Review of hydrometallurgical recovery of zinc from industrial wastes
Zinc containing wastes/secondaries viz. zinc ash, dross, flue dusts, sludge, residue etc. are generated in various chemical and metallurgical industries. The materials contain different level of impurities depending on the source. The hydrometallurgical processing is effective and flexible for treat...
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| Veröffentlicht in: | Resources, conservation and recycling conservation and recycling, 2001-08, Vol.33 (1), p.1-22 |
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| creator | Jha, M.K Kumar, V Singh, R.J |
| description | Zinc containing wastes/secondaries viz. zinc ash, dross, flue dusts, sludge, residue etc. are generated in various chemical and metallurgical industries. The materials contain different level of impurities depending on the source. The hydrometallurgical processing is effective and flexible for treating such materials as it can control the different level of impurities. Depending on the nature and composition of the secondaries, a suitable lixiviant could be selected to dissolve the desired metals leaving gangue in the residue. In the present paper, the hydrometallurgical processes have been described for the recovery of zinc from the secondaries using sulphuric acid, hydrochloric acid, ammoniacal solution and sodium hydroxide etc. as lixiviants. The leach solution thus obtained has been purified with respect to dissolved impurities using precipitation, ion exchange or solvent extraction method. The metal or salt is produced from the purified solution by electrolysis or crystallization. |
| doi_str_mv | 10.1016/S0921-3449(00)00095-1 |
| format | Article |
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The materials contain different level of impurities depending on the source. The hydrometallurgical processing is effective and flexible for treating such materials as it can control the different level of impurities. Depending on the nature and composition of the secondaries, a suitable lixiviant could be selected to dissolve the desired metals leaving gangue in the residue. In the present paper, the hydrometallurgical processes have been described for the recovery of zinc from the secondaries using sulphuric acid, hydrochloric acid, ammoniacal solution and sodium hydroxide etc. as lixiviants. The leach solution thus obtained has been purified with respect to dissolved impurities using precipitation, ion exchange or solvent extraction method. The metal or salt is produced from the purified solution by electrolysis or crystallization.</description><identifier>ISSN: 0921-3449</identifier><identifier>EISSN: 1879-0658</identifier><identifier>DOI: 10.1016/S0921-3449(00)00095-1</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Applied sciences ; Exact sciences and technology ; Hydrometallurgical processing ; Hydrometallurgy ; Leaching ; Metals. Metallurgy ; Other industrial wastes. Sewage sludge ; Pollution ; Production of metals ; Production of non ferrous metals. 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The materials contain different level of impurities depending on the source. The hydrometallurgical processing is effective and flexible for treating such materials as it can control the different level of impurities. Depending on the nature and composition of the secondaries, a suitable lixiviant could be selected to dissolve the desired metals leaving gangue in the residue. In the present paper, the hydrometallurgical processes have been described for the recovery of zinc from the secondaries using sulphuric acid, hydrochloric acid, ammoniacal solution and sodium hydroxide etc. as lixiviants. The leach solution thus obtained has been purified with respect to dissolved impurities using precipitation, ion exchange or solvent extraction method. The metal or salt is produced from the purified solution by electrolysis or crystallization.</description><subject>Applied sciences</subject><subject>Exact sciences and technology</subject><subject>Hydrometallurgical processing</subject><subject>Hydrometallurgy</subject><subject>Leaching</subject><subject>Metals. Metallurgy</subject><subject>Other industrial wastes. Sewage sludge</subject><subject>Pollution</subject><subject>Production of metals</subject><subject>Production of non ferrous metals. 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Metallurgy</topic><topic>Other industrial wastes. Sewage sludge</topic><topic>Pollution</topic><topic>Production of metals</topic><topic>Production of non ferrous metals. Process materials</topic><topic>Secondaries and wastes containing zinc</topic><topic>Solvent extraction</topic><topic>Wastes</topic><topic>Zinc recovery</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Jha, M.K</creatorcontrib><creatorcontrib>Kumar, V</creatorcontrib><creatorcontrib>Singh, R.J</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Environment Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Environment Abstracts</collection><jtitle>Resources, conservation and recycling</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Jha, M.K</au><au>Kumar, V</au><au>Singh, R.J</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Review of hydrometallurgical recovery of zinc from industrial wastes</atitle><jtitle>Resources, conservation and recycling</jtitle><date>2001-08-01</date><risdate>2001</risdate><volume>33</volume><issue>1</issue><spage>1</spage><epage>22</epage><pages>1-22</pages><issn>0921-3449</issn><eissn>1879-0658</eissn><abstract>Zinc containing wastes/secondaries viz. zinc ash, dross, flue dusts, sludge, residue etc. are generated in various chemical and metallurgical industries. The materials contain different level of impurities depending on the source. The hydrometallurgical processing is effective and flexible for treating such materials as it can control the different level of impurities. Depending on the nature and composition of the secondaries, a suitable lixiviant could be selected to dissolve the desired metals leaving gangue in the residue. In the present paper, the hydrometallurgical processes have been described for the recovery of zinc from the secondaries using sulphuric acid, hydrochloric acid, ammoniacal solution and sodium hydroxide etc. as lixiviants. The leach solution thus obtained has been purified with respect to dissolved impurities using precipitation, ion exchange or solvent extraction method. The metal or salt is produced from the purified solution by electrolysis or crystallization.</abstract><cop>Amsterdam</cop><cop>Oxford</cop><pub>Elsevier B.V</pub><doi>10.1016/S0921-3449(00)00095-1</doi><tpages>22</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0921-3449 |
| ispartof | Resources, conservation and recycling, 2001-08, Vol.33 (1), p.1-22 |
| issn | 0921-3449 1879-0658 |
| language | eng |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | Applied sciences Exact sciences and technology Hydrometallurgical processing Hydrometallurgy Leaching Metals. Metallurgy Other industrial wastes. Sewage sludge Pollution Production of metals Production of non ferrous metals. Process materials Secondaries and wastes containing zinc Solvent extraction Wastes Zinc recovery |
| title | Review of hydrometallurgical recovery of zinc from industrial wastes |
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