Characterization and recovery of copper values from discarded slag
In any copper smelter large quantities of copper slag are discarded as waste material causing space and environmental problems. This discarded slag contains important amounts of metallic values such as copper and iron. The recovery of copper values from an Indian smelter slag that contains 1.53% Cu,...
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| Veröffentlicht in: | Waste management & research 2010-06, Vol.28 (6), p.561-567 |
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| creator | Das, Bisweswar Barada Kanta Mishra Angadi, Shivakumar Siddharth Kumar Pradhan Prakash, Sandur Mohanty, Jayakrushna |
| description | In any copper smelter large quantities of copper slag are discarded as waste material causing space and environmental problems. This discarded slag contains important amounts of metallic values such as copper and iron. The recovery of copper values from an Indian smelter slag that contains 1.53% Cu, 39.8% Fe and 34.65% SiO 2 was the focus of the present study. A complete investigation of the different phases present in the slag has been carried out by means of optical microscopy, Raman spectroscopy, scanning electron microscopy (SEM), and X-ray diffraction (XRD) techniques. It is observed that iron and silica are mostly associated with the fayalite phase whereas copper is present in both oxide and sulfide phases. These oxide and sulfide phases of copper are mostly present within the slag phase and to some extent the slag is also embedded inside the oxide and sulfide phases. The recovery of copper values from the discarded slag has been explored by applying a flotation technique using conventional sodium isopropyl xanthate (SIX) as the collector. The effects of flotation parameters such as pH and collector concentration are investigated. Under optimum flotation conditions, it is possible to achieve 21% Cu with more than 80% recovery. |
| doi_str_mv | 10.1177/0734242X09343943 |
| format | Article |
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This discarded slag contains important amounts of metallic values such as copper and iron. The recovery of copper values from an Indian smelter slag that contains 1.53% Cu, 39.8% Fe and 34.65% SiO 2 was the focus of the present study. A complete investigation of the different phases present in the slag has been carried out by means of optical microscopy, Raman spectroscopy, scanning electron microscopy (SEM), and X-ray diffraction (XRD) techniques. It is observed that iron and silica are mostly associated with the fayalite phase whereas copper is present in both oxide and sulfide phases. These oxide and sulfide phases of copper are mostly present within the slag phase and to some extent the slag is also embedded inside the oxide and sulfide phases. The recovery of copper values from the discarded slag has been explored by applying a flotation technique using conventional sodium isopropyl xanthate (SIX) as the collector. The effects of flotation parameters such as pH and collector concentration are investigated. Under optimum flotation conditions, it is possible to achieve 21% Cu with more than 80% recovery.</description><identifier>ISSN: 0734-242X</identifier><identifier>EISSN: 1096-3669</identifier><identifier>DOI: 10.1177/0734242X09343943</identifier><identifier>PMID: 19748952</identifier><language>eng</language><publisher>London, England: SAGE Publications</publisher><subject>Copper ; Copper - analysis ; Copper - chemistry ; COPPER ALLOYS (10 TO 40 CU) ; COPPER ALLOYS (40 TO 99.3 CU) ; Electron microscopy ; Fayalite ; Flotation ; Industrial Waste - analysis ; Iron ; Iron - analysis ; Iron - chemistry ; Iron and steel making ; Metallurgy ; Microscopy ; Microscopy, Confocal ; Microscopy, Electron, Scanning ; Optical microscopy ; OXIDES ; pH effects ; PHASES ; Raman spectroscopy ; Recovery ; RECOVERY (HYDROMETALLURGY) ; Scanning electron microscopy ; Silica ; Silicon dioxide ; Silicon Dioxide - analysis ; Silicon Dioxide - chemistry ; Slag ; Slags ; Sodium ; Spectroscopy ; Spectrum Analysis, Raman ; Sulfide ; SULFIDES ; Waste Management ; Waste materials ; X-ray diffraction</subject><ispartof>Waste management & research, 2010-06, Vol.28 (6), p.561-567</ispartof><rights>The Author(s), 2010.