Review of the State of Impurity Occurrences and Impurity Removal Technology in Phosphogypsum
A variety of co-existing impurities in phosphogypsum limit its large-scale and high-value utilization. This paper summarizes the common contents of major impurity components (silicon and phosphorus) and trace impurity components (fluorine, iron, aluminum, and carbon) in phosphogypsum and discusses t...
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| Veröffentlicht in: | Materials 2023-08, Vol.16 (16), p.5630 |
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| creator | Li, Xu Lv, Xinfeng Xiang, Lan |
| description | A variety of co-existing impurities in phosphogypsum limit its large-scale and high-value utilization. This paper summarizes the common contents of major impurity components (silicon and phosphorus) and trace impurity components (fluorine, iron, aluminum, and carbon) in phosphogypsum and discusses the harm of impurity components to the comprehensive utilization of harmless phosphogypsum chemical resources. The occurrence status of impurity components in phosphogypsum and the research progress of various impurity removal technologies are summarized, and the effects of these impurity removal technologies on different contents of impurity components are evaluated. On this basis, the goal of improving the whiteness of phosphogypsum samples and the development of technology for further removal of impurities in phosphogypsum to improve the purity of the main content of calcium sulfate are speculated. |
| doi_str_mv | 10.3390/ma16165630 |
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This paper summarizes the common contents of major impurity components (silicon and phosphorus) and trace impurity components (fluorine, iron, aluminum, and carbon) in phosphogypsum and discusses the harm of impurity components to the comprehensive utilization of harmless phosphogypsum chemical resources. The occurrence status of impurity components in phosphogypsum and the research progress of various impurity removal technologies are summarized, and the effects of these impurity removal technologies on different contents of impurity components are evaluated. On this basis, the goal of improving the whiteness of phosphogypsum samples and the development of technology for further removal of impurities in phosphogypsum to improve the purity of the main content of calcium sulfate are speculated.</description><identifier>ISSN: 1996-1944</identifier><identifier>EISSN: 1996-1944</identifier><identifier>DOI: 10.3390/ma16165630</identifier><identifier>PMID: 37629922</identifier><language>eng</language><publisher>Basel: MDPI AG</publisher><subject>Aluminum ; Calcium sulfate ; Carbon ; Cement ; Fluorine ; Fluorine compounds ; Gypsum ; Heavy metals ; Minerals ; Phosphogypsum ; Phosphorus ; Potassium ; Quartz ; Review ; Silicon ; Sodium ; Spectrum analysis ; Trace elements ; Trace impurities</subject><ispartof>Materials, 2023-08, Vol.16 (16), p.5630</ispartof><rights>COPYRIGHT 2023 MDPI AG</rights><rights>2023 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). 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This paper summarizes the common contents of major impurity components (silicon and phosphorus) and trace impurity components (fluorine, iron, aluminum, and carbon) in phosphogypsum and discusses the harm of impurity components to the comprehensive utilization of harmless phosphogypsum chemical resources. The occurrence status of impurity components in phosphogypsum and the research progress of various impurity removal technologies are summarized, and the effects of these impurity removal technologies on different contents of impurity components are evaluated. On this basis, the goal of improving the whiteness of phosphogypsum samples and the development of technology for further removal of impurities in phosphogypsum to improve the purity of the main content of calcium sulfate are speculated.</description><subject>Aluminum</subject><subject>Calcium sulfate</subject><subject>Carbon</subject><subject>Cement</subject><subject>Fluorine</subject><subject>Fluorine compounds</subject><subject>Gypsum</subject><subject>Heavy metals</subject><subject>Minerals</subject><subject>Phosphogypsum</subject><subject>Phosphorus</subject><subject>Potassium</subject><subject>Quartz</subject><subject>Review</subject><subject>Silicon</subject><subject>Sodium</subject><subject>Spectrum analysis</subject><subject>Trace elements</subject><subject>Trace impurities</subject><issn>1996-1944</issn><issn>1996-1944</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNpdkV1LHDEUhkOxVLHe9BcM9EaEtfnO5EpEtAqCxdq7QshmzuxEZpIxmVnZf9-sK7U2ucg5Oc95k8OL0BeCTxnT-NtgiSRSSIY_oAOitVwQzfneP_E-Osr5EZfFGKmp_oT2mZJUa0oP0O97WHt4rmJbTR1UPyc7wTa5GcY5-WlT3Tk3pwTBQa5saN4K9zDEte2rB3BdiH1cbSofqh9dzGNXkjHPw2f0sbV9hqPX8xD9urp8uLhe3N59v7k4v104Ttm0EJJj7phyVDlJG7HkrdLKUsqsa2qKaU0BN7UC4FZKppfQSqsVEWBBMtqwQ3S20x3n5QCNgzAl25sx-cGmjYnWm_eV4DuzimtDMBdSEVwUjl8VUnyaIU9m8NlB39sAcc6G1kLVnAixRb_-hz7GOYUy3wtVRhFcF-p0R61sD8aHNpaHXdkNDN7FAK0v9-fFB15TKmhpONk1uBRzTtD-_T7BZuu0eXOa_QEdm5mz</recordid><startdate>20230815</startdate><enddate>20230815</enddate><creator>Li, Xu</creator><creator>Lv, Xinfeng</creator><creator>Xiang, Lan</creator><general>MDPI AG</general><general>MDPI</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>PDBOC</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>7X8</scope><scope>5PM</scope></search><sort><creationdate>20230815</creationdate><title>Review of the State of Impurity Occurrences and Impurity Removal Technology in Phosphogypsum</title><author>Li, Xu ; 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This paper summarizes the common contents of major impurity components (silicon and phosphorus) and trace impurity components (fluorine, iron, aluminum, and carbon) in phosphogypsum and discusses the harm of impurity components to the comprehensive utilization of harmless phosphogypsum chemical resources. The occurrence status of impurity components in phosphogypsum and the research progress of various impurity removal technologies are summarized, and the effects of these impurity removal technologies on different contents of impurity components are evaluated. On this basis, the goal of improving the whiteness of phosphogypsum samples and the development of technology for further removal of impurities in phosphogypsum to improve the purity of the main content of calcium sulfate are speculated.</abstract><cop>Basel</cop><pub>MDPI AG</pub><pmid>37629922</pmid><doi>10.3390/ma16165630</doi><oa>free_for_read</oa></addata></record> |
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| ispartof | Materials, 2023-08, Vol.16 (16), p.5630 |
| issn | 1996-1944 1996-1944 |
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| source | PubMed Central Open Access; MDPI - Multidisciplinary Digital Publishing Institute; EZB-FREE-00999 freely available EZB journals; PubMed Central; Free Full-Text Journals in Chemistry |
| subjects | Aluminum Calcium sulfate Carbon Cement Fluorine Fluorine compounds Gypsum Heavy metals Minerals Phosphogypsum Phosphorus Potassium Quartz Review Silicon Sodium Spectrum analysis Trace elements Trace impurities |
| title | Review of the State of Impurity Occurrences and Impurity Removal Technology in Phosphogypsum |
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