An effective approach for improving flotation recovery of molybdenite fines from a finely-disseminated molybdenum ore
An effective flotation approach is proposed for improving the recovery of molybdenite fines from a finely-disseminated molybdenum ore. To maximize the flotation recovery of molybdenum, process mineralogy of raw ore, contrast tests, optimization of operation conditions and particle size analysis were...
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| Veröffentlicht in: | Journal of Central South University 2018-06, Vol.25 (6), p.1326-1339 |
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| container_title | Journal of Central South University |
| container_volume | 25 |
| creator | Lin, Qing-quan Gu, Guo-hua Wang, Hui Wang, Chong-qing Liu, You-cai Fu, Jian-gang Zhu, Ren-feng |
| description | An effective flotation approach is proposed for improving the recovery of molybdenite fines from a finely-disseminated molybdenum ore. To maximize the flotation recovery of molybdenum, process mineralogy of raw ore, contrast tests, optimization of operation conditions and particle size analysis were systematically investigated. Process mineralogy suggests that in the raw ore, 61.63% of molybdenite particles distribute in the |
| doi_str_mv | 10.1007/s11771-018-3829-1 |
| format | Article |
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d
50
p
), agglomerates (
d
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a
) and the molybdenum recovery. In addition, industrial tests illustrate that compared with the Mo-S bulk flotation approach, OAF process not only increases Mo recovery and grade of molybdenum concentrate by 22.75% and 17.47% respectively, but also achieves a sulfur concentrate with a superior grade of 38.92%.</description><identifier>ISSN: 2095-2899</identifier><identifier>EISSN: 2227-5223</identifier><identifier>DOI: 10.1007/s11771-018-3829-1</identifier><language>eng</language><publisher>Changsha: Central South University</publisher><subject>Agglomerates ; Bulk flotation ; Concentrates (ores) ; Engineering ; Metallic Materials ; Mica ; Mineralogy ; Molybdenite ; Molybdenum ; Molybdenum ores ; Muscovite ; Pyrite ; Recovery</subject><ispartof>Journal of Central South University, 2018-06, Vol.25 (6), p.1326-1339</ispartof><rights>Central South University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2018</rights><rights>Copyright Springer Science & Business Media 2018</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c353t-d3172f8659c8b5eec16a4b6eb711af1d097e83ee4eedf9931e395935f8e257ac3</citedby><cites>FETCH-LOGICAL-c353t-d3172f8659c8b5eec16a4b6eb711af1d097e83ee4eedf9931e395935f8e257ac3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11771-018-3829-1$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11771-018-3829-1$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27903,27904,41467,42536,51297</link.rule.ids></links><search><creatorcontrib>Lin, Qing-quan</creatorcontrib><creatorcontrib>Gu, Guo-hua</creatorcontrib><creatorcontrib>Wang, Hui</creatorcontrib><creatorcontrib>Wang, Chong-qing</creatorcontrib><creatorcontrib>Liu, You-cai</creatorcontrib><creatorcontrib>Fu, Jian-gang</creatorcontrib><creatorcontrib>Zhu, Ren-feng</creatorcontrib><title>An effective approach for improving flotation recovery of molybdenite fines from a finely-disseminated molybdenum ore</title><title>Journal of Central South University</title><addtitle>J. Cent. South Univ</addtitle><description>An effective flotation approach is proposed for improving the recovery of molybdenite fines from a finely-disseminated molybdenum ore. To maximize the flotation recovery of molybdenum, process mineralogy of raw ore, contrast tests, optimization of operation conditions and particle size analysis were systematically investigated. Process mineralogy suggests that in the raw ore, 61.63% of molybdenite particles distribute in the <20 μm size fraction, and intergrow with muscovite and pyrite as the contained and disseminated type. Contrast tests indicate that conventional flotation responds to poor collection efficiency for particles less than 25 μm. Oil agglomerate flotation (OAF) process demonstrates an obvious superiority in improving the flotation recovery of molybdenite fines. Furthermore, the flotation results of OAF process reveal that the dosage of transformer oil plays a critical role on the average size of collected mineral particles (
d
50
p
), agglomerates (
d
50
a
