Separation of Iron(II) and Vanadium(IV)、Chromium(III) from Low Valence Vanadium Solution and Preparation of Mohr's Salt
In this study, the leaching solution containing vanadium(IV), chromium(III) and iron(II) obtained in the process of extracting low valence vanadium from vanadium slag was taken as the research object, and the vacuum cooling method was applied to crystallize iron(II) from the leachatein the form of M...
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| Format: | Article |
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Institute of Multipurpose Utilization of Mineral Resources, Chinese Academy of Geological Sciences
2022-08-01
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| Series: | Kuangchan zonghe liyong |
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| Online Access: | http://www.kczhly.com/en/article/doi/10.3969/j.issn.1000-6532.2022.04.010 |
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| author | Rentao Yin Dongmei Luo Liang Chen Dingsong Weng Haibing Xiao Bin Liang Zhenghao Wang |
| author_facet | Rentao Yin Dongmei Luo Liang Chen Dingsong Weng Haibing Xiao Bin Liang Zhenghao Wang |
| author_sort | Rentao Yin |
| collection | DOAJ |
| description | In this study, the leaching solution containing vanadium(IV), chromium(III) and iron(II) obtained in the process of extracting low valence vanadium from vanadium slag was taken as the research object, and the vacuum cooling method was applied to crystallize iron(II) from the leachatein the form of Mohr’s salt, which realized the efficient separation of iron from vanadium(IV) and chromium(III) and the preparation of Mohr’s salt. The effect of pH value, ammonium sulfate addition, reaction time, and crystallization time on the separation behavior of ferrovanadium crystallization were investigated. The results showed that the removal rate of iron reached 86.42% under the conditions of the vacuum degree of 0.08 MPa, pH value of 2.5, addition of ammonium sulfate (calculated as n((NH4)2SO4)/n(FeSO4)) of 1.2, reaction for 140 min and crystallization for 36 h. The loss of vanadium and chromium were only 0.52% and 1.64%, respectively. In addition, Mohr’s salt with a purity of 99.23% was obtained. |
| first_indexed | 2024-04-12T03:40:14Z |
| format | Article |
| id | doaj.art-ba50555fe0714b27b05dff4203df1d31 |
| institution | Directory Open Access Journal |
| issn | 1000-6532 |
| language | zho |
| last_indexed | 2024-04-12T03:40:14Z |
| publishDate | 2022-08-01 |
| publisher | Institute of Multipurpose Utilization of Mineral Resources, Chinese Academy of Geological Sciences |
| record_format | Article |
| series | Kuangchan zonghe liyong |
| spelling | doaj.art-ba50555fe0714b27b05dff4203df1d312022-12-22T03:49:19ZzhoInstitute of Multipurpose Utilization of Mineral Resources, Chinese Academy of Geological SciencesKuangchan zonghe liyong1000-65322022-08-01434535810.3969/j.issn.1000-6532.2022.04.0102022-04yinrentaoSeparation of Iron(II) and Vanadium(IV)、Chromium(III) from Low Valence Vanadium Solution and Preparation of Mohr's SaltRentao Yin0Dongmei Luo1Liang Chen2Dingsong Weng3Haibing Xiao4Bin Liang5Zhenghao Wang6School of Chemical Engineering, Sichuan University, Chengdu, Sichuan, ChinaSchool of Chemical Engineering, Sichuan University, Chengdu, Sichuan, ChinaSchool of Chemical Engineering, Sichuan University, Chengdu, Sichuan, ChinaSchool of Chemical Engineering, Sichuan University, Chengdu, Sichuan, ChinaSchool of Chemical Engineering, Sichuan University, Chengdu, Sichuan, ChinaSchool of Chemical Engineering, Sichuan University, Chengdu, Sichuan, ChinaSchool of Chemical Engineering, Sichuan University, Chengdu, Sichuan, ChinaIn this study, the leaching solution containing vanadium(IV), chromium(III) and iron(II) obtained in the process of extracting low valence vanadium from vanadium slag was taken as the research object, and the vacuum cooling method was applied to crystallize iron(II) from the leachatein the form of Mohr’s salt, which realized the efficient separation of iron from vanadium(IV) and chromium(III) and the preparation of Mohr’s salt. The effect of pH value, ammonium sulfate addition, reaction time, and crystallization time on the separation behavior of ferrovanadium crystallization were investigated. The results showed that the removal rate of iron reached 86.42% under the conditions of the vacuum degree of 0.08 MPa, pH value of 2.5, addition of ammonium sulfate (calculated as n((NH4)2SO4)/n(FeSO4)) of 1.2, reaction for 140 min and crystallization for 36 h. The loss of vanadium and chromium were only 0.52% and 1.64%, respectively. In addition, Mohr’s salt with a purity of 99.23% was obtained.http://www.kczhly.com/en/article/doi/10.3969/j.issn.1000-6532.2022.04.010vanadium slaglow valence vanadiumcrystallize(nh4)2fe(so4)2·6h2o |
| spellingShingle | Rentao Yin Dongmei Luo Liang Chen Dingsong Weng Haibing Xiao Bin Liang Zhenghao Wang Separation of Iron(II) and Vanadium(IV)、Chromium(III) from Low Valence Vanadium Solution and Preparation of Mohr's Salt Kuangchan zonghe liyong vanadium slag low valence vanadium crystallize (nh4)2fe(so4)2·6h2o |
| title | Separation of Iron(II) and Vanadium(IV)、Chromium(III) from Low Valence Vanadium Solution and Preparation of Mohr's Salt |
| title_full | Separation of Iron(II) and Vanadium(IV)、Chromium(III) from Low Valence Vanadium Solution and Preparation of Mohr's Salt |
| title_fullStr | Separation of Iron(II) and Vanadium(IV)、Chromium(III) from Low Valence Vanadium Solution and Preparation of Mohr's Salt |
| title_full_unstemmed | Separation of Iron(II) and Vanadium(IV)、Chromium(III) from Low Valence Vanadium Solution and Preparation of Mohr's Salt |
| title_short | Separation of Iron(II) and Vanadium(IV)、Chromium(III) from Low Valence Vanadium Solution and Preparation of Mohr's Salt |
| title_sort | separation of iron ii and vanadium iv chromium iii from low valence vanadium solution and preparation of mohr s salt |
| topic | vanadium slag low valence vanadium crystallize (nh4)2fe(so4)2·6h2o |
| url | http://www.kczhly.com/en/article/doi/10.3969/j.issn.1000-6532.2022.04.010 |
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