Method for recycling Al resources in Friedel-Crafts reaction
The invention relates to a method for recycling Al resources in a Friedel-Crafts reaction. The method comprises steps performed after the Friedel-Crafts reaction as follows: (1), a reaction system is concentrated, a reaction solvent is recovered, a replacement solvent is added to disperse concentrat...
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| creator | ZHENG ZHIHUI LYU CONGGAO YAN XINTIAN SUN SULI CAI HUASHENG WU FANGMIN ZHAO GENGEN CHENG ZHENHUI |
| description | The invention relates to a method for recycling Al resources in a Friedel-Crafts reaction. The method comprises steps performed after the Friedel-Crafts reaction as follows: (1), a reaction system is concentrated, a reaction solvent is recovered, a replacement solvent is added to disperse concentrated residues when the size of the reaction system is concentrated to 20%-50% of the original size, and concentration is continued until the reaction solvent is completely eliminated; (2), the temperature of the system obtained after the step (1) is controlled to range from subzero 20 DEG C to 100 DEG C, water is added to the system, the mixture is sufficiently mixed and filtered, the replacement solvent is recovered after filtrate is concentrated, meanwhile, a product of the Friedel-Crafts reaction is obtained, aluminum(III) chloride hexahydrate is obtained after a filter cake is dried, and the mole ratio of the added water to aluminum (III) chloride is (1-10):1. According to the method, no wastewater or acid gas is produced, the operation is simple, and environmental protection is facilitated. |
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The method comprises steps performed after the Friedel-Crafts reaction as follows: (1), a reaction system is concentrated, a reaction solvent is recovered, a replacement solvent is added to disperse concentrated residues when the size of the reaction system is concentrated to 20%-50% of the original size, and concentration is continued until the reaction solvent is completely eliminated; (2), the temperature of the system obtained after the step (1) is controlled to range from subzero 20 DEG C to 100 DEG C, water is added to the system, the mixture is sufficiently mixed and filtered, the replacement solvent is recovered after filtrate is concentrated, meanwhile, a product of the Friedel-Crafts reaction is obtained, aluminum(III) chloride hexahydrate is obtained after a filter cake is dried, and the mole ratio of the added water to aluminum (III) chloride is (1-10):1. According to the method, no wastewater or acid gas is produced, the operation is simple, and environmental protection is facilitated.</description><language>eng</language><subject>ACYCLIC OR CARBOCYCLIC COMPOUNDS ; ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM ; CHEMISTRY ; COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS ; INORGANIC CHEMISTRY ; METALLURGY ; ORGANIC CHEMISTRY</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=20150729&DB=EPODOC&CC=CN&NR=104803873A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,309,781,886,25569,76552</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20150729&DB=EPODOC&CC=CN&NR=104803873A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ZHENG ZHIHUI</creatorcontrib><creatorcontrib>LYU CONGGAO</creatorcontrib><creatorcontrib>YAN XINTIAN</creatorcontrib><creatorcontrib>SUN SULI</creatorcontrib><creatorcontrib>CAI HUASHENG</creatorcontrib><creatorcontrib>WU FANGMIN</creatorcontrib><creatorcontrib>ZHAO GENGEN</creatorcontrib><creatorcontrib>CHENG ZHENHUI</creatorcontrib><title>Method for recycling Al resources in Friedel-Crafts reaction</title><description>The invention relates to a method for recycling Al resources in a Friedel-Crafts reaction. The method comprises steps performed after the Friedel-Crafts reaction as follows: (1), a reaction system is concentrated, a reaction solvent is recovered, a replacement solvent is added to disperse concentrated residues when the size of the reaction system is concentrated to 20%-50% of the original size, and concentration is continued until the reaction solvent is completely eliminated; (2), the temperature of the system obtained after the step (1) is controlled to range from subzero 20 DEG C to 100 DEG C, water is added to the system, the mixture is sufficiently mixed and filtered, the replacement solvent is recovered after filtrate is concentrated, meanwhile, a product of the Friedel-Crafts reaction is obtained, aluminum(III) chloride hexahydrate is obtained after a filter cake is dried, and the mole ratio of the added water to aluminum (III) chloride is (1-10):1. According to the method, no wastewater or acid gas is produced, the operation is simple, and environmental protection is facilitated.