TREATMENT OF SLAG FORMED IN COAL GASIFICATION
PURPOSE:To prevent yellow water from being produced, remove malodor of hydrogen sulfide gas and contemplate the effective utilization of slag formed in coal gasification, by mixing a sulfite salt with the formed slag. CONSTITUTION:A sulfite salt is mixed with slag formed in the gasification of coal...
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| creator | OOSUMI KOUJI EBIHARA KOUJI INOUE KEIZOU |
| description | PURPOSE:To prevent yellow water from being produced, remove malodor of hydrogen sulfide gas and contemplate the effective utilization of slag formed in coal gasification, by mixing a sulfite salt with the formed slag. CONSTITUTION:A sulfite salt is mixed with slag formed in the gasification of coal comprising blowing coal together with a gasifying agent into a molten iron bath and gasifying coal. For this purpose, slag discharged from a coal gasifying furnace is crushed to an appropriate size according to the purpose of use, and then a required amount of the sulfite is added, to convert CaS in the slag into CaS2O3. As said sulfite, calcium sulfite is most preferred. Calcium sulfite is available in large quantities at low cost as a by-product in an exhaust gas-desulfurizing provision for air pollusion prevention. Calcium sulfite is added in an amount which corresponds to a particle size of the slag and contents of CaS and which does not reduce the strength of the slag itself. |
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CONSTITUTION:A sulfite salt is mixed with slag formed in the gasification of coal comprising blowing coal together with a gasifying agent into a molten iron bath and gasifying coal. For this purpose, slag discharged from a coal gasifying furnace is crushed to an appropriate size according to the purpose of use, and then a required amount of the sulfite is added, to convert CaS in the slag into CaS2O3. As said sulfite, calcium sulfite is most preferred. Calcium sulfite is available in large quantities at low cost as a by-product in an exhaust gas-desulfurizing provision for air pollusion prevention. Calcium sulfite is added in an amount which corresponds to a particle size of the slag and contents of CaS and which does not reduce the strength of the slag itself.</description><language>eng</language><subject>CARBURETTING AIR OR OTHER GASES ; CHEMISTRY ; FUELS ; LUBRICANTS ; METALLURGY ; PEAT ; PETROLEUM, GAS OR COKE INDUSTRIES ; PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROMSOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES ; TECHNICAL GASES CONTAINING CARBON MONOXIDE</subject><creationdate>1982</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=19820611&DB=EPODOC&CC=JP&NR=S5794091A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25543,76294</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19820611&DB=EPODOC&CC=JP&NR=S5794091A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>OOSUMI KOUJI</creatorcontrib><creatorcontrib>EBIHARA KOUJI</creatorcontrib><creatorcontrib>INOUE KEIZOU</creatorcontrib><title>TREATMENT OF SLAG FORMED IN COAL GASIFICATION</title><description>PURPOSE:To prevent yellow water from being produced, remove malodor of hydrogen sulfide gas and contemplate the effective utilization of slag formed in coal gasification, by mixing a sulfite salt with the formed slag. CONSTITUTION:A sulfite salt is mixed with slag formed in the gasification of coal comprising blowing coal together with a gasifying agent into a molten iron bath and gasifying coal. For this purpose, slag discharged from a coal gasifying furnace is crushed to an appropriate size according to the purpose of use, and then a required amount of the sulfite is added, to convert CaS in the slag into CaS2O3. As said sulfite, calcium sulfite is most preferred. Calcium sulfite is available in large quantities at low cost as a by-product in an exhaust gas-desulfurizing provision for air pollusion prevention. Calcium sulfite is added in an amount which corresponds to a particle size of the slag and contents of CaS and which does not reduce the strength of the slag itself.</description><subject>CARBURETTING AIR OR OTHER GASES</subject><subject>CHEMISTRY</subject><subject>FUELS</subject><subject>LUBRICANTS</subject><subject>METALLURGY</subject><subject>PEAT</subject><subject>PETROLEUM, GAS OR COKE INDUSTRIES</subject><subject>PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROMSOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES</subject><subject>TECHNICAL GASES CONTAINING CARBON MONOXIDE</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1982</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNANCXJ1DPF19QtR8HdTCPZxdFdw8w_ydXVR8PRTcPZ39FFwdwz2dPN0dgzx9PfjYWBNS8wpTuWF0twMCm6uIc4euqkF-fGpxQWJyal5qSXxXgHBpuaWJgaWho7GRCgBAGENJSQ</recordid><startdate>19820611</startdate><enddate>19820611</enddate><creator>OOSUMI KOUJI</creator><creator>EBIHARA KOUJI</creator><creator>INOUE KEIZOU</creator><scope>EVB</scope></search><sort><creationdate>19820611</creationdate><title>TREATMENT OF SLAG FORMED IN COAL GASIFICATION</title><author>OOSUMI KOUJI ; EBIHARA KOUJI ; INOUE KEIZOU</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPS5794091A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1982</creationdate><topic>CARBURETTING AIR OR OTHER GASES</topic><topic>CHEMISTRY</topic><topic>FUELS</topic><topic>LUBRICANTS</topic><topic>METALLURGY</topic><topic>PEAT</topic><topic>PETROLEUM, GAS OR COKE INDUSTRIES</topic><topic>PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROMSOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES</topic><topic>TECHNICAL GASES CONTAINING CARBON MONOXIDE</topic><toplevel>online_resources</toplevel><creatorcontrib>OOSUMI KOUJI</creatorcontrib><creatorcontrib>EBIHARA KOUJI</creatorcontrib><creatorcontrib>INOUE KEIZOU</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>OOSUMI KOUJI</au><au>EBIHARA KOUJI</au><au>INOUE KEIZOU</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>TREATMENT OF SLAG FORMED IN COAL GASIFICATION</title><date>1982-06-11</date><risdate>1982</risdate><abstract>PURPOSE:To prevent yellow water from being produced, remove malodor of hydrogen sulfide gas and contemplate the effective utilization of slag formed in coal gasification, by mixing a sulfite salt with the formed slag. CONSTITUTION:A sulfite salt is mixed with slag formed in the gasification of coal comprising blowing coal together with a gasifying agent into a molten iron bath and gasifying coal. For this purpose, slag discharged from a coal gasifying furnace is crushed to an appropriate size according to the purpose of use, and then a required amount of the sulfite is added, to convert CaS in the slag into CaS2O3. As said sulfite, calcium sulfite is most preferred. Calcium sulfite is available in large quantities at low cost as a by-product in an exhaust gas-desulfurizing provision for air pollusion prevention. Calcium sulfite is added in an amount which corresponds to a particle size of the slag and contents of CaS and which does not reduce the strength of the slag itself.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CARBURETTING AIR OR OTHER GASES CHEMISTRY FUELS LUBRICANTS METALLURGY PEAT PETROLEUM, GAS OR COKE INDUSTRIES PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROMSOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES TECHNICAL GASES CONTAINING CARBON MONOXIDE |
| title | TREATMENT OF SLAG FORMED IN COAL GASIFICATION |
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