) and the molybdenum recovery. In addition, industrial tests illustrate that compared with the Mo-S bulk flotation approach, OAF process not only increases Mo recovery and grade of molybdenum concentrate by 22.75% and 17.47% respectively, but also achieves a sulfur concentrate with a superior grade of 38.92%.</description><subject>Agglomerates</subject><subject>Bulk flotation</subject><subject>Concentrates (ores)</subject><subject>Engineering</subject><subject>Metallic Materials</subject><subject>Mica</subject><subject>Mineralogy</subject><subject>Molybdenite</subject><subject>Molybdenum</subject><subject>Molybdenum ores</subject><subject>Muscovite</subject><subject>Pyrite</subject><subject>Recovery</subject><issn>2095-2899</issn><issn>2227-5223</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNp1kE9LxDAQxYsouKz7AbwFPEczybZNjsviP1jwoueQppM10jZr0i7029u1oidPMw9-7w3zsuwa2C0wVt4lgLIEykBSIbmicJYtOOclzTkX59POVE65VOoyW6XkKyaAF6JQxSIbNh1B59D2_ojEHA4xGPtOXIjEt5M4-m5PXBN60_vQkYg2HDGOJDjShmasaux8j8T5DhNxMbTEfItmpLVPCVvfmR7rX3hoSYh4lV040yRc_cxl9vZw_7p9oruXx-ftZketyEVPawEld7LIlZVVjmihMOuqwKoEMA5qpkqUAnGNWDulBKBQuRK5k8jz0lixzG7m3OmTzwFTrz_CELvppOaskGsoJGMTBTNlY0gpotOH6FsTRw1MnwrWc8F6KlifCtYwefjsSRPb7TH-Jf9v-gIrNYB6</recordid><startdate>20180601</startdate><enddate>20180601</enddate><creator>Lin, Qing-quan</creator><creator>Gu, Guo-hua</creator><creator>Wang, Hui</creator><creator>Wang, Chong-qing</creator><creator>Liu, You-cai</creator><creator>Fu, Jian-gang</creator><creator>Zhu, Ren-feng</creator><general>Central South University</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20180601</creationdate><title>An effective approach for improving flotation recovery of molybdenite fines from a finely-disseminated molybdenum ore</title><author>Lin, Qing-quan ; Gu, Guo-hua ; Wang, Hui ; Wang, Chong-qing ; Liu, You-cai ; Fu, Jian-gang ; Zhu, Ren-feng</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c353t-d3172f8659c8b5eec16a4b6eb711af1d097e83ee4eedf9931e395935f8e257ac3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Agglomerates</topic><topic>Bulk flotation</topic><topic>Concentrates (ores)</topic><topic>Engineering</topic><topic>Metallic Materials</topic><topic>Mica</topic><topic>Mineralogy</topic><topic>Molybdenite</topic><topic>Molybdenum</topic><topic>Molybdenum ores</topic><topic>Muscovite</topic><topic>Pyrite</topic><topic>Recovery</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lin, Qing-quan</creatorcontrib><creatorcontrib>Gu, Guo-hua</creatorcontrib><creatorcontrib>Wang, Hui</creatorcontrib><creatorcontrib>Wang, Chong-qing</creatorcontrib><creatorcontrib>Liu, You-cai</creatorcontrib><creatorcontrib>Fu, Jian-gang</creatorcontrib><creatorcontrib>Zhu, Ren-feng</creatorcontrib><collection>CrossRef</collection><jtitle>Journal of Central South University</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lin, Qing-quan</au><au>Gu, Guo-hua</au><au>Wang, Hui</au><au>Wang, Chong-qing</au><au>Liu, You-cai</au><au>Fu, Jian-gang</au><au>Zhu, Ren-feng</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>An effective approach for improving flotation recovery of molybdenite fines from a finely-disseminated molybdenum ore</atitle><jtitle>Journal of Central South University</jtitle><stitle>J. Cent. South Univ</stitle><date>2018-06-01</date><risdate>2018</risdate><volume>25</volume><issue>6</issue><spage>1326</spage><epage>1339</epage><pages>1326-1339</pages><issn>2095-2899</issn><eissn>2227-5223</eissn><abstract>An effective flotation approach is proposed for improving the recovery of molybdenite fines from a finely-disseminated molybdenum ore. To maximize the flotation recovery of molybdenum, process mineralogy of raw ore, contrast tests, optimization of operation conditions and particle size analysis were systematically investigated. Process mineralogy suggests that in the raw ore, 61.63% of molybdenite particles distribute in the <20 μm size fraction, and intergrow with muscovite and pyrite as the contained and disseminated type. Contrast tests indicate that conventional flotation responds to poor collection efficiency for particles less than 25 μm. Oil agglomerate flotation (OAF) process demonstrates an obvious superiority in improving the flotation recovery of molybdenite fines. Furthermore, the flotation results of OAF process reveal that the dosage of transformer oil plays a critical role on the average size of collected mineral particles (
d
50
p
), agglomerates (
d
50
a
) and the molybdenum recovery. In addition, industrial tests illustrate that compared with the Mo-S bulk flotation approach, OAF process not only increases Mo recovery and grade of molybdenum concentrate by 22.75% and 17.47% respectively, but also achieves a sulfur concentrate with a superior grade of 38.92%.</abstract><cop>Changsha</cop><pub>Central South University</pub><doi>10.1007/s11771-018-3829-1</doi><tpages>14</tpages></addata></record> |
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| subjects | Agglomerates Bulk flotation Concentrates (ores) Engineering Metallic Materials Mica Mineralogy Molybdenite Molybdenum Molybdenum ores Muscovite Pyrite Recovery |
| title | An effective approach for improving flotation recovery of molybdenite fines from a finely-disseminated molybdenum ore |
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