Method for recycling sewage in sodium fluosilicate production
The invention discloses a method for recycling sewage generated in sodium fluosilicate production. The sewage generated in the sodium fluosilicate production process can be effectively recycled. The method comprises the following steps: collecting fluosilicic acid in a phosphoric acid fluorine absor...
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| creator | CHEN BIN XIANG SHUANGLONG PENG XUEJIANG YANG YANG HU QIAN |
| description | The invention discloses a method for recycling sewage generated in sodium fluosilicate production. The sewage generated in the sodium fluosilicate production process can be effectively recycled. The method comprises the following steps: collecting fluosilicic acid in a phosphoric acid fluorine absorption system produced by wet-process phosphoric acid, or collecting silica gel-containing thick slurry in a fluosilicic acid settling tank and a fluosilicic acid settling tank; the method comprises the following steps: storing fluosilicic acid in a fluorine phosphate absorption system produced by wet-process phosphoric acid into a first storage tank; storing the silica gel-containing thick slurry in the fluosilicic acid settling tank and the fluosilicic acid settling tank into a second storage tank; filtering the fluosilicic acid in the first storage tank and the silica gel-containing thick slurry in the second storage tank by adopting filtering equipment; collecting the filtered filtrate, preparing the filtrate in |
| format | Patent |
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The sewage generated in the sodium fluosilicate production process can be effectively recycled. The method comprises the following steps: collecting fluosilicic acid in a phosphoric acid fluorine absorption system produced by wet-process phosphoric acid, or collecting silica gel-containing thick slurry in a fluosilicic acid settling tank and a fluosilicic acid settling tank; the method comprises the following steps: storing fluosilicic acid in a fluorine phosphate absorption system produced by wet-process phosphoric acid into a first storage tank; storing the silica gel-containing thick slurry in the fluosilicic acid settling tank and the fluosilicic acid settling tank into a second storage tank; filtering the fluosilicic acid in the first storage tank and the silica gel-containing thick slurry in the second storage tank by adopting filtering equipment; collecting the filtered filtrate, preparing the filtrate in</description><language>chi ; eng</language><subject>CHEMISTRY ; COMPOUNDS THEREOF ; INORGANIC CHEMISTRY ; METALLURGY ; NON-METALLIC ELEMENTS ; PERFORMING OPERATIONS ; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL ; SEPARATION ; TRANSPORTING</subject><creationdate>2024</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=20240809&DB=EPODOC&CC=CN&NR=118458782A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20240809&DB=EPODOC&CC=CN&NR=118458782A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>CHEN BIN</creatorcontrib><creatorcontrib>XIANG SHUANGLONG</creatorcontrib><creatorcontrib>PENG XUEJIANG</creatorcontrib><creatorcontrib>YANG YANG</creatorcontrib><creatorcontrib>HU QIAN</creatorcontrib><title>Method for recycling sewage in sodium fluosilicate production</title><description>The invention discloses a method for recycling sewage generated in sodium fluosilicate production. 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The sewage generated in the sodium fluosilicate production process can be effectively recycled. The method comprises the following steps: collecting fluosilicic acid in a phosphoric acid fluorine absorption system produced by wet-process phosphoric acid, or collecting silica gel-containing thick slurry in a fluosilicic acid settling tank and a fluosilicic acid settling tank; the method comprises the following steps: storing fluosilicic acid in a fluorine phosphate absorption system produced by wet-process phosphoric acid into a first storage tank; storing the silica gel-containing thick slurry in the fluosilicic acid settling tank and the fluosilicic acid settling tank into a second storage tank; filtering the fluosilicic acid in the first storage tank and the silica gel-containing thick slurry in the second storage tank by adopting filtering equipment; collecting the filtered filtrate, preparing the filtrate in</abstract><oa>free_for_read</oa></addata></record> |
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| title | Method for recycling sewage in sodium fluosilicate production |
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