Waste residue comprehensive utilization method for trichlorosilane leaching system
The invention discloses a waste residue comprehensive utilization method for a trichlorosilane leaching system. The waste residue comprehensive utilization method comprises the following steps: filter pressing a leaching waste residue mixed solution formed by the leaching system by using a filter pr...
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| creator | SHI ZHIBAO CHEN JIANXIANG WANG GUOZHENG CHANG CHENGSHENG ZHAO JIANQIAO |
| description | The invention discloses a waste residue comprehensive utilization method for a trichlorosilane leaching system. The waste residue comprehensive utilization method comprises the following steps: filter pressing a leaching waste residue mixed solution formed by the leaching system by using a filter press to obtain leaching waste residue; putting the leaching waste residue into a drum mixer, adding an appropriate amount of tap water, and stirring to obtain a slurry; discharging the slurry to a dissolving tank by utilizing a high potential difference, adding the appropriate amount of the tap water, mechanically stirring to dissolve for 1.5-4 hours, and obtaining a feed liquid containing sodium chloride; filter pressing the feed liquid to obtain insoluble residue and filtrate, storing the insoluble residue for later use, performing secondary refined filtration on the obtained filtrate, injecting a refined filtration mother liquid into a double-effect evaporator through a centrifugal pump to evaporate and crystallize, and obtaining a finished product, sodium chloride with the purity of more than 99%. According to the waste residue comprehensive utilization method for the trichlorosilane leaching system, soluble salt and insoluble salt are effectively separated, and a purpose of recycling leaching waste residue in a classifying manner is achieved; the environment pollution and the wasting of resources are reduced, and the economic benefits are increased. |
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The waste residue comprehensive utilization method comprises the following steps: filter pressing a leaching waste residue mixed solution formed by the leaching system by using a filter press to obtain leaching waste residue; putting the leaching waste residue into a drum mixer, adding an appropriate amount of tap water, and stirring to obtain a slurry; discharging the slurry to a dissolving tank by utilizing a high potential difference, adding the appropriate amount of the tap water, mechanically stirring to dissolve for 1.5-4 hours, and obtaining a feed liquid containing sodium chloride; filter pressing the feed liquid to obtain insoluble residue and filtrate, storing the insoluble residue for later use, performing secondary refined filtration on the obtained filtrate, injecting a refined filtration mother liquid into a double-effect evaporator through a centrifugal pump to evaporate and crystallize, and obtaining a finished product, sodium chloride with the purity of more than 99%. According to the waste residue comprehensive utilization method for the trichlorosilane leaching system, soluble salt and insoluble salt are effectively separated, and a purpose of recycling leaching waste residue in a classifying manner is achieved; the environment pollution and the wasting of resources are reduced, and the economic benefits are increased.</description><language>eng</language><subject>ARTIFICIAL STONE ; CEMENTS ; CERAMICS ; CHEMISTRY ; CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS ; CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT ; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS ; COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM,RUBIDIUM, CAESIUM, OR FRANCIUM ; CONCRETE ; DISPOSAL OF SOLID WASTE ; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC ; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS ; INORGANIC CHEMISTRY ; LIME, MAGNESIA ; METALLURGY ; PERFORMING OPERATIONS ; RECLAMATION OF CONTAMINED SOIL SOIL ; REFRACTORIES ; SLAG ; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE ; TRANSPORTING ; TREATMENT OF NATURAL STONE</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=104445281A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25562,76317</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20150325&DB=EPODOC&CC=CN&NR=104445281A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SHI ZHIBAO</creatorcontrib><creatorcontrib>CHEN JIANXIANG</creatorcontrib><creatorcontrib>WANG GUOZHENG</creatorcontrib><creatorcontrib>CHANG CHENGSHENG</creatorcontrib><creatorcontrib>ZHAO JIANQIAO</creatorcontrib><title>Waste residue comprehensive utilization method for trichlorosilane leaching system</title><description>The invention discloses a waste residue comprehensive utilization method for a trichlorosilane leaching system. The waste residue comprehensive utilization method comprises the following steps: filter pressing a leaching waste residue mixed solution formed by the leaching system by using a filter press to obtain leaching waste residue; putting the leaching waste residue into a drum mixer, adding an appropriate amount of tap water, and stirring to obtain a slurry; discharging the slurry to a dissolving tank by utilizing a high potential difference, adding the appropriate amount of the tap water, mechanically stirring to dissolve for 1.5-4 hours, and obtaining a feed liquid containing sodium chloride; filter pressing the feed liquid to obtain insoluble residue and filtrate, storing the insoluble residue for later use, performing secondary refined filtration on the obtained filtrate, injecting a refined filtration mother liquid into a double-effect evaporator through a centrifugal pump to evaporate and crystallize, and obtaining a finished product, sodium chloride with the purity of more than 99%. According to the waste residue comprehensive utilization method for the trichlorosilane leaching system, soluble salt and insoluble salt are effectively separated, and a purpose of recycling leaching waste residue in a classifying manner is achieved; the environment pollution and the wasting of resources are reduced, and the economic benefits are increased.