METHOD FOR TREATING ZINC SLIME
PROBLEM TO BE SOLVED: To provide a method for treating zinc slime as a method of recycling, as a zinc refining raw material, a chlorine-containing resin and zinc slime (mixture of zinc hydroxide and the other mixture) produced in a non-ferrous refining step, the method being capable of recovering zi...
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| creator | MISHIMA SHOJI YAMAZAKI MASAHIKO TOMOHARA HIROKI OKADA TOMOHIKO |
| description | PROBLEM TO BE SOLVED: To provide a method for treating zinc slime as a method of recycling, as a zinc refining raw material, a chlorine-containing resin and zinc slime (mixture of zinc hydroxide and the other mixture) produced in a non-ferrous refining step, the method being capable of recovering zinc as a zinc-containing solution and controlling reaction temperature to several hundred degrees °C (for example, 300°C) or lower.SOLUTION: The method for treating zinc slime comprises: a step of heating and kneading zinc slime produced in a non-ferrous refining step and a chlorine-containing resin at 70°C or higher to 130°C or lower to obtain a kneaded product; a step of subjecting the obtained kneaded product to heating treatment at above 130°C to 250°C or lower, generating an acidic gas, and causing removal to obtain reaction residue; a step of adding moisture to the reaction residue to form into a pulp and stirring the pulp; and a step of subjecting the obtained pulp to solid-liquid separation to recover a zinc-containing solution. |
| format | Patent |
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a step of subjecting the obtained kneaded product to heating treatment at above 130°C to 250°C or lower, generating an acidic gas, and causing removal to obtain reaction residue; a step of adding moisture to the reaction residue to form into a pulp and stirring the pulp; and a step of subjecting the obtained pulp to solid-liquid separation to recover a zinc-containing solution.</description><language>eng</language><subject>CHEMISTRY ; DISPOSAL OF SOLID WASTE ; FERROUS OR NON-FERROUS ALLOYS ; METALLURGY ; PERFORMING OPERATIONS ; PRETREATMENT OF RAW MATERIALS ; PRODUCTION AND REFINING OF METALS ; RECLAMATION OF CONTAMINED SOIL SOIL ; TRANSPORTING ; TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><creationdate>2014</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=20140206&DB=EPODOC&CC=JP&NR=2014025127A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20140206&DB=EPODOC&CC=JP&NR=2014025127A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MISHIMA SHOJI</creatorcontrib><creatorcontrib>YAMAZAKI MASAHIKO</creatorcontrib><creatorcontrib>TOMOHARA HIROKI</creatorcontrib><creatorcontrib>OKADA TOMOHIKO</creatorcontrib><title>METHOD FOR TREATING ZINC SLIME</title><description>PROBLEM TO BE SOLVED: To provide a method for treating zinc slime as a method of recycling, as a zinc refining raw material, a chlorine-containing resin and zinc slime (mixture of zinc hydroxide and the other mixture) produced in a non-ferrous refining step, the method being capable of recovering zinc as a zinc-containing solution and controlling reaction temperature to several hundred degrees °C (for example, 300°C) or lower.SOLUTION: The method for treating zinc slime comprises: a step of heating and kneading zinc slime produced in a non-ferrous refining step and a chlorine-containing resin at 70°C or higher to 130°C or lower to obtain a kneaded product; a step of subjecting the obtained kneaded product to heating treatment at above 130°C to 250°C or lower, generating an acidic gas, and causing removal to obtain reaction residue; a step of adding moisture to the reaction residue to form into a pulp and stirring the pulp; and a step of subjecting the obtained pulp to solid-liquid separation to recover a zinc-containing solution.</description><subject>CHEMISTRY</subject><subject>DISPOSAL OF SOLID WASTE</subject><subject>FERROUS OR NON-FERROUS ALLOYS</subject><subject>METALLURGY</subject><subject>PERFORMING OPERATIONS</subject><subject>PRETREATMENT OF RAW MATERIALS</subject><subject>PRODUCTION AND REFINING OF METALS</subject><subject>RECLAMATION OF CONTAMINED SOIL SOIL</subject><subject>TRANSPORTING</subject><subject>TREATMENT OF ALLOYS OR NON-FERROUS METALS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2014</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJDzdQ3x8HdRcPMPUggJcnUM8fRzV4jy9HNWCPbx9HXlYWBNS8wpTuWF0twMSm6uIc4euqkF-fGpxQWJyal5qSXxXgFGBoYmBkamhkbmjsZEKQIA51YhnQ</recordid><startdate>20140206</startdate><enddate>20140206</enddate><creator>MISHIMA SHOJI</creator><creator>YAMAZAKI MASAHIKO</creator><creator>TOMOHARA HIROKI</creator><creator>OKADA TOMOHIKO</creator><scope>EVB</scope></search><sort><creationdate>20140206</creationdate><title>METHOD FOR TREATING ZINC SLIME</title><author>MISHIMA SHOJI ; YAMAZAKI MASAHIKO ; TOMOHARA HIROKI ; OKADA TOMOHIKO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2014025127A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2014</creationdate><topic>CHEMISTRY</topic><topic>DISPOSAL OF SOLID WASTE</topic><topic>FERROUS OR NON-FERROUS ALLOYS</topic><topic>METALLURGY</topic><topic>PERFORMING OPERATIONS</topic><topic>PRETREATMENT OF RAW MATERIALS</topic><topic>PRODUCTION AND REFINING OF METALS</topic><topic>RECLAMATION OF CONTAMINED SOIL SOIL</topic><topic>TRANSPORTING</topic><topic>TREATMENT OF ALLOYS OR NON-FERROUS METALS</topic><toplevel>online_resources</toplevel><creatorcontrib>MISHIMA SHOJI</creatorcontrib><creatorcontrib>YAMAZAKI MASAHIKO</creatorcontrib><creatorcontrib>TOMOHARA HIROKI</creatorcontrib><creatorcontrib>OKADA TOMOHIKO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>MISHIMA SHOJI</au><au>YAMAZAKI MASAHIKO</au><au>TOMOHARA HIROKI</au><au>OKADA TOMOHIKO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>METHOD FOR TREATING ZINC SLIME</title><date>2014-02-06</date><risdate>2014</risdate><abstract>PROBLEM TO BE SOLVED: To provide a method for treating zinc slime as a method of recycling, as a zinc refining raw material, a chlorine-containing resin and zinc slime (mixture of zinc hydroxide and the other mixture) produced in a non-ferrous refining step, the method being capable of recovering zinc as a zinc-containing solution and controlling reaction temperature to several hundred degrees °C (for example, 300°C) or lower.SOLUTION: The method for treating zinc slime comprises: a step of heating and kneading zinc slime produced in a non-ferrous refining step and a chlorine-containing resin at 70°C or higher to 130°C or lower to obtain a kneaded product; a step of subjecting the obtained kneaded product to heating treatment at above 130°C to 250°C or lower, generating an acidic gas, and causing removal to obtain reaction residue; a step of adding moisture to the reaction residue to form into a pulp and stirring the pulp; and a step of subjecting the obtained pulp to solid-liquid separation to recover a zinc-containing solution.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMISTRY DISPOSAL OF SOLID WASTE FERROUS OR NON-FERROUS ALLOYS METALLURGY PERFORMING OPERATIONS PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS RECLAMATION OF CONTAMINED SOIL SOIL TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS |
| title | METHOD FOR TREATING ZINC SLIME |
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