烷基羟丙基胺作用下石英和赤铁矿的浮选行为
摘要：通过浮选试验研究了新型捕收剂烷基羟丙基胺（NDIA）作用下石英和赤铁矿的浮选行为,并结合量子化学计算和zeta电位分析,考察了该捕收剂在矿物表面的吸附机理.单矿物浮选试验结果表明：当捕收剂用量为33.33mg/L,pH值为4.50~8.00时,石英的回收率在92%以上,赤铁矿的回收率在50%左右.人工混合矿分选试验结果表明：当捕收剂用量为33.33mg/L,淀粉用量为13.33mg/L,pH值为4.50~8.00时,NDIA均可实现石英和赤铁矿的有效分离.量子化学计算结果表明,与十二胺相比,NDIA对石英具有更好的捕收性能.zeta电位测试结果表明：NDIA在石英和赤铁矿表面均发生了吸附...
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| Published in | 东北大学学报（自然科学版） Vol. 38; no. 12; pp. 1775 - 1779 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
东北大学 资源与土木工程学院,辽宁 沈阳,110819%东北大学 资源与土木工程学院, 辽宁 沈阳 110819
2017
北京矿冶研究总院 矿物加工科学与技术国家重点实验室,北京 100160%北方重工集团有限公司,辽宁 沈阳,110819 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 1005-3026 |
| DOI | 10.12068/j.issn.1005-3026.2017.12.022 |
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| Abstract | 摘要：通过浮选试验研究了新型捕收剂烷基羟丙基胺（NDIA）作用下石英和赤铁矿的浮选行为,并结合量子化学计算和zeta电位分析,考察了该捕收剂在矿物表面的吸附机理.单矿物浮选试验结果表明：当捕收剂用量为33.33mg/L,pH值为4.50~8.00时,石英的回收率在92%以上,赤铁矿的回收率在50%左右.人工混合矿分选试验结果表明：当捕收剂用量为33.33mg/L,淀粉用量为13.33mg/L,pH值为4.50~8.00时,NDIA均可实现石英和赤铁矿的有效分离.量子化学计算结果表明,与十二胺相比,NDIA对石英具有更好的捕收性能.zeta电位测试结果表明：NDIA在石英和赤铁矿表面均发生了吸附,且在石英表面的吸附作用强于赤铁矿. |
|---|---|
| AbstractList | 摘要：通过浮选试验研究了新型捕收剂烷基羟丙基胺（NDIA）作用下石英和赤铁矿的浮选行为,并结合量子化学计算和zeta电位分析,考察了该捕收剂在矿物表面的吸附机理.单矿物浮选试验结果表明：当捕收剂用量为33.33mg/L,pH值为4.50~8.00时,石英的回收率在92%以上,赤铁矿的回收率在50%左右.人工混合矿分选试验结果表明：当捕收剂用量为33.33mg/L,淀粉用量为13.33mg/L,pH值为4.50~8.00时,NDIA均可实现石英和赤铁矿的有效分离.量子化学计算结果表明,与十二胺相比,NDIA对石英具有更好的捕收性能.zeta电位测试结果表明：NDIA在石英和赤铁矿表面均发生了吸附,且在石英表面的吸附作用强于赤铁矿. TD923.14; 通过浮选试验研究了新型捕收剂烷基羟丙基胺(NDIA)作用下石英和赤铁矿的浮选行为,并结合量子化学计算和zeta电位分析,考察了该捕收剂在矿物表面的吸附机理.单矿物浮选试验结果表明:当捕收剂用量为33.33 mg/L,pH值为4.50~8.00时,石英的回收率在92%以上,赤铁矿的回收率在50%左右.人工混合矿分选试验结果表明:当捕收剂用量为33.33 mg/L,淀粉用量为13.33 mg/L,pH值为4.50~8.00时,NDIA均可实现石英和赤铁矿的有效分离.量子化学计算结果表明,与十二胺相比,NDIA对石英具有更好的捕收性能.zeta电位测试结果表明:NDIA在石英和赤铁矿表面均发生了吸附,且在石英表面的吸附作用强于赤铁矿. |
| Abstract_FL | Flotation behaviors of quartz and hematite in the presence of a new collector alkyl hydroxypropyl amine ( NDIA ) were investigated through flotation experiments. Combined with quantum chemical calculation and zeta potential analysis, the adsorption mechanism of NDIA on the mineral surface was studied. Flotation results of pure mineral showed that the flotation recovery of quartz was above 92% and the flotation recovery of hematite was around 50% , when the dosage of NDIA was 33. 33 mg/L, and pH value of the pulp was set from 4. 50 to 8. 00. Flotation results of artificial mixed mineral showed that quartz and hematite were effectively separated, when the dosage of NDIA was 33. 33 mg/L, the dosage of starch was 13. 33 mg/L and pH value of the pulp was set from 4. 50 to 8. 00 . The results of quantum chemistry calculation indicated that NDIA had a better flotation performance than DDA to quartz. According to the results of zeta potential test, NDIA was adsorbed on both quartz and hematite surface, but the adsorption ability of NDIA on quartz surface was much stronger than that on hematite. |