</description><subject>ACYCLIC OR CARBOCYCLIC COMPOUNDS</subject><subject>ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM</subject><subject>CHEMISTRY</subject><subject>COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS</subject><subject>INORGANIC CHEMISTRY</subject><subject>METALLURGY</subject><subject>ORGANIC CHEMISTRY</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2015</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLDxTS3JyE9RSMsvUihKTa5MzsnMS1dwzAFyivNLi5JTixUy8xTcijJTU1JzdJ2LEtNKioFyicklmfl5PAysaYk5xam8UJqbQdHNNcTZQze1ID8-tbggMTk1L7Uk3tnP0MDEwsDYwtzY0ZgYNQC3Hy9u</recordid><startdate>20150729</startdate><enddate>20150729</enddate><creator>ZHENG ZHIHUI</creator><creator>LYU CONGGAO</creator><creator>YAN XINTIAN</creator><creator>SUN SULI</creator><creator>CAI HUASHENG</creator><creator>WU FANGMIN</creator><creator>ZHAO GENGEN</creator><creator>CHENG ZHENHUI</creator><scope>EVB</scope></search><sort><creationdate>20150729</creationdate><title>Method for recycling Al resources in Friedel-Crafts reaction</title><author>ZHENG ZHIHUI ; LYU CONGGAO ; YAN XINTIAN ; SUN SULI ; CAI HUASHENG ; WU FANGMIN ; ZHAO GENGEN ; CHENG ZHENHUI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN104803873A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2015</creationdate><topic>ACYCLIC OR CARBOCYCLIC COMPOUNDS</topic><topic>ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM</topic><topic>CHEMISTRY</topic><topic>COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS</topic><topic>INORGANIC CHEMISTRY</topic><topic>METALLURGY</topic><topic>ORGANIC CHEMISTRY</topic><toplevel>online_resources</toplevel><creatorcontrib>ZHENG ZHIHUI</creatorcontrib><creatorcontrib>LYU CONGGAO</creatorcontrib><creatorcontrib>YAN XINTIAN</creatorcontrib><creatorcontrib>SUN SULI</creatorcontrib><creatorcontrib>CAI HUASHENG</creatorcontrib><creatorcontrib>WU FANGMIN</creatorcontrib><creatorcontrib>ZHAO GENGEN</creatorcontrib><creatorcontrib>CHENG ZHENHUI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>ZHENG ZHIHUI</au><au>LYU CONGGAO</au><au>YAN XINTIAN</au><au>SUN SULI</au><au>CAI HUASHENG</au><au>WU FANGMIN</au><au>ZHAO GENGEN</au><au>CHENG ZHENHUI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Method for recycling Al resources in Friedel-Crafts reaction</title><date>2015-07-29</date><risdate>2015</risdate><abstract>The invention relates to a method for recycling Al resources in a Friedel-Crafts reaction. The method comprises steps performed after the Friedel-Crafts reaction as follows: (1), a reaction system is concentrated, a reaction solvent is recovered, a replacement solvent is added to disperse concentrated residues when the size of the reaction system is concentrated to 20%-50% of the original size, and concentration is continued until the reaction solvent is completely eliminated; (2), the temperature of the system obtained after the step (1) is controlled to range from subzero 20 DEG C to 100 DEG C, water is added to the system, the mixture is sufficiently mixed and filtered, the replacement solvent is recovered after filtrate is concentrated, meanwhile, a product of the Friedel-Crafts reaction is obtained, aluminum(III) chloride hexahydrate is obtained after a filter cake is dried, and the mole ratio of the added water to aluminum (III) chloride is (1-10):1. According to the method, no wastewater or acid gas is produced, the operation is simple, and environmental protection is facilitated.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ACYCLIC OR CARBOCYCLIC COMPOUNDS ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM CHEMISTRY COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS INORGANIC CHEMISTRY METALLURGY ORGANIC CHEMISTRY |
| title | Method for recycling Al resources in Friedel-Crafts reaction |
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