Two-grade curing vanadium extraction method for stone coal vanadium ores
The invention provides a two-grade curing vanadium extraction method for stone coal vanadium ores. The two-grade curing vanadium extraction method comprises the following steps: (1) firstly, crushing and grinding the stone coal vanadium ores, adding water and concentrated sulfuric acid into the crus...
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| creator | MA YIQIAN FENG ZHIMIN SHE ZONGHUA NING SHUNMING XING XUEYONG WU JIANGHUA WAN HONGQIANG WANG WENJUAN |
| description | The invention provides a two-grade curing vanadium extraction method for stone coal vanadium ores. The two-grade curing vanadium extraction method comprises the following steps: (1) firstly, crushing and grinding the stone coal vanadium ores, adding water and concentrated sulfuric acid into the crushed and grinded mineral powder, and stirring evenly to obtain a mixture; (2) curing the mixture at a higher curing temperature to obtain a clinker, then leaching the clinker with water, and carrying out liquid-solid separation to obtain a first-grade vanadium-containing leaching solution and first-grade leaching residues; (3) directly curing the first-grade leaching residues by heating at a low temperature under the condition of adding no additional concentrated sulfuric acid or water to obtain a clinker, leaching the clinker with water, and carrying out liquid-solid separation to obtain a second-grade vanadium-containing leaching solution and second-grade leaching residues; (4) mixing the first-grade vanadium-containing leaching solution with the second-grade vanadium-containing leaching solution. By adopting the two-grade curing vanadium extraction method provided by the invention, the adverse effect of a curing side reaction on vanadium extraction is effectively reduced, the leaching efficiency of vanadium is greatly improved on the basis of the traditional curing vanadium extraction technology, the cost is controllable and the utilization rate of energy resources is high. |
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The two-grade curing vanadium extraction method comprises the following steps: (1) firstly, crushing and grinding the stone coal vanadium ores, adding water and concentrated sulfuric acid into the crushed and grinded mineral powder, and stirring evenly to obtain a mixture; (2) curing the mixture at a higher curing temperature to obtain a clinker, then leaching the clinker with water, and carrying out liquid-solid separation to obtain a first-grade vanadium-containing leaching solution and first-grade leaching residues; (3) directly curing the first-grade leaching residues by heating at a low temperature under the condition of adding no additional concentrated sulfuric acid or water to obtain a clinker, leaching the clinker with water, and carrying out liquid-solid separation to obtain a second-grade vanadium-containing leaching solution and second-grade leaching residues; (4) mixing the first-grade vanadium-containing leaching solution with the second-grade vanadium-containing leaching solution. By adopting the two-grade curing vanadium extraction method provided by the invention, the adverse effect of a curing side reaction on vanadium extraction is effectively reduced, the leaching efficiency of vanadium is greatly improved on the basis of the traditional curing vanadium extraction technology, the cost is controllable and the utilization rate of energy resources is high.</description><language>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>2015</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=20150325&DB=EPODOC&CC=CN&NR=104451201A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76293</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20150325&DB=EPODOC&CC=CN&NR=104451201A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MA YIQIAN</creatorcontrib><creatorcontrib>FENG ZHIMIN</creatorcontrib><creatorcontrib>SHE ZONGHUA</creatorcontrib><creatorcontrib>NING SHUNMING</creatorcontrib><creatorcontrib>XING XUEYONG</creatorcontrib><creatorcontrib>WU JIANGHUA</creatorcontrib><creatorcontrib>WAN HONGQIANG</creatorcontrib><creatorcontrib>WANG WENJUAN</creatorcontrib><title>Two-grade curing vanadium extraction method for stone coal vanadium ores</title><description>The invention provides a two-grade curing vanadium extraction method for stone coal vanadium ores. The two-grade curing vanadium extraction method comprises the following steps: (1) firstly, crushing and grinding the stone coal vanadium ores, adding water and concentrated sulfuric acid into the crushed and grinded mineral powder, and stirring evenly to obtain a mixture; (2) curing the mixture at a higher curing temperature to obtain a clinker, then leaching the clinker with water, and carrying out liquid-solid separation to obtain a first-grade vanadium-containing leaching solution and first-grade leaching residues; (3) directly curing the first-grade leaching residues by heating at a low temperature under the condition of adding no additional concentrated sulfuric acid or water to obtain a clinker, leaching the clinker with water, and carrying out liquid-solid separation to obtain a second-grade vanadium-containing leaching solution and second-grade leaching residues; (4) mixing the first-grade vanadium-containing leaching solution with the second-grade vanadium-containing leaching solution. By adopting the two-grade curing vanadium extraction method provided by the invention, the adverse effect of a curing side reaction on vanadium extraction is effectively reduced, the leaching efficiency of vanadium is greatly improved on the basis of the traditional curing vanadium extraction technology, the cost is controllable and the utilization rate of energy resources is high.