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Vanadium Leaching Kinetics from Calcification-Roasted Vanadium Slag in Ammonium Carbonate
Ammonium carbonate leaching method is a new selective vanadium leaching method. Studying the leaching kinetics of vanadium in ammonium carbonate solution will promote the industrial application of this method. In this work, using different leaching conditions, the variations of vanadium leaching eff...
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| Published in: | Journal of sustainable metallurgy 2023-12, Vol.9 (4), p.1810-1819 |
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| Main Authors: | , , , , , |
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| container_end_page | 1819 |
| container_issue | 4 |
| container_start_page | 1810 |
| container_title | Journal of sustainable metallurgy |
| container_volume | 9 |
| creator | Cheng, Jie Li, Hong-Yi Wei, Cheng-Chao Chen, Xin-Mian Diao, Jiang Xie, Bing |
| description | Ammonium carbonate leaching method is a new selective vanadium leaching method. Studying the leaching kinetics of vanadium in ammonium carbonate solution will promote the industrial application of this method. In this work, using different leaching conditions, the variations of vanadium leaching efficiency with leaching time were studied to elucidate the leaching kinetics of vanadium. It was concluded that the leaching process consists of two stages and both of which complied with shrinking core model (SCM). The apparent activation energies (
E
a) of leaching process were 8.80 kJ/mol (0–15 min) and 9.68 kJ/mol (15–70 min), respectively. Results indicated the leaching rate in 0–15 min was controlled by solid product layer diffusion and the leaching rate in 15–70 min was controlled by solid product layer diffusion and chemical reactions, and diffusion control played a significant role. Therefore, it is necessary to accelerate the mass transfer in the entire leaching process.
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| doi_str_mv | 10.1007/s40831-023-00767-1 |
| format | article |
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E
a) of leaching process were 8.80 kJ/mol (0–15 min) and 9.68 kJ/mol (15–70 min), respectively. Results indicated the leaching rate in 0–15 min was controlled by solid product layer diffusion and the leaching rate in 15–70 min was controlled by solid product layer diffusion and chemical reactions, and diffusion control played a significant role. Therefore, it is necessary to accelerate the mass transfer in the entire leaching process.
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E
a) of leaching process were 8.80 kJ/mol (0–15 min) and 9.68 kJ/mol (15–70 min), respectively. Results indicated the leaching rate in 0–15 min was controlled by solid product layer diffusion and the leaching rate in 15–70 min was controlled by solid product layer diffusion and chemical reactions, and diffusion control played a significant role. Therefore, it is necessary to accelerate the mass transfer in the entire leaching process.
Graphical Abstract</description><subject>Ammonium compounds</subject><subject>Calcification</subject><subject>Chemical reactions</subject><subject>Diffusion layers</subject><subject>Diffusion rate</subject><subject>Earth and Environmental Science</subject><subject>Environment</subject><subject>Industrial applications</subject><subject>Kinetics</subject><subject>Leaching</subject><subject>Mass transfer</subject><subject>Metallic Materials</subject><subject>Research Article</subject><subject>Shrinking core model</subject><subject>Sustainable Development</subject><subject>Vanadium</subject><issn>2199-3823</issn><issn>2199-3831</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><recordid>eNp9UE1LAzEUDKJgqf0DnhY8R1-S3U1zLItfWBD8Ak8hm2RrSjepyfbgvzd1pd48vZlhZh4MQucELgkAv0olzBnBQBnOtOaYHKEJJUJglvXjA6bsFM1SWgMA5azknEzQ-5vyyrhdXyyt0h_Or4oH5-3gdCq6GPqiURvtOqfV4ILHT0GlwZrikHreqFXhfLHo--D3QqNiG7wa7Bk66dQm2dnvnaLXm-uX5g4vH2_vm8USa8phwFwQrgxVrTCmsrzMvKpFXUJnq5q2pTEZ6o7OBbA5t23ZatsqW7FKm0oTxqboYuzdxvC5s2mQ67CLPr-UVADUteCMZhcdXTqGlKLt5Da6XsUvSUDuV5TjijKvKH9WlCSH2BhK2exXNv5V_5P6Bq7ldO4</recordid><startdate>20231201</startdate><enddate>20231201</enddate><creator>Cheng, Jie</creator><creator>Li, Hong-Yi</creator><creator>Wei, Cheng-Chao</creator><creator>Chen, Xin-Mian</creator><creator>Diao, Jiang</creator><creator>Xie, Bing</creator><general>Springer