离子特性对煤泥水凝聚过程的影响
TD926.4; 本文采用X射线衍射对样品进行了物质组分分析,并通过试验确定了凝聚剂种类和用量、水质条件以及不同离子半径对高泥化煤泥水沉降性能的影响规律,且从电动电位的角度分析了其作用机理.结果表明:单独使用电解质较难满足高泥化煤泥水沉降处理的目的,高价的阳离子Fe3+和Al3+沉降效果明显优于低价的K+和Na+,通过增加Ca2+和Mg2+的浓度来提高了水质硬度,对煤泥水沉降的影响并不明显.半径大的离子相应的压缩双电层的能力就稍大.在相同用量条件下,压缩双电层的效果优于半径小的离子....
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| Published in: | 矿产综合利用 no. 5; pp. 63 - 67 |
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| Main Authors: | , , , |
| Format: | Journal Article |
| Language: | Chinese |
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太原理工大学矿业工程学院,山西太原,030024
2018
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| Abstract | TD926.4; 本文采用X射线衍射对样品进行了物质组分分析,并通过试验确定了凝聚剂种类和用量、水质条件以及不同离子半径对高泥化煤泥水沉降性能的影响规律,且从电动电位的角度分析了其作用机理.结果表明:单独使用电解质较难满足高泥化煤泥水沉降处理的目的,高价的阳离子Fe3+和Al3+沉降效果明显优于低价的K+和Na+,通过增加Ca2+和Mg2+的浓度来提高了水质硬度,对煤泥水沉降的影响并不明显.半径大的离子相应的压缩双电层的能力就稍大.在相同用量条件下,压缩双电层的效果优于半径小的离子. |
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| AbstractList | TD926.4; 本文采用X射线衍射对样品进行了物质组分分析,并通过试验确定了凝聚剂种类和用量、水质条件以及不同离子半径对高泥化煤泥水沉降性能的影响规律,且从电动电位的角度分析了其作用机理.结果表明:单独使用电解质较难满足高泥化煤泥水沉降处理的目的,高价的阳离子Fe3+和Al3+沉降效果明显优于低价的K+和Na+,通过增加Ca2+和Mg2+的浓度来提高了水质硬度,对煤泥水沉降的影响并不明显.半径大的离子相应的压缩双电层的能力就稍大.在相同用量条件下,压缩双电层的效果优于半径小的离子. |
| Author | 樊玉萍 马晓敏 冯泽宇 董宪姝 |
| AuthorAffiliation | 太原理工大学矿业工程学院,山西太原,030024 |
| AuthorAffiliation_xml | – name: 太原理工大学矿业工程学院,山西太原,030024 |
| Author_FL | Fan yuping Ma Xiaomin Feng Zeyu Dong Xianshu |
| Author_FL_xml | – sequence: 1 fullname: Feng Zeyu – sequence: 2 fullname: Dong Xianshu – sequence: 3 fullname: Ma Xiaomin – sequence: 4 fullname: Fan yuping |
| Author_xml | – sequence: 1 fullname: 冯泽宇 – sequence: 2 fullname: 董宪姝 – sequence: 3 fullname: 马晓敏 – sequence: 4 fullname: 樊玉萍 |
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| Keywords | 煤泥水 凝聚剂 Zeta电位 沉降 |
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| Title | 离子特性对煤泥水凝聚过程的影响 |
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