</description><subject>CHEMISTRY</subject><subject>CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS</subject><subject>FERROUS OR NON-FERROUS ALLOYS</subject><subject>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</subject><subject>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</subject><subject>METALLURGY</subject><subject>PRETREATMENT OF RAW MATERIALS</subject><subject>PRODUCTION AND REFINING OF METALS</subject><subject>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</subject><subject>TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE</subject><subject>TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2015</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZPAIKc_XTS9KTElVSC4tysxLVyhLzEtMySzNVUitKClKTC7JzM9TyE0tychPUUjLL1IoLsnPA6rNT8xBqMwvSi3mYWBNS8wpTuWF0twMim6uIc4euqkF-fGpxQWJyal5qSXxzn6GBiYmpoZGBoaOxsSoAQC2oTRZ</recordid><startdate>20150325</startdate><enddate>20150325</enddate><creator>MA YIQIAN</creator><creator>FENG ZHIMIN</creator><creator>SHE ZONGHUA</creator><creator>NING SHUNMING</creator><creator>XING XUEYONG</creator><creator>WU JIANGHUA</creator><creator>WAN HONGQIANG</creator><creator>WANG WENJUAN</creator><scope>EVB</scope></search><sort><creationdate>20150325</creationdate><title>Two-grade curing vanadium extraction method for stone coal vanadium ores</title><author>MA YIQIAN ; FENG ZHIMIN ; SHE ZONGHUA ; NING SHUNMING ; XING XUEYONG ; WU JIANGHUA ; WAN HONGQIANG ; WANG WENJUAN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN104451201A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2015</creationdate><topic>CHEMISTRY</topic><topic>CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS</topic><topic>FERROUS OR NON-FERROUS ALLOYS</topic><topic>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</topic><topic>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</topic><topic>METALLURGY</topic><topic>PRETREATMENT OF RAW MATERIALS</topic><topic>PRODUCTION AND REFINING OF METALS</topic><topic>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</topic><topic>TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE</topic><topic>TREATMENT OF ALLOYS OR NON-FERROUS METALS</topic><toplevel>online_resources</toplevel><creatorcontrib>MA YIQIAN</creatorcontrib><creatorcontrib>FENG ZHIMIN</creatorcontrib><creatorcontrib>SHE ZONGHUA</creatorcontrib><creatorcontrib>NING SHUNMING</creatorcontrib><creatorcontrib>XING XUEYONG</creatorcontrib><creatorcontrib>WU JIANGHUA</creatorcontrib><creatorcontrib>WAN HONGQIANG</creatorcontrib><creatorcontrib>WANG WENJUAN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>MA YIQIAN</au><au>FENG ZHIMIN</au><au>SHE ZONGHUA</au><au>NING SHUNMING</au><au>XING XUEYONG</au><au>WU JIANGHUA</au><au>WAN HONGQIANG</au><au>WANG WENJUAN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Two-grade curing vanadium extraction method for stone coal vanadium ores</title><date>2015-03-25</date><risdate>2015</risdate><abstract>The invention provides a two-grade curing vanadium extraction method for stone coal vanadium ores. The two-grade curing vanadium extraction method comprises the following steps: (1) firstly, crushing and grinding the stone coal vanadium ores, adding water and concentrated sulfuric acid into the crushed and grinded mineral powder, and stirring evenly to obtain a mixture; (2) curing the mixture at a higher curing temperature to obtain a clinker, then leaching the clinker with water, and carrying out liquid-solid separation to obtain a first-grade vanadium-containing leaching solution and first-grade leaching residues; (3) directly curing the first-grade leaching residues by heating at a low temperature under the condition of adding no additional concentrated sulfuric acid or water to obtain a clinker, leaching the clinker with water, and carrying out liquid-solid separation to obtain a second-grade vanadium-containing leaching solution and second-grade leaching residues; (4) mixing the first-grade vanadium-containing leaching solution with the second-grade vanadium-containing leaching solution. By adopting the two-grade curing vanadium extraction method provided by the invention, the adverse effect of a curing side reaction on vanadium extraction is effectively reduced, the leaching efficiency of vanadium is greatly improved on the basis of the traditional curing vanadium extraction technology, the cost is controllable and the utilization rate of energy resources is high.</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 | Two-grade curing vanadium extraction method for stone coal vanadium ores |
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