International Publishing</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20231201</creationdate><title>Vanadium Leaching Kinetics from Calcification-Roasted Vanadium Slag in Ammonium Carbonate</title><author>Cheng, Jie ; Li, Hong-Yi ; Wei, Cheng-Chao ; Chen, Xin-Mian ; Diao, Jiang ; Xie, Bing</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c270t-7917ad2ab9dd5e74791569640fe562b4dd40fcf2890387eb4bcebae535cd5c133</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Ammonium compounds</topic><topic>Calcification</topic><topic>Chemical reactions</topic><topic>Diffusion layers</topic><topic>Diffusion rate</topic><topic>Earth and Environmental Science</topic><topic>Environment</topic><topic>Industrial applications</topic><topic>Kinetics</topic><topic>Leaching</topic><topic>Mass transfer</topic><topic>Metallic Materials</topic><topic>Research Article</topic><topic>Shrinking core model</topic><topic>Sustainable Development</topic><topic>Vanadium</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Cheng, Jie</creatorcontrib><creatorcontrib>Li, Hong-Yi</creatorcontrib><creatorcontrib>Wei, Cheng-Chao</creatorcontrib><creatorcontrib>Chen, Xin-Mian</creatorcontrib><creatorcontrib>Diao, Jiang</creatorcontrib><creatorcontrib>Xie, Bing</creatorcontrib><collection>CrossRef</collection><jtitle>Journal of sustainable metallurgy</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Cheng, Jie</au><au>Li, Hong-Yi</au><au>Wei, Cheng-Chao</au><au>Chen, Xin-Mian</au><au>Diao, Jiang</au><au>Xie, Bing</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Vanadium Leaching Kinetics from Calcification-Roasted Vanadium Slag in Ammonium Carbonate</atitle><jtitle>Journal of sustainable metallurgy</jtitle><stitle>J. Sustain. Metall</stitle><date>2023-12-01</date><risdate>2023</risdate><volume>9</volume><issue>4</issue><spage>1810</spage><epage>1819</epage><pages>1810-1819</pages><issn>2199-3823</issn><eissn>2199-3831</eissn><abstract>Ammonium carbonate leaching method is a new selective vanadium leaching method. Studying the leaching kinetics of vanadium in ammonium carbonate solution will promote the industrial application of this method. In this work, using different leaching conditions, the variations of vanadium leaching efficiency with leaching time were studied to elucidate the leaching kinetics of vanadium. It was concluded that the leaching process consists of two stages and both of which complied with shrinking core model (SCM). The apparent activation energies (
E
a) of leaching process were 8.80 kJ/mol (0–15 min) and 9.68 kJ/mol (15–70 min), respectively. Results indicated the leaching rate in 0–15 min was controlled by solid product layer diffusion and the leaching rate in 15–70 min was controlled by solid product layer diffusion and chemical reactions, and diffusion control played a significant role. Therefore, it is necessary to accelerate the mass transfer in the entire leaching process.
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| identifier | ISSN: 2199-3823 |
| ispartof | Journal of sustainable metallurgy, 2023-12, Vol.9 (4), p.1810-1819 |
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| language | eng |
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| source | Springer Nature |
| subjects | Ammonium compounds Calcification Chemical reactions Diffusion layers Diffusion rate Earth and Environmental Science Environment Industrial applications Kinetics Leaching Mass transfer Metallic Materials Research Article Shrinking core model Sustainable Development Vanadium |
| title | Vanadium Leaching Kinetics from Calcification-Roasted Vanadium Slag in Ammonium Carbonate |
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