| Author | 刘文宝;刘文刚;王鑫阳;张尧 |
| AuthorAffiliation | 东北大学资源与土木工程学院,辽宁沈阳110819;北京矿冶研究总院矿物加工科学与技术国家重点实验室,北京100160;北方重工集团有限公司,辽宁沈阳110819 |
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| Author_FL | ZHANG Yao LIU Wen-bao WANG Xin-yang LIU Wen-gang |
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| DocumentTitleAlternate | Flotation Behavior of Quartz and Hematite in the Presence of Alkyl Hydroxypropyl Amine |
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| Keywords | 石英 动电位 赤铁矿 量子化学 quantum chemistry alkyl hydroxypropyl amine quartz hematite zeta potential 烷基羟丙基胺 |
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| Notes | LIU Wen- bao1,LIU Wen- gang1,, WANG Xin- yang1,ZHANG Yao3（1. School of Resources ＆ Civil Engineering＇ Northeastern University＇ Shenyang 110819,China; 2. State Key Laboratory of Mineral Processing,Beijing General Research Institute of Mining ＆ Metallurgy,Beijing 100160, China; 3. Northern Heavy Industries Group Co. ＇ Ltd. ＇ Shenyang 110819,China. Corresponding author： LIU Wen-gang, E-mail： liuwengang@mail.neu.edu.cn） 21-1344/T alkyl hydroxypropyl amine; quartz; hematite; quantum chemistry; zeta potential Flotation behaviors o f quartz and hematite in the presence o f a new collector alkyl hydroxypropyl amine （NDIA ） were investigated through flotation experiments. Combined with quantum chemical calculation and zeta potential analysis,the adsorption mechanism o f N D IA on the mineral surface was studied. Flotation results o f pure mineral showed that the flotation recovery of quartz was above 92% and the flotation recovery o f hematite was around 50%,when the dosage of NDIA was 33. 33 mg/L,and pH value o f the pu |
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| Publisher | 东北大学 资源与土木工程学院,辽宁 沈阳,110819%东北大学 资源与土木工程学院, 辽宁 沈阳 110819 北京矿冶研究总院 矿物加工科学与技术国家重点实验室,北京 100160%北方重工集团有限公司,辽宁 沈阳,110819 |
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| Snippet | 摘要：通过浮选试验研究了新型捕收剂烷基羟丙基胺（NDIA）作用下石英和赤铁矿的浮选行为,并结合量子化学计算和zeta电位分析,考察了该捕收剂在矿物表面的吸附机理.单矿物浮... TD923.14; 通过浮选试验研究了新型捕收剂烷基羟丙基胺(NDIA)作用下石英和赤铁矿的浮选行为,并结合量子化学计算和zeta电位分析,考察了该捕收剂在矿物表面的吸附机理.单矿物... |
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| SubjectTerms | 动电位 烷基羟丙基胺 石英 赤铁矿 量子化学 |
| Title | 烷基羟丙基胺作用下石英和赤铁矿的浮选行为 |
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