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投稿时间:2011-08-29 修订日期:2011-08-29 录用日期:2011-08-30 网络发布日期:2011-10-26
投稿时间:2011-08-29 修订日期:2011-08-29 录用日期:2011-08-30 网络发布日期:2011-10-26
中文摘要: 用双氧水作为氧化剂,将难溶性亚硒酸盐转化为易溶性的硒酸盐,实现锑硒分离。结果表明,锑硒分离的动力学遵从不生成固体产物层的未反应核缩芯模型,动力学方程为 ,反应活化能为-15.490 6 kJ/mol,属于化学反应控制。
Abstract:Separation of antimony and selenium from arsenic alkali residues was investigated. Insoluble selenite was changed into soluble selenate using hydrogen peroxide as oxidant. The results show that its kinetics is unreacted-core shrinking model which has no solid products generated. Its kinetics equation is . The reaction activation energy is -15.490 6 kJ/mol, and it is a chemical reaction-controlled process.
keywords: arsenic alkali residue separation of antimony and selenium leaching kinetics activation energy
文章编号: 中图分类号: 文献标志码:
基金项目:国家高技术研究发展计划(863计划)
| 作者 | 单位 | |
| 邵建广 | 南昌航空大学环境与化学工程学院 | zengguisheng@hotmail.com |
| 曾桂生* | 南昌航空大学环境与化学工程学院 | zengguisheng@hotmail.com |
| 李慧 | 南昌航空大学环境与化学工程学院 | |
| 邓孝荣 | 南昌航空大学环境与化学工程学院 |
| Author Name | Affiliation | |
| SHAO Jian-guang | Nanchang Hangkong University | zengguisheng@hotmail.com |
| Zeng Guisheng | zengguisheng@hotmail.com | |
| Li hui | ||
| Deng Xiaorong |
引用文本:
邵建广,曾桂生,李慧,邓孝荣.炼锑砷碱渣中锑硒分离及动力学研究[J].有色金属(冶炼部分),2012(2):5-8.
SHAO Jian-guang,Zeng Guisheng,Li hui,Deng Xiaorong.Leaching Kinetics and Separation of Antimony and Selenium from Arsenic Alkali Residue[J].Nonferrous Metals (Extractive Metallurgy),2012(2):5-8.
邵建广,曾桂生,李慧,邓孝荣.炼锑砷碱渣中锑硒分离及动力学研究[J].有色金属(冶炼部分),2012(2):5-8.
SHAO Jian-guang,Zeng Guisheng,Li hui,Deng Xiaorong.Leaching Kinetics and Separation of Antimony and Selenium from Arsenic Alkali Residue[J].Nonferrous Metals (Extractive Metallurgy),2012(2):5-8.

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