Method for preparing ammonium chloride by evaporating ionic rare earth separated high-salinity wastewater
The invention discloses a method for preparing ammonium chloride by evaporating ionic rare earth separation high-salinity wastewater, which comprises the following steps: adding an alkaline substance into the ionic rare earth separation high-salinity wastewater, and carrying out solid-liquid separat...
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| creator | LIU ZHIQIANG HAN XINFU YAN BO CAO YUAN QIN GUANGZONG LING CHENG LIN HAO MA BAILONG HAN XIAOYAN LI CHUNDE YUAN XIUJUAN LIU HONGPING YANG QINGYU LIN YONGSHEN HAN JINCHENG |
| description | The invention discloses a method for preparing ammonium chloride by evaporating ionic rare earth separation high-salinity wastewater, which comprises the following steps: adding an alkaline substance into the ionic rare earth separation high-salinity wastewater, and carrying out solid-liquid separation to obtain impurity-removed pretreated wastewater; wherein the ionic rare earth separation high-salinity wastewater comprises ammonium chloride; carrying out evaporative crystallization on the pretreated wastewater until the volume is reduced to 10-30%, and carrying out solid-liquid separation to obtain an ammonium chloride product and crystallization mother liquor; and extracting the crystallization mother liquor by adopting an organic phase containing an extracting agent, carrying out phase splitting to obtain raffinate, combining the raffinate with the pretreated wastewater, and repeating the evaporative crystallization step. According to the method for preparing the ammonium chloride through evaporation of t |
| format | Patent |
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According to the method for preparing the ammonium chloride through evaporation of t</description><subject>AMMONIA</subject><subject>CHEMISTRY</subject><subject>COMPOUNDS THEREOF</subject><subject>CYANOGEN</subject><subject>INORGANIC CHEMISTRY</subject><subject>METALLURGY</subject><subject>TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2024</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNizEOgkAQAGksjPqH9QEUJ9FoaYjGRit7sh4LtwncXfZWCb8XEh9gNcXMLDO-k7pQQxMEolBEYd8C9n3w_O7Bui4I1wSvEeiDMQjqHPCkLQgKAaGogzSvqFSD49blCTv2rCMMmJSGScg6WzTYJdr8uMq218uzvOUUQ0UpoiVPWpUPY477g9mdinPxT_MFpA5Beg</recordid><startdate>20240830</startdate><enddate>20240830</enddate><creator>LIU ZHIQIANG</creator><creator>HAN XINFU</creator><creator>YAN BO</creator><creator>CAO YUAN</creator><creator>QIN GUANGZONG</creator><creator>LING CHENG</creator><creator>LIN HAO</creator><creator>MA BAILONG</creator><creator>HAN XIAOYAN</creator><creator>LI CHUNDE</creator><creator>YUAN XIUJUAN</creator><creator>LIU HONGPING</creator><creator>YANG QINGYU</creator><creator>LIN YONGSHEN</creator><creator>HAN JINCHENG</creator><scope>EVB</scope></search><sort><creationdate>20240830</creationdate><title>Method for preparing ammonium chloride by evaporating ionic rare earth separated high-salinity wastewater</title><author>LIU ZHIQIANG ; HAN XINFU ; YAN BO ; CAO YUAN ; QIN GUANGZONG ; LING CHENG ; LIN HAO ; MA BAILONG ; HAN XIAOYAN ; LI CHUNDE ; YUAN XIUJUAN ; LIU HONGPING ; YANG QINGYU ; LIN YONGSHEN ; HAN JINCHENG</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN118561293A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2024</creationdate><topic>AMMONIA</topic><topic>CHEMISTRY</topic><topic>COMPOUNDS THEREOF</topic><topic>CYANOGEN</topic><topic>INORGANIC CHEMISTRY</topic><topic>METALLURGY</topic><topic>TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE</topic><toplevel>online_resources</toplevel><creatorcontrib>LIU ZHIQIANG</creatorcontrib><creatorcontrib>HAN XINFU</creatorcontrib><creatorcontrib>YAN BO</creatorcontrib><creatorcontrib>CAO YUAN</creatorcontrib><creatorcontrib>QIN GUANGZONG</creatorcontrib><creatorcontrib>LING CHENG</creatorcontrib><creatorcontrib>LIN HAO</creatorcontrib><creatorcontrib>MA BAILONG</creatorcontrib><creatorcontrib>HAN XIAOYAN</creatorcontrib><creatorcontrib>LI CHUNDE</creatorcontrib><creatorcontrib>YUAN XIUJUAN</creatorcontrib><creatorcontrib>LIU HONGPING</creatorcontrib><creatorcontrib>YANG QINGYU</creatorcontrib><creatorcontrib>LIN YONGSHEN</creatorcontrib><creatorcontrib>HAN JINCHENG</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>LIU ZHIQIANG</au><au>HAN XINFU</au><au>YAN BO</au><au>CAO YUAN</au><au>QIN GUANGZONG</au><au>LING CHENG</au><au>LIN HAO</au><au>MA BAILONG</au><au>HAN XIAOYAN</au><au>LI CHUNDE</au><au>YUAN XIUJUAN</au><au>LIU HONGPING</au><au>YANG QINGYU</au><au>LIN YONGSHEN</au><au>HAN JINCHENG</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Method for preparing ammonium chloride by evaporating ionic rare earth separated high-salinity wastewater</title><date>2024-08-30</date><risdate>2024</risdate><abstract>The invention discloses a method for preparing ammonium chloride by evaporating ionic rare earth separation high-salinity wastewater, which comprises the following steps: adding an alkaline substance into the ionic rare earth separation high-salinity wastewater, and carrying out solid-liquid separation to obtain impurity-removed pretreated wastewater; wherein the ionic rare earth separation high-salinity wastewater comprises ammonium chloride; carrying out evaporative crystallization on the pretreated wastewater until the volume is reduced to 10-30%, and carrying out solid-liquid separation to obtain an ammonium chloride product and crystallization mother liquor; and extracting the crystallization mother liquor by adopting an organic phase containing an extracting agent, carrying out phase splitting to obtain raffinate, combining the raffinate with the pretreated wastewater, and repeating the evaporative crystallization step. According to the method for preparing the ammonium chloride through evaporation of t</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | AMMONIA CHEMISTRY COMPOUNDS THEREOF CYANOGEN INORGANIC CHEMISTRY METALLURGY TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE |
| title | Method for preparing ammonium chloride by evaporating ionic rare earth separated high-salinity wastewater |
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