BIODIESEL PRODUCTION WITH REDUCED WATER EMISSIONS
Waste water emissions from a biodiesel production facility are substantially reduced by recovering water from a spent water stream used in a water washing step in the refining of crude biodiesel which has a concentration of lower alkanol below about 5000 parts per million by mass. The water washing...
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| creator | SCHRECK, DAVID, JAMES BALMER, NORMAN, LOUIS BUNNING, DONALD, LEROY KAPICAK, LOUIS, A MALISZEWSKI, THOMAS, ARTHUR |
| description | Waste water emissions from a biodiesel production facility are substantially reduced by recovering water from a spent water stream used in a water washing step in the refining of crude biodiesel which has a concentration of lower alkanol below about 5000 parts per million by mass. The water washing removes glycerin from the crude biodiesel. The water is recovered from the spent water stream and is concentrated to provide an aqueous fraction which can be recycled for the water washing and an aqueous, glycerin- containing fraction that preferably contains at least about 10 mass percent glycerin.
Les émissions d'eaux d'une installation de production de biodiesel sont sensiblement réduites lorsqu'on récupère les eaux usées utilisées dans l'étape de lavage à l'eau lors du raffinage du biodiesel brut, laquelle présente une concentration massique d'alkanol inférieure à environ 5000 parties par million. L'eau de lavage extrait la glycérine du biodiesel brut. L'eau de lavage usée est concentrée pour fournir une fraction aqueuse recyclable et utilisable à nouveau pour le lavage, et une fraction contenant de la glycérine à raison d'au moins environ 10% de la masse. |
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Les émissions d'eaux d'une installation de production de biodiesel sont sensiblement réduites lorsqu'on récupère les eaux usées utilisées dans l'étape de lavage à l'eau lors du raffinage du biodiesel brut, laquelle présente une concentration massique d'alkanol inférieure à environ 5000 parties par million. L'eau de lavage extrait la glycérine du biodiesel brut. L'eau de lavage usée est concentrée pour fournir une fraction aqueuse recyclable et utilