METHOD FOR CLEANING PHOSGENE CONDUCTING APPARATUS
The invention relates to a method for cleaning a phosgene conducting apparatus, comprising: washing the apparatus with hot inert gas, followed by washing the apparatus with cold inert gas; conveying gaseous ammonia for breaking down phosgene residues with a continuous increase in temperature until a...
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| creator | Plathen, Peter Wolf, Peter Manzel, Dirk Boegel, Udo |
| description | The invention relates to a method for cleaning a phosgene conducting apparatus, comprising: washing the apparatus with hot inert gas, followed by washing the apparatus with cold inert gas; conveying gaseous ammonia for breaking down phosgene residues with a continuous increase in temperature until a maximum temperature ranging between 30° C. to 120° C. is reached; once the maximum temperature is reached, shutting down the ammonia supply and the conveying of inert gas, optionally (and preferably) followed by washing the apparatus with an aqueous stream. |
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conveying gaseous ammonia for breaking down phosgene residues with a continuous increase in temperature until a maximum temperature ranging between 30° C. to 120° C. is reached; once the maximum temperature is reached, shutting down the ammonia supply and the conveying of inert gas, optionally (and preferably) followed by washing the apparatus with an aqueous stream.</description><language>eng</language><subject>ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES ; CANDLES ; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY ; CHEMISTRY ; CLEANING ; CLEANING IN GENERAL ; COMPOUNDS THEREOF ; DETERGENT COMPOSITIONS ; DETERGENTS ; FATTY ACIDS THEREFROM ; INORGANIC CHEMISTRY ; METALLURGY ; NON-METALLIC ELEMENTS ; PERFORMING OPERATIONS ; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL ; PREVENTION OF FOULING IN GENERAL ; RECOVERY OF GLYCEROL ; RESIN SOAPS ; SEPARATION ; SOAP OR SOAP-MAKING ; THEIR RELEVANT APPARATUS ; TRANSPORTING ; USE OF SINGLE SUBSTANCES AS DETERGENTS</subject><creationdate>2020</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=20200806&DB=EPODOC&CC=US&NR=2020246845A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20200806&DB=EPODOC&CC=US&NR=2020246845A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Plathen, Peter</creatorcontrib><creatorcontrib>Wolf, Peter</creatorcontrib><creatorcontrib>Manzel, Dirk</creatorcontrib><creatorcontrib>Boegel, Udo</creatorcontrib><title>METHOD FOR CLEANING PHOSGENE CONDUCTING APPARATUS</title><description>The invention relates to a method for cleaning a phosgene conducting apparatus, comprising: washing the apparatus with hot inert gas, followed by washing the apparatus with cold inert gas; conveying gaseous ammonia for breaking down phosgene residues with a continuous increase in temperature until a maximum temperature ranging between 30° C. to 120° C. is reached; once the maximum temperature is reached, shutting down the ammonia supply and the conveying of inert gas, optionally (and preferably) followed by washing the apparatus with an aqueous stream.</description><subject>ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES</subject><subject>CANDLES</subject><subject>CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY</subject><subject>CHEMISTRY</subject><subject>CLEANING</subject><subject>CLEANING IN GENERAL</subject><subject>COMPOUNDS THEREOF</subject><subject>DETERGENT COMPOSITIONS</subject><subject>DETERGENTS</subject><subject>FATTY ACIDS THEREFROM</subject><subject>INORGANIC CHEMISTRY</subject><subject>METALLURGY</subject><subject>NON-METALLIC ELEMENTS</subject><subject>PERFORMING OPERATIONS</subject><subject>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</subject><subject>PREVENTION OF FOULING IN GENERAL</subject><subject>RECOVERY OF GLYCEROL</subject><subject>RESIN SOAPS</subject><subject>SEPARATION</subject><subject>SOAP OR SOAP-MAKING</subject><subject>THEIR RELEVANT APPARATUS</subject><subject>TRANSPORTING</subject><subject>USE OF SINGLE SUBSTANCES AS DETERGENTS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2020</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDD0dQ3x8HdRcPMPUnD2cXX08_RzVwjw8A92d_VzVXD293MJdQ4BiTkGBDgGOYaEBvMwsKYl5hSn8kJpbgZlN9cQZw_d1IL8-NTigsTk1LzUkvjQYCMDIDQxszAxdTQ0Jk4VAPAIJ48</recordid><startdate>20200806</startdate><enddate>20200806</enddate><creator>Plathen, Peter</creator><creator>Wolf, Peter</creator><creator>Manzel, Dirk</creator><creator>Boegel, Udo</creator><scope>EVB</scope></search><sort><creationdate>20200806</creationdate><title>METHOD FOR CLEANING PHOSGENE CONDUCTING APPARATUS</title><author>Plathen, Peter ; Wolf, Peter ; Manzel, Dirk ; Boegel, Udo</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US2020246845A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2020</creationdate><topic>ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES</topic><topic>CANDLES</topic><topic>CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY</topic><topic>CHEMISTRY</topic><topic>CLEANING</topic><topic>CLEANING IN GENERAL</topic><topic>COMPOUNDS THEREOF</topic><topic>DETERGENT COMPOSITIONS</topic><topic>DETERGENTS</topic><topic>FATTY ACIDS THEREFROM</topic><topic>INORGANIC CHEMISTRY</topic><topic>METALLURGY</topic><topic>NON-METALLIC ELEMENTS</topic><topic>PERFORMING OPERATIONS</topic><topic>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</topic><topic>PREVENTION OF FOULING IN GENERAL</topic><topic>RECOVERY OF GLYCEROL</topic><topic>RESIN SOAPS</topic><topic>SEPARATION</topic><topic>SOAP OR SOAP-MAKING</topic><topic>THEIR RELEVANT APPARATUS</topic><topic>TRANSPORTING</topic><topic>USE OF SINGLE SUBSTANCES AS DETERGENTS</topic><toplevel>online_resources</toplevel><creatorcontrib>Plathen, Peter</creatorcontrib><creatorcontrib>Wolf, Peter</creatorcontrib><creatorcontrib>Manzel, Dirk</creatorcontrib><creatorcontrib>Boegel, Udo</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Plathen, Peter</au><au>Wolf, Peter</au><au>Manzel, Dirk</au><au>Boegel, Udo</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>METHOD FOR CLEANING PHOSGENE CONDUCTING APPARATUS</title><date>2020-08-06</date><risdate>2020</risdate><abstract>The invention relates to a method for cleaning a phosgene conducting apparatus, comprising: washing the apparatus with hot inert gas, followed by washing the apparatus with cold inert gas; conveying gaseous ammonia for breaking down phosgene residues with a continuous increase in temperature until a maximum temperature ranging between 30° C. to 120° C. is reached; once the maximum temperature is reached, shutting down the ammonia supply and the conveying of inert gas, optionally (and preferably) followed by washing the apparatus with an aqueous stream.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES CANDLES CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY CLEANING CLEANING IN GENERAL COMPOUNDS THEREOF DETERGENT COMPOSITIONS DETERGENTS FATTY ACIDS THEREFROM INORGANIC CHEMISTRY METALLURGY NON-METALLIC ELEMENTS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PREVENTION OF FOULING IN GENERAL RECOVERY OF GLYCEROL RESIN SOAPS SEPARATION SOAP OR SOAP-MAKING THEIR RELEVANT APPARATUS TRANSPORTING USE OF SINGLE SUBSTANCES AS DETERGENTS |
| title | METHOD FOR CLEANING PHOSGENE CONDUCTING APPARATUS |
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