| 贾继云,袁亚莉*,黄芬,徐丽华,刘雅兰,黄笑寒.Fe3O4磁流体对铀（VI）的吸附研究[J].南华大学学报(自然科学版),2011,25(2):70~73.[JIA Ji-yun,YUAN Ya-li*,HUANG Fen,XU Li-hua,LIU Ya-lan,HUANG Xiao-han.The Adsorption Behavior of Uranyl Ion on the Fe3O4 Ferro Fluids[J].Journal of University of South China(Science and Technology),2011,25(2):70~73.] |
| Fe3O4磁流体对铀（VI）的吸附研究 |
| The Adsorption Behavior of Uranyl Ion on the Fe3O4 Ferro Fluids |
| 投稿时间：2010-12-07 |
| DOI： |
| 中文关键词: 纳米粒子 四氧化三铁 铀（VI） 动力学模型 |
| 英文关键词:nanoparticle magnetite Uranyl ion kinetic model |
| 基金项目:湖南省科技厅基金资助项目（2009FJ3116） |
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| 中文摘要: |
| 为降低铀对环境的影响，研究纳米磁流体对铀（VI）的吸附行为.用沉淀法制备了磁粒径10～20 nm的Fe3O4磁流体，考察了该磁磁流体对铀（VI）吸附的各种影响因素，结果表明：在纳米磁流体浓度为2.5 g/L、温度35℃、pH=3、吸附时间t=30 min的条件下，对3×10-4 mol/L铀的吸附萃取率可达到84.15%.该吸附过程符合假设的二级动力学模型. |
| 英文摘要: |
| The water based ferrofluids with saturated magnetization 10～20 nm was prepared by chemical coprecipitation,which was characterized by TEM.The adsorption of Uranyl ion on the of ferrofluids was studied in this paper.The result indicates that the optimum experiment condition is the ferro fluids ion of 2.5 g/L,temperature35℃,pH value 3 and adsorption time 30 min,under which circumstances,the extraction rate of the Uranyl ion(3×10-4mol/L) reaches 84.15%.The adsorption process follows kinetics,which indicates the adsorption is a monolaper adsorption. |
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