Clean smelting method utilizing nickel-molybdenum ore
The invention relates to a clean smelting method utilizing nickel-molybdenum ore. The clean smelting method comprises the following steps that (1) the nickel-molybdenum ore and pyrolusite are subjected to oxidizing roasting after being mixed evenly to obtain roasted clinkers; and (2) the roasted cli...
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| creator | ZHAO TIANYU LIU XUHENG ZHAO ZHONGWEI REN HUICHUAN |
| description | The invention relates to a clean smelting method utilizing nickel-molybdenum ore. The clean smelting method comprises the following steps that (1) the nickel-molybdenum ore and pyrolusite are subjected to oxidizing roasting after being mixed evenly to obtain roasted clinkers; and (2) the roasted clinkers in the step (1) are added into a phosphoric acid solution for a stirring reaction, and after solid-liquid separation, lixivium including nickel, molybdenum and molybdenum is obtained. By means of the method, the problem of SO2 flue gas pollution existing in the nickel-molybdenum ore smelting process for a long time can be solved, meanwhile, the problem that the reduction cost of low-grade pyrolusite is high can be solved, and a new way is provided for resource utilization of the nickel-molybdenum ore and the pyrolusite.
本发明涉及种镍钼矿的清洁冶炼方法，包括如下步骤：1)将镍钼矿和软锰矿混合均匀后进行氧化焙烧，得到焙烧熟料；2)将步骤1)中所述焙烧熟料加入到磷酸溶液中搅拌反应，固液分离后，得到含镍、锰和钼的浸出液。本发明提出的方法可解决长期以来镍钼矿冶炼过程中SO烟气污染的问题，同时还可解决低品位软锰矿还原成本高的问题，为镍钼矿和软锰矿的资源利用提供新的途径。 |
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本发明涉及种镍钼矿的清洁冶炼方法，包括如下步骤：1)将镍钼矿和软锰矿混合均匀后进行氧化焙烧，得到焙烧熟料；2)将步骤1)中所述焙烧熟料加入到磷酸溶液中搅拌反应，固液分离后，得到含镍、锰和钼的浸出液。本发明提出的方法可解决长期以来镍钼矿冶炼过程中SO烟气污染的问题，同时还可解决低品位软锰矿还原成本高的问题，为镍钼矿和软锰矿的资源利用提供新的途径。</description><language>chi ; eng</language><subject>CHEMISTRY ; FERROUS OR NON-FERROUS ALLOYS ; METALLURGY ; PRETREATMENT OF RAW MATERIALS ; PRODUCTION AND REFINING OF METALS ; TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><creationdate>2019</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=20190129&DB=EPODOC&CC=CN&NR=109280764A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25562,76317</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20190129&DB=EPODOC&CC=CN&NR=109280764A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ZHAO TIANYU</creatorcontrib><creatorcontrib>LIU XUHENG</creatorcontrib><creatorcontrib>ZHAO ZHONGWEI</creatorcontrib><creatorcontrib>REN HUICHUAN</creatorcontrib><title>Clean smelting method utilizing nickel-molybdenum ore</title><description>The invention relates to a clean smelting method utilizing nickel-molybdenum ore. The clean smelting method comprises the following steps that (1) the nickel-molybdenum ore and pyrolusite are subjected to oxidizing roasting after being mixed evenly to obtain roasted clinkers; and (2) the roasted clinkers in the step (1) are added into a phosphoric acid solution for a stirring reaction, and after solid-liquid separation, lixivium including nickel, molybdenum and molybdenum is obtained. By means of the method, the problem of SO2 flue gas pollution existing in the nickel-molybdenum ore smelting process for a long time can be solved, meanwhile, the problem that the reduction cost of low-grade pyrolusite is high can be solved, and a new way is provided for resource utilization of the nickel-molybdenum ore and the pyrolusite.
