Slag form control treatment method for gold concentrates wrapped by pyrites
The invention discloses a slag form control treatment method for gold concentrates wrapped by pyrites. The method comprises the following steps that (1) the gold concentrates wrapped by the pyrites are prepared into acidized ore pulp; (2) after CuSO4 is added to the acidized ore pulp, the acidized o...
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| creator | GAN YONGGANG HUANG HUAIGUO XU XIAOYANG WANG CHUN ZHUANG RONGCHUAN DING WENTAO YE ZHIYONG LIN HONGHAN JI CHANGQING FAN DAOYAN |
| description | The invention discloses a slag form control treatment method for gold concentrates wrapped by pyrites. The method comprises the following steps that (1) the gold concentrates wrapped by the pyrites are prepared into acidized ore pulp; (2) after CuSO4 is added to the acidized ore pulp, the acidized ore pulp and the CuSO4 are subjected to hot-pressing pre-oxidation to obtain oxidized ore pulp; (3) the oxidized ore pulp is subjected to thickening washing to obtain underflow oxidizing slag and overflow acid liquor; (4) the underflow oxidizing slag is subjected to alkali quantity adjustment and cyaniding; (5) the overflow acid liquor is subjected to iron precipitation through a goethite process, and part of sulfate radicals are removed; (6) a material obtained in the step (5) is subjected to thickening to obtain underflow and overflow liquid; (7) the overflow liquid is returned to the step (1) to participate in acidizing treatment; (8) seed crystals in part of the underflow obtained in the step (6) are returned to |
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The method comprises the following steps that (1) the gold concentrates wrapped by the pyrites are prepared into acidized ore pulp; (2) after CuSO4 is added to the acidized ore pulp, the acidized ore pulp and the CuSO4 are subjected to hot-pressing pre-oxidation to obtain oxidized ore pulp; (3) the oxidized ore pulp is subjected to thickening washing to obtain underflow oxidizing slag and overflow acid liquor; (4) the underflow oxidizing slag is subjected to alkali quantity adjustment and cyaniding; (5) the overflow acid liquor is subjected to iron precipitation through a goethite process, and part of sulfate radicals are removed; (6) a material obtained in the step (5) is subjected to thickening to obtain underflow and overflow liquid; (7) the overflow liquid is returned to the step (1) to participate in acidizing treatment; (8) seed crystals in part of the underflow obtained in the step (6) are returned to</description><language>chi ; eng</language><subject>CHEMISTRY ; CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS ; FERROUS OR NON-FERROUS ALLOYS ; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC ; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS ; METALLURGY ; PRETREATMENT OF RAW MATERIALS ; PRODUCTION AND REFINING OF METALS ; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE ; TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><creationdate>2016</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20160921&DB=EPODOC&CC=CN&NR=105950885A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20160921&DB=EPODOC&CC=CN&NR=105950885A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>GAN YONGGANG</creatorcontrib><creatorcontrib>HUANG HUAIGUO</creatorcontrib><creatorcontrib>XU XIAOYANG</creatorcontrib><creatorcontrib>WANG CHUN</creatorcontrib><creatorcontrib>ZHUANG RONGCHUAN</creatorcontrib><creatorcontrib>DING WENTAO</creatorcontrib><creatorcontrib>YE ZHIYONG</creatorcontrib><creatorcontrib>LIN HONGHAN</creatorcontrib><creatorcontrib>JI CHANGQING</creatorcontrib><creatorcontrib>FAN DAOYAN</creatorcontrib><title>Slag form control treatment method for gold concentrates wrapped by pyrites</title><description>The invention discloses a slag form control treatment method for gold concentrates wrapped by pyrites. 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The method comprises the following steps that (1) the gold concentrates wrapped by the pyrites are prepared into acidized ore pulp; (2) after CuSO4 is added to the acidized ore pulp, the acidized ore pulp and the CuSO4 are subjected to hot-pressing pre-oxidation to obtain oxidized ore pulp; (3) the oxidized ore pulp is subjected to thickening washing to obtain underflow oxidizing slag and overflow acid liquor; (4) the underflow oxidizing slag is subjected to alkali quantity adjustment and cyaniding; (5) the overflow acid liquor is subjected to iron precipitation through a goethite process, and part of sulfate radicals are removed; (6) a material obtained in the step (5) is subjected to thickening to obtain underflow and overflow liquid; (7) the overflow liquid is returned to the step (1) to participate in acidizing treatment; (8) seed crystals in part of the underflow obtained in the step (6) are returned to</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS FERROUS OR NON-FERROUS ALLOYS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS METALLURGY PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TREATMENT OF ALLOYS OR NON-FERROUS METALS |
| title | Slag form control treatment method for gold concentrates wrapped by pyrites |
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