： | 以废弃物花生壳为吸附剂来吸附水溶液中的铀,研究了花生壳加入量、溶液pH、铀初始质量浓度以及吸附时间等因素对铀吸附效果的影响。结果表明,花生壳对铀具有较好的吸附效果,当pH=4.0、花生壳用量为4 g.L-1、粒径为0.15～0.3 mm、铀初始质量浓度为30 mg.L-1、吸附时间为2.0 h时,铀的去除率达到了97.8%。等温吸附研究表明,花生壳对铀的吸附行为更符合Langmuir等温吸附方程,说明花生壳对铀的吸附是以单分子层吸附(化学吸附)为主,通过拟合得出最大吸附量为5.05 mg.g-1。
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| 关 键 词： | 花生壳 铀 吸附 去除率 |
STUDY ON ADSORPTION OF URANIUM IN AQUEOUS SOLUTION BY PEANUT SHELLS |
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| Li Xiaoyan , Liu Yibao , Hua Ming , Gao bo. STUDY ON ADSORPTION OF URANIUM IN AQUEOUS SOLUTION BY PEANUT SHELLS[J]. Technology of Water Treatment, 2012, 38(3): 38-40,44 |
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| Authors: | Li Xiaoyan Liu Yibao Hua Ming Gao bo |
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| Affiliation: | 1.China Institute of Atomic Energy,Beijing 102413,China;2.State Key Laboratory Breeding Base of Nuclear Resources and Environment,East China Institute of Technology,Nanchang 330013,China) |
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| Abstract: | Uranium in aqueous solution was adsorbed using waste peanut shells,the paper studied the adsorption effect of the dosage of adsorbent,pH value,initial concentration of uranium and adsorption time on uranium.The results showed that: the peanut shells had better adsorption effect on uranium,When pH was 4.0,the initial concentration of uranium was 30 mg·L-1,the dosage of adsorbent was 4 g·L-1 and the adsorption time was 2.0 h,the removal reached 97.8%.The isothermal adsorption study showed that the adsorption behavior of uranium by peanut shells was more accord with Langmuir isothermal adsorption equation.It was said that adsorption of uranium by peanut shells was single molecule layer absorption(chemical adsorption) primarily,the most adsorption capacity was 5.05 mg·g-1 by fit. |
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| Keywords: | peanut shells uranium adsorption removal rate |
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