本发明涉及种镍钼矿的清洁冶炼方法，包括如下步骤：1)将镍钼矿和软锰矿混合均匀后进行氧化焙烧，得到焙烧熟料；2)将步骤1)中所述焙烧熟料加入到磷酸溶液中搅拌反应，固液分离后，得到含镍、锰和钼的浸出液。本发明提出的方法可解决长期以来镍钼矿冶炼过程中SO烟气污染的问题，同时还可解决低品位软锰矿还原成本高的问题，为镍钼矿和软锰矿的资源利用提供新的途径。</description><subject>CHEMISTRY</subject><subject>FERROUS OR NON-FERROUS ALLOYS</subject><subject>METALLURGY</subject><subject>PRETREATMENT OF RAW MATERIALS</subject><subject>PRODUCTION AND REFINING OF METALS</subject><subject>TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2019</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDB1zklNzFMozk3NKcnMS1fITS3JyE9RKC3JzMmsAgnkZSZnp-bo5ubnVCalpOaV5irkF6XyMLCmJeYUp_JCaW4GRTfXEGcP3dSC_PjU4oLE5NS81JJ4Zz9DA0sjCwNzMxNHY2LUAACOhS2R</recordid><startdate>20190129</startdate><enddate>20190129</enddate><creator>ZHAO TIANYU</creator><creator>LIU XUHENG</creator><creator>ZHAO ZHONGWEI</creator><creator>REN HUICHUAN</creator><scope>EVB</scope></search><sort><creationdate>20190129</creationdate><title>Clean smelting method utilizing nickel-molybdenum ore</title><author>ZHAO TIANYU ; LIU XUHENG ; ZHAO ZHONGWEI ; REN HUICHUAN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN109280764A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2019</creationdate><topic>CHEMISTRY</topic><topic>FERROUS OR NON-FERROUS ALLOYS</topic><topic>METALLURGY</topic><topic>PRETREATMENT OF RAW MATERIALS</topic><topic>PRODUCTION AND REFINING OF METALS</topic><topic>TREATMENT OF ALLOYS OR NON-FERROUS METALS</topic><toplevel>online_resources</toplevel><creatorcontrib>ZHAO TIANYU</creatorcontrib><creatorcontrib>LIU XUHENG</creatorcontrib><creatorcontrib>ZHAO ZHONGWEI</creatorcontrib><creatorcontrib>REN HUICHUAN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>ZHAO TIANYU</au><au>LIU XUHENG</au><au>ZHAO ZHONGWEI</au><au>REN HUICHUAN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Clean smelting method utilizing nickel-molybdenum ore</title><date>2019-01-29</date><risdate>2019</risdate><abstract>The invention relates to a clean smelting method utilizing nickel-molybdenum ore. The clean smelting method comprises the following steps that (1) the nickel-molybdenum ore and pyrolusite are subjected to oxidizing roasting after being mixed evenly to obtain roasted clinkers; and (2) the roasted clinkers in the step (1) are added into a phosphoric acid solution for a stirring reaction, and after solid-liquid separation, lixivium including nickel, molybdenum and molybdenum is obtained. By means of the method, the problem of SO2 flue gas pollution existing in the nickel-molybdenum ore smelting process for a long time can be solved, meanwhile, the problem that the reduction cost of low-grade pyrolusite is high can be solved, and a new way is provided for resource utilization of the nickel-molybdenum ore and the pyrolusite.
本发明涉及种镍钼矿的清洁冶炼方法，包括如下步骤：1)将镍钼矿和软锰矿混合均匀后进行氧化焙烧，得到焙烧熟料；2)将步骤1)中所述焙烧熟料加入到磷酸溶液中搅拌反应，固液分离后，得到含镍、锰和钼的浸出液。本发明提出的方法可解决长期以来镍钼矿冶炼过程中SO烟气污染的问题，同时还可解决低品位软锰矿还原成本高的问题，为镍钼矿和软锰矿的资源利用提供新的途径。</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMISTRY FERROUS OR NON-FERROUS ALLOYS METALLURGY PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS TREATMENT OF ALLOYS OR NON-FERROUS METALS |
| title | Clean smelting method utilizing nickel-molybdenum ore |
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