</description><subject>ARTIFICIAL STONE</subject><subject>CEMENTS</subject><subject>CERAMICS</subject><subject>CHEMISTRY</subject><subject>CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS</subject><subject>CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT</subject><subject>COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS</subject><subject>COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM,RUBIDIUM, CAESIUM, OR FRANCIUM</subject><subject>CONCRETE</subject><subject>DISPOSAL OF SOLID WASTE</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>INORGANIC CHEMISTRY</subject><subject>LIME, MAGNESIA</subject><subject>METALLURGY</subject><subject>PERFORMING OPERATIONS</subject><subject>RECLAMATION OF CONTAMINED SOIL SOIL</subject><subject>REFRACTORIES</subject><subject>SLAG</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>TRANSPORTING</subject><subject>TREATMENT OF NATURAL STONE</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2015</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNzDEKAjEQRuFtLES9w3gAwdUVbGVRrCxEsFxC9l8zkGRCJivo6bXwAFav-XjT6no3WkAZyv0IshJShkNUfoLGwp7fprBECihOehokU8lsnZcsyt5EkIexjuOD9PV9hXk1GYxXLH6dVcvT8daeV0jSQZOxiChde6nXTdPsNvv6sP3HfAC-yTlW</recordid><startdate>20150325</startdate><enddate>20150325</enddate><creator>SHI ZHIBAO</creator><creator>CHEN JIANXIANG</creator><creator>WANG GUOZHENG</creator><creator>CHANG CHENGSHENG</creator><creator>ZHAO JIANQIAO</creator><scope>EVB</scope></search><sort><creationdate>20150325</creationdate><title>Waste residue comprehensive utilization method for trichlorosilane leaching system</title><author>SHI ZHIBAO ; CHEN JIANXIANG ; WANG GUOZHENG ; CHANG CHENGSHENG ; ZHAO JIANQIAO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN104445281A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2015</creationdate><topic>ARTIFICIAL STONE</topic><topic>CEMENTS</topic><topic>CERAMICS</topic><topic>CHEMISTRY</topic><topic>CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS</topic><topic>CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT</topic><topic>COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS</topic><topic>COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM,RUBIDIUM, CAESIUM, OR FRANCIUM</topic><topic>CONCRETE</topic><topic>DISPOSAL OF SOLID WASTE</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>INORGANIC CHEMISTRY</topic><topic>LIME, MAGNESIA</topic><topic>METALLURGY</topic><topic>PERFORMING OPERATIONS</topic><topic>RECLAMATION OF CONTAMINED SOIL SOIL</topic><topic>REFRACTORIES</topic><topic>SLAG</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>TRANSPORTING</topic><topic>TREATMENT OF NATURAL STONE</topic><toplevel>online_resources</toplevel><creatorcontrib>SHI ZHIBAO</creatorcontrib><creatorcontrib>CHEN JIANXIANG</creatorcontrib><creatorcontrib>WANG GUOZHENG</creatorcontrib><creatorcontrib>CHANG CHENGSHENG</creatorcontrib><creatorcontrib>ZHAO JIANQIAO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>SHI ZHIBAO</au><au>CHEN JIANXIANG</au><au>WANG GUOZHENG</au><au>CHANG CHENGSHENG</au><au>ZHAO JIANQIAO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Waste residue comprehensive utilization method for trichlorosilane leaching system</title><date>2015-03-25</date><risdate>2015</risdate><abstract>The invention discloses a waste residue comprehensive utilization method for a trichlorosilane leaching system. The waste residue comprehensive utilization method comprises the following steps: filter pressing a leaching waste residue mixed solution formed by the leaching system by using a filter press to obtain leaching waste residue; putting the leaching waste residue into a drum mixer, adding an appropriate amount of tap water, and stirring to obtain a slurry; discharging the slurry to a dissolving tank by utilizing a high potential difference, adding the appropriate amount of the tap water, mechanically stirring to dissolve for 1.5-4 hours, and obtaining a feed liquid containing sodium chloride; filter pressing the feed liquid to obtain insoluble residue and filtrate, storing the insoluble residue for later use, performing secondary refined filtration on the obtained filtrate, injecting a refined filtration mother liquid into a double-effect evaporator through a centrifugal pump to evaporate and crystallize, and obtaining a finished product, sodium chloride with the purity of more than 99%. According to the waste residue comprehensive utilization method for the trichlorosilane leaching system, soluble salt and insoluble salt are effectively separated, and a purpose of recycling leaching waste residue in a classifying manner is achieved; the environment pollution and the wasting of resources are reduced, and the economic benefits are increased.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM,RUBIDIUM, CAESIUM, OR FRANCIUM CONCRETE DISPOSAL OF SOLID WASTE GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS INORGANIC CHEMISTRY LIME, MAGNESIA METALLURGY PERFORMING OPERATIONS RECLAMATION OF CONTAMINED SOIL SOIL REFRACTORIES SLAG TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRANSPORTING TREATMENT OF NATURAL STONE |
| title | Waste residue comprehensive utilization method for trichlorosilane leaching system |
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