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c429t-2f44f9cd781de33007a201c9cd356b3f190ab085b9069e4c94bc2136369010c53</citedby><cites>FETCH-LOGICAL-c429t-2f44f9cd781de33007a201c9cd356b3f190ab085b9069e4c94bc2136369010c53</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://journals.sagepub.com/doi/pdf/10.1177/0734242X09343943$$EPDF$$P50$$Gsage$$H</linktopdf><linktohtml>$$Uhttps://journals.sagepub.com/doi/10.1177/0734242X09343943$$EHTML$$P50$$Gsage$$H</linktohtml><link.rule.ids>314,776,780,21799,27903,27904,43600,43601</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/19748952$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Das, Bisweswar</creatorcontrib><creatorcontrib>Barada Kanta Mishra</creatorcontrib><creatorcontrib>Angadi, Shivakumar</creatorcontrib><creatorcontrib>Siddharth Kumar Pradhan</creatorcontrib><creatorcontrib>Prakash, Sandur</creatorcontrib><creatorcontrib>Mohanty, Jayakrushna</creatorcontrib><title>Characterization and recovery of copper values from discarded slag</title><title>Waste management & research</title><addtitle>Waste Manag Res</addtitle><description>In any copper smelter large quantities of copper slag are discarded as waste material causing space and environmental problems. This discarded slag contains important amounts of metallic values such as copper and iron. The recovery of copper values from an Indian smelter slag that contains 1.53% Cu, 39.8% Fe and 34.65% SiO 2 was the focus of the present study. A complete investigation of the different phases present in the slag has been carried out by means of optical microscopy, Raman spectroscopy, scanning electron microscopy (SEM), and X-ray diffraction (XRD) techniques. It is observed that iron and silica are mostly associated with the fayalite phase whereas copper is present in both oxide and sulfide phases. These oxide and sulfide phases of copper are mostly present within the slag phase and to some extent the slag is also embedded inside the oxide and sulfide phases. The recovery of copper values from the discarded slag has been explored by applying a flotation technique using conventional sodium isopropyl xanthate (SIX) as the collector. The effects of flotation parameters such as pH and collector concentration are investigated. Under optimum flotation conditions, it is possible to achieve 21% Cu with more than 80% recovery.</description><subject>Copper</subject><subject>Copper - analysis</subject><subject>Copper - chemistry</subject><subject>COPPER ALLOYS (10 TO 40 CU)</subject><subject>COPPER ALLOYS (40 TO 99.3 CU)</subject><subject>Electron microscopy</subject><subject>Fayalite</subject><subject>Flotation</subject><subject>Industrial Waste - analysis</subject><subject>Iron</subject><subject>Iron - analysis</subject><subject>Iron - chemistry</subject><subject>Iron and steel making</subject><subject>Metallurgy</subject><subject>Microscopy</subject><subject>Microscopy, Confocal</subject><subject>Microscopy, Electron, Scanning</subject><subject>Optical microscopy</subject><subject>OXIDES</subject><subject>pH effects</subject><subject>PHASES</subject><subject>Raman spectroscopy</subject><subject>Recovery</subject><subject>RECOVERY (HYDROMETALLURGY)</subject><subject>Scanning electron microscopy</subject><subject>Silica</subject><subject>Silicon dioxide</subject><subject>Silicon Dioxide - analysis</subject><subject>Silicon Dioxide - chemistry</subject><subject>Slag</subject><subject>Slags</subject><subject>Sodium</subject><subject>Spectroscopy</subject><subject>Spectrum Analysis, Raman</subject><subject>Sulfide</subject><subject>SULFIDES</subject><subject>Waste Management</subject><subject>Waste materials</subject><subject>X-ray diffraction</subject><issn>0734-242X</issn><issn>1096-3669</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkc9LwzAUx4Mobk7vnqTgQS_V95I0bY46_AUDLwreSpqms6NbZtIO5l9vygbKQD0F8j7v-_0-voScIlwhpuk1pIxTTt9AMs4kZ3tkiCBFzISQ-2TYj-N-PiBH3s8AgGccDskAZcozmdAhuR2_K6d0a1z9qdraLiK1KCNntF0Zt45sFWm7XBoXrVTTGR9Vzs6jsvZaudKUkW_U9JgcVKrx5mT7jsjr_d3L-DGePD88jW8mseZUtjGtOK-kLtMMS8MYQKoooA4_LBEFq1CCKiBLCglCGq4lLzRFJpiQgKATNiIXG92lsx8hS5vPQw7TNGphbOfzlAsULNz_P8kYItAEA3n5J4kiDREQsbc_30FntnOLcHGOkmZZImXWW8OG0s5670yVL109V26dI-R9Z_luZ2HlbCvcFXNTfi9sSwpAvAG8mpofrr8JfgGX9pub</recordid><startdate>201006</startdate><enddate>201006</enddate><creator>Das, Bisweswar</creator><creator>Barada Kanta Mishra</creator><creator>Angadi, Shivakumar</creator><creator>Siddharth Kumar Pradhan</creator><creator>Prakash, Sandur</creator><creator>Mohanty, Jayakrushna</creator><general>SAGE Publications</general><general>Sage Publications Ltd</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>7QO</scope><scope>7QQ</scope><scope>7SC</scope><scope>7SE</scope><scope>7SP</scope><scope>7SR</scope><scope>7ST</scope><scope>7T7</scope><scope>7TA</scope><scope>7TB</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>C1K</scope><scope>F28</scope><scope>FR3</scope><scope>H8D</scope><scope>H8G</scope><scope>JG9</scope><scope>JQ2</scope><scope>KR7</scope><scope>L7M</scope><scope>L~C</scope><scope>L~D</scope><scope>P64</scope><scope>SOI</scope><scope>7SU</scope><scope>7X8</scope><scope>7TV</scope></search><sort><creationdate>201006</creationdate><title>Characterization and recovery of copper values from discarded slag</title><author>Das, Bisweswar ; Barada Kanta Mishra ; Angadi, Shivakumar ; Siddharth Kumar Pradhan ; Prakash, Sandur ; Mohanty, Jayakrushna</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c429t-2f44f9cd781de33007a201c9cd356b3f190ab085b9069e4c94bc2136369010c53</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Copper</topic><topic>Copper - analysis</topic><topic>Copper - chemistry</topic><topic>COPPER ALLOYS (10 TO 40 CU)</topic><topic>COPPER ALLOYS (40 TO 99.3 CU)</topic><topic>Electron microscopy</topic><topic>Fayalite</topic><topic>Flotation</topic><topic>Industrial Waste - analysis</topic><topic>Iron</topic><topic>Iron - analysis</topic><topic>Iron - chemistry</topic><topic>Iron and steel making</topic><topic>Metallurgy</topic><topic>Microscopy</topic><topic>Microscopy, Confocal</topic><topic>Microscopy, Electron, Scanning</topic><topic>Optical microscopy</topic><topic>OXIDES</topic><topic>pH effects</topic><topic>PHASES</topic><topic>Raman spectroscopy</topic><topic>Recovery</topic><topic>RECOVERY (HYDROMETALLURGY)</topic><topic>Scanning electron microscopy</topic><topic>Silica</topic><topic>Silicon dioxide</topic><topic>Silicon Dioxide - analysis</topic><topic>Silicon Dioxide - chemistry</topic><topic>Slag</topic><topic>Slags</topic><topic>Sodium</topic><topic>Spectroscopy</topic><topic>Spectrum Analysis, Raman</topic><topic>Sulfide</topic><topic>SULFIDES</topic><topic>Waste Management</topic><topic>Waste materials</topic><topic>X-ray diffraction</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Das, Bisweswar</creatorcontrib><creatorcontrib>Barada Kanta Mishra</creatorcontrib><creatorcontrib>Angadi, Shivakumar</creatorcontrib><creatorcontrib>Siddharth Kumar Pradhan</creatorcontrib><creatorcontrib>Prakash, Sandur</creatorcontrib><creatorcontrib>Mohanty, Jayakrushna</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>Biotechnology Research Abstracts</collection><collection>Ceramic Abstracts</collection><collection>Computer and Information Systems