Method for removing arsenic in tungsten smelting waste slag
The invention discloses a method for removing arsenic in tungsten smelting waste slag. The method comprises the steps that (1), the tungsten smelting waste slag and sodium salt are mixed, and a mixedmaterial is obtained; (2), calcining treatment is conducted on the mixed material, and a calcined mat...
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creator | XU GUOZUAN ZHANG QIULIN LYU JIANGTAO LAI XINGREN YANG ZHENGFENG DENG DENGFEI XIE FUXU FU YU XU LIQIANG ZHAO LIFU |
description | The invention discloses a method for removing arsenic in tungsten smelting waste slag. The method comprises the steps that (1), the tungsten smelting waste slag and sodium salt are mixed, and a mixedmaterial is obtained; (2), calcining treatment is conducted on the mixed material, and a calcined material is obtained; (3), the calcined material is levigated and then mixed with water, solid-liquidseparation is conducted, and arsenic-containing liquid and dearsenization slag are obtained; and (4), ion exchange treatment is conducted on the arsenic-containing liquid, and tungsten-containing stripping liquid and arsenic-containing after-exchange liquid are obtained. According to the method, the content of arsenic in the tungsten smelting waste slag can be decreased to be not higher than 0.1%,and the significant economic benefit and environmental benefit are achieved.
本发明公开了一种钨冶炼废渣除砷的方法。该方法包括:(1)将钨冶炼废渣与钠盐混合,得到混合物料;(2)将所述混合物料进行煅烧处理,得到煅烧物料;(3)将所述煅烧物料磨细后与水混合,并进行固液分离,得到含砷液和脱砷渣;(4)将所述含砷液进行离子交换处理,得到含钨解吸液和含砷交后液。该方法可将钨冶炼废渣 |
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本发明公开了一种钨冶炼废渣除砷的方法。该方法包括:(1)将钨冶炼废渣与钠盐混合,得到混合物料;(2)将所述混合物料进行煅烧处理,得到煅烧物料;(3)将所述煅烧物料磨细后与水混合,并进行固液分离,得到含砷液和脱砷渣;(4)将所述含砷液进行离子交换处理,得到含钨解吸液和含砷交后液。该方法可将钨冶炼废渣</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=20190802&DB=EPODOC&CC=CN&NR=110079664A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20190802&DB=EPODOC&CC=CN&NR=110079664A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>XU GUOZUAN</creatorcontrib><creatorcontrib>ZHANG QIULIN</creatorcontrib><creatorcontrib>LYU JIANGTAO</creatorcontrib><creatorcontrib>LAI XINGREN</creatorcontrib><creatorcontrib>YANG ZHENGFENG</creatorcontrib><creatorcontrib>DENG DENGFEI</creatorcontrib><creatorcontrib>XIE FUXU</creatorcontrib><creatorcontrib>FU YU</creatorcontrib><creatorcontrib>XU LIQIANG</creatorcontrib><creatorcontrib>ZHAO LIFU</creatorcontrib><title>Method for removing arsenic in tungsten smelting waste slag</title><description>The invention discloses a method for removing arsenic in tungsten smelting waste slag. The method comprises the steps that (1), the tungsten smelting waste slag and sodium salt are mixed, and a mixedmaterial is obtained; (2), calcining treatment is conducted on the mixed material, and a calcined material is obtained; (3), the calcined material is levigated and then mixed with water, solid-liquidseparation is conducted, and arsenic-containing liquid and dearsenization slag are obtained; and (4), ion exchange treatment is conducted on the arsenic-containing liquid, and tungsten-containing stripping liquid and arsenic-containing after-exchange liquid are obtained. According to the method, the content of arsenic in the tungsten smelting waste slag can be decreased to be not higher than 0.1%,and the significant economic benefit and environmental benefit are achieved.
