Method of dechlorinating organic chlorine compound
In order to treat organic chlorine compounds, which are generally hard to decompose, by a method, which poses no problem in terms of processes and is excellent in safety and economy, excess alkali is used to make the treating complete when a PCB containing insulating oil (9) containing organic chlor...
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| creator | TSUNEO YANO FUMIO TANIMOTO TOSHINORI TOMA MITOSHI HIGASHIUCHI ATSUHIKO NAKAMURA KIYOHIKO TSUKUMO KOICHI FURUHASHI |
| description | In order to treat organic chlorine compounds, which are generally hard to decompose, by a method, which poses no problem in terms of processes and is excellent in safety and economy, excess alkali is used to make the treating complete when a PCB containing insulating oil (9) containing organic chlorine compounds such as PCB, and alkali such as caustic soda (2), are caused to react in an aprotic polar solvent such as 1,3-dimethyl-imidazolidinone (1) to undergo dechlorination. Further, excess alkali is made to be dissolved in a lower alcohol such as ethanol (17) and recovered, and the aprotic polar solvent is recovered, whereby a treating step is improved in safety, economy and serviceability, and the oil having been made harmless is reused for fuel oils and the like to make effective use of resources. |
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Further, excess alkali is made to be dissolved in a lower alcohol such as ethanol (17) and recovered, and the aprotic polar solvent is recovered, whereby a treating step is improved in safety, economy and serviceability, and the oil having been made harmless is reused for fuel oils and the like to make effective use of resources.</description><edition>6</edition><language>eng</language><subject>APPARATUS THEREFOR ; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS ; CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING ORPROTECTING AGAINST HARMFUL CHEMICAL AGENTS ; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY ; CHEMISTRY ; DISPOSAL OF SOLID WASTE ; FIRE-FIGHTING ; GENERAL METHODS OF ORGANIC CHEMISTRY ; HUMAN NECESSITIES ; LIFE-SAVING ; METALLURGY ; ORGANIC CHEMISTRY ; PERFORMING OPERATIONS ; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL ; RECLAMATION OF CONTAMINED SOIL SOIL ; THEIR RELEVANT APPARATUS ; TRANSPORTING</subject><creationdate>1997</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=19971010&DB=EPODOC&CC=AU&NR=1943797A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76318</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19971010&DB=EPODOC&CC=AU&NR=1943797A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TSUNEO YANO</creatorcontrib><creatorcontrib>FUMIO TANIMOTO</creatorcontrib><creatorcontrib>TOSHINORI TOMA</creatorcontrib><creatorcontrib>MITOSHI HIGASHIUCHI</creatorcontrib><creatorcontrib>ATSUHIKO NAKAMURA</creatorcontrib><creatorcontrib>KIYOHIKO TSUKUMO</creatorcontrib><creatorcontrib>KOICHI FURUHASHI</creatorcontrib><title>Method of dechlorinating organic chlorine compound</title><description>In order to treat organic chlorine compounds, which are generally hard to decompose, by a method, which poses no problem in terms of processes and is excellent in safety and economy, excess alkali is used to make the treating complete when a PCB containing insulating oil (9) containing organic chlorine compounds such as PCB, and alkali such as caustic soda (2), are caused to react in an aprotic polar solvent such as 1,3-dimethyl-imidazolidinone (1) to undergo dechlorination. 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Further, excess alkali is made to be dissolved in a lower alcohol such as ethanol (17) and recovered, and the aprotic polar solvent is recovered, whereby a treating step is improved in safety, economy and serviceability, and the oil having been made harmless is reused for fuel oils and the like to make effective use of resources.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| subjects | APPARATUS THEREFOR CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING ORPROTECTING AGAINST HARMFUL CHEMICAL AGENTS CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY DISPOSAL OF SOLID WASTE FIRE-FIGHTING GENERAL METHODS OF ORGANIC CHEMISTRY HUMAN NECESSITIES LIFE-SAVING METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL RECLAMATION OF CONTAMINED SOIL SOIL THEIR RELEVANT APPARATUS TRANSPORTING |
| title | Method of dechlorinating organic chlorine compound |
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