| 硅藻土对水相中Sr2+的吸附性能研究 |
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| 引用本文： | 吴波,张伟. 硅藻土对水相中Sr2+的吸附性能研究[J]. 中国非金属矿工业导刊, 2011, 0(1): 35-37 |
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| 作者姓名： | 吴波 张伟 |
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| 作者单位： | 1. 西南科技大学国防科技学院,四川,绵阳,621010
2. 西南科技大学分析测试中心,四川,绵阳,621010 |
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| 摘 要： | 研究了硅藻土对水相中Sr2+的吸附过程,讨论了各种因素对吸附效果的影响。结果表明:硅藻土对水相中的Sr2+具有较好的吸附效果。溶液pH值是影响硅藻土吸附Sr2+的重要因素,在强酸性环境下,硅藻土对Sr2+的吸附效果较佳。硅藻土对Sr2+的去除率随着硅藻土用量增加而增大,随着Sr2+初始质量浓度增加而降低;吸附量则随着硅藻土用量增加而降低,随着Sr2+初始浓度增加而增大。动力学研究表明,硅藻土对Sr2+的吸附是快速吸附过程,吸附进行到60min时,去除率和吸附量达到吸附平衡的95%;吸附过程较好地拟合伪二级动力学方程。
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| 关 键 词： | 硅藻土 Sr2+ 吸附 |
Research on Adsorption of Strontium Ions by Diatomate |
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| WU Bo,ZHANG Wei. Research on Adsorption of Strontium Ions by Diatomate[J]. China Non-Metallic Mining Industry Herald, 2011, 0(1): 35-37 |
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| Authors: | WU Bo ZHANG Wei |
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| Affiliation: | WU Bo,ZHANG Wei(1.School of National Defence Science and Technology,Southwest University of Science and Technology,Mianyang 621010,China,2.Analytical and Testing Center Southwest University of Science and Technology,China) |
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| Abstract: | The adsorption of strontium ions by diatomate was investigated under the different adsorption conditions.The results of the study showed that the diatomate has some abilities to adsorb strontium ions from solution.PH value of the solution was an important factor for both solution chemistry of metals and adsorbent.The adsorption capacity of diatomate with strontium ions was better in acid condition.The removal rate risen as the dosage of diatomate increased,and declined as the concentration of strontium ions... |
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| Keywords: | diatomite strontium ions adsorption |
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