本发明公开了一种钨冶炼废渣除砷的方法。该方法包括:(1)将钨冶炼废渣与钠盐混合,得到混合物料;(2)将所述混合物料进行煅烧处理,得到煅烧物料;(3)将所述煅烧物料磨细后与水混合,并进行固液分离,得到含砷液和脱砷渣;(4)将所述含砷液进行离子交换处理,得到含钨解吸液和含砷交后液。该方法可将钨冶炼废渣</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>eNrjZLD2TS3JyE9RSMsvUihKzc0vy8xLV0gsKk7Ny0xWyMxTKCnNSy8uSc1TKM5NzSkBSZYnAvkKxTmJ6TwMrGmJOcWpvFCam0HRzTXE2UM3tSA_PrW4IDE5NS-1JN7Zz9DQwMDc0szMxNGYGDUAwEUvlw</recordid><startdate>20190802</startdate><enddate>20190802</enddate><creator>XU GUOZUAN</creator><creator>ZHANG QIULIN</creator><creator>LYU JIANGTAO</creator><creator>LAI XINGREN</creator><creator>YANG ZHENGFENG</creator><creator>DENG DENGFEI</creator><creator>XIE FUXU</creator><creator>FU YU</creator><creator>XU LIQIANG</creator><creator>ZHAO LIFU</creator><scope>EVB</scope></search><sort><creationdate>20190802</creationdate><title>Method for removing arsenic in tungsten smelting waste slag</title><author>XU GUOZUAN ; ZHANG QIULIN ; LYU JIANGTAO ; LAI XINGREN ; YANG ZHENGFENG ; DENG DENGFEI ; XIE FUXU ; FU YU ; XU LIQIANG ; ZHAO LIFU</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN110079664A3</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>XU GUOZUAN</creatorcontrib><creatorcontrib>ZHANG QIULIN</creatorcontrib><creatorcontrib>LYU JIANGTAO</creatorcontrib><creatorcontrib>LAI XINGREN</creatorcontrib><creatorcontrib>YANG ZHENGFENG</creatorcontrib><creatorcontrib>DENG DENGFEI</creatorcontrib><creatorcontrib>XIE FUXU</creatorcontrib><creatorcontrib>FU YU</creatorcontrib><creatorcontrib>XU LIQIANG</creatorcontrib><creatorcontrib>ZHAO LIFU</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>XU GUOZUAN</au><au>ZHANG QIULIN</au><au>LYU JIANGTAO</au><au>LAI XINGREN</au><au>YANG ZHENGFENG</au><au>DENG DENGFEI</au><au>XIE FUXU</au><au>FU YU</au><au>XU LIQIANG</au><au>ZHAO LIFU</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Method for removing arsenic in tungsten smelting waste slag</title><date>2019-08-02</date><risdate>2019</risdate><abstract>The invention discloses a method for removing arsenic in tungsten smelting waste slag. The method comprises the steps that (1), the tungsten smelting waste slag and sodium salt are mixed, and a mixedmaterial is obtained; (2), calcining treatment is conducted on the mixed material, and a calcined material is obtained; (3), the calcined material is levigated and then mixed with water, solid-liquidseparation is conducted, and arsenic-containing liquid and dearsenization slag are obtained; and (4), ion exchange treatment is conducted on the arsenic-containing liquid, and tungsten-containing stripping liquid and arsenic-containing after-exchange liquid are obtained. According to the method, the content of arsenic in the tungsten smelting waste slag can be decreased to be not higher than 0.1%,and the significant economic benefit and environmental benefit are achieved.
本发明公开了一种钨冶炼废渣除砷的方法。该方法包括:(1)将钨冶炼废渣与钠盐混合,得到混合物料;(2)将所述混合物料进行煅烧处理,得到煅烧物料;(3)将所述煅烧物料磨细后与水混合,并进行固液分离,得到含砷液和脱砷渣;(4)将所述含砷液进行离子交换处理,得到含钨解吸液和含砷交后液。该方法可将钨冶炼废渣</abstract><oa>free_for_read</oa></addata></record> |
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title | Method for removing arsenic in tungsten smelting waste slag |
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