| 三种常见捕收剂在方铅矿表面的吸附行为研究 |
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| 引用本文： | 艾光湧,蓝丽红,王佳琪,潘日发,方英帅,蓝平. 三种常见捕收剂在方铅矿表面的吸附行为研究[J]. 有色金属(选矿部分), 2017, 0(4): 87-92 |
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| 作者姓名： | 艾光湧 蓝丽红 王佳琪 潘日发 方英帅 蓝平 |
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| 作者单位： | 广西民族大学化学化工学院,广西民族大学化学化工学院,广西民族大学化学化工学院,广西民族大学化学化工学院,广西民族大学化学化工学院,广西民族大学化学化工学院 |
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| 基金项目： | 国家自然科学基金项目（面上项目，重点项目，重大项目） |
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| 摘 要： | 采用密度泛函理论从微观角度研究了丁基黄药,丁基铵黑药和乙硫氮三种常见捕收剂在方铅矿表面的吸附能,并采用静态吸附法研究了它们在方铅矿表面吸附热力学。模拟计算结果表明,三种捕收剂在方铅矿表面的平衡吸附能绝对值大小排序为:丁基铵黑药丁基黄药乙硫氮,因而丁基铵黑药较易吸附在方铅矿表面。静态吸附试验结果表明,方铅矿对三种捕收剂的吸附量随温度的升高而增大;它们的吸附等温线符合Langmuir方程;n1,其吸附过程均为优惠吸附;2ΔH43,说明捕收剂在方铅矿表面为吸热过程,是物理吸附和化学吸附共同作用的结果;ΔG0,说明吸附是自发的。
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| 关 键 词： | 密度泛函理论 方铅矿 捕收剂 静态吸附 吸附热力学 |
| 收稿时间： | 2017-01-04 |
| 修稿时间： | 2017-01-16 |
Study on the Adsorption Behavior of Three Common Collectors on Galena Surface |
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| Guang-yong Ai,Li-hong Lan,Jia-qi Wang,Ri-fa Pan,Ying-shuai Fang and Ping Lan. Study on the Adsorption Behavior of Three Common Collectors on Galena Surface[J]. , 2017, 0(4): 87-92 |
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| Authors: | Guang-yong Ai Li-hong Lan Jia-qi Wang Ri-fa Pan Ying-shuai Fang Ping Lan |
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| Affiliation: | School of Chemistry and Chemical Engineering of Guangxi University for Nationalities,Key Laboratory of Chemical and Biological Transformation Process of Guangxi Higher Education Institutes,Guangxi University for Nationalities,School of Chemistry and Chemical Engineering of Guangxi University for Nationalities,Key Laboratory of Chemical and Biological Transformation Process of Guangxi Higher Education Institutes,Guangxi University for Nationalities,School of Chemistry and Chemical Engineering of Guangxi University for Nationalities,Key Laboratory of Chemical and Biological Transformation Process of Guangxi Higher Education Institutes,Guangxi University for Nationalities,School of Chemistry and Chemical Engineering of Guangxi University for Nationalities,Key Laboratory of Chemical and Biological Transformation Process of Guangxi Higher Education Institutes,Guangxi University for Nationalities,School of Chemistry and Chemical Engineering of Guangxi University for Nationalities,Key Laboratory of Chemical and Biological Transformation Process of Guangxi Higher Education Institutes,Guangxi University for Nationalities,School of Chemistry and Chemical Engineering of Guangxi University for Nationalities,Key Laboratory of Chemical and Biological Transformation Process of Guangxi Higher Education Institutes,Guangxi University for Nationalities |
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| Abstract: | |
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| Keywords: | Density functional theory galena collector static adsorption adsorption thermodynamics |
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