Abstracts</collection><collection>Corrosion Abstracts</collection><collection>Electronics & Communications Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Environment Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Materials Business File</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Copper Technical Reference Library</collection><collection>Materials Research Database</collection><collection>ProQuest Computer Science Collection</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Computer and Information Systems Abstracts Academic</collection><collection>Computer and Information Systems Abstracts Professional</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Environment Abstracts</collection><collection>Environmental Engineering Abstracts</collection><collection>MEDLINE - Academic</collection><collection>Pollution Abstracts</collection><jtitle>Waste management & research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Das, Bisweswar</au><au>Barada Kanta Mishra</au><au>Angadi, Shivakumar</au><au>Siddharth Kumar Pradhan</au><au>Prakash, Sandur</au><au>Mohanty, Jayakrushna</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Characterization and recovery of copper values from discarded slag</atitle><jtitle>Waste management & research</jtitle><addtitle>Waste Manag Res</addtitle><date>2010-06</date><risdate>2010</risdate><volume>28</volume><issue>6</issue><spage>561</spage><epage>567</epage><pages>561-567</pages><issn>0734-242X</issn><eissn>1096-3669</eissn><abstract>In any copper smelter large quantities of copper slag are discarded as waste material causing space and environmental problems. This discarded slag contains important amounts of metallic values such as copper and iron. The recovery of copper values from an Indian smelter slag that contains 1.53% Cu, 39.8% Fe and 34.65% SiO 2 was the focus of the present study. A complete investigation of the different phases present in the slag has been carried out by means of optical microscopy, Raman spectroscopy, scanning electron microscopy (SEM), and X-ray diffraction (XRD) techniques. It is observed that iron and silica are mostly associated with the fayalite phase whereas copper is present in both oxide and sulfide phases. These oxide and sulfide phases of copper are mostly present within the slag phase and to some extent the slag is also embedded inside the oxide and sulfide phases. The recovery of copper values from the discarded slag has been explored by applying a flotation technique using conventional sodium isopropyl xanthate (SIX) as the collector. The effects of flotation parameters such as pH and collector concentration are investigated. Under optimum flotation conditions, it is possible to achieve 21% Cu with more than 80% recovery.</abstract><cop>London, England</cop><pub>SAGE Publications</pub><pmid>19748952</pmid><doi>10.1177/0734242X09343943</doi><tpages>7</tpages></addata></record> |
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| ispartof | Waste management & research, 2010-06, Vol.28 (6), p.561-567 |
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| subjects | Copper Copper - analysis Copper - chemistry COPPER ALLOYS (10 TO 40 CU) COPPER ALLOYS (40 TO 99.3 CU) Electron microscopy Fayalite Flotation Industrial Waste - analysis Iron Iron - analysis Iron - chemistry Iron and steel making Metallurgy Microscopy Microscopy, Confocal Microscopy, Electron, Scanning Optical microscopy OXIDES pH effects PHASES Raman spectroscopy Recovery RECOVERY (HYDROMETALLURGY) Scanning electron microscopy Silica Silicon dioxide Silicon Dioxide - analysis Silicon Dioxide - chemistry Slag Slags Sodium Spectroscopy Spectrum Analysis, Raman Sulfide SULFIDES Waste Management Waste materials X-ray diffraction |
| title | Characterization and recovery of copper values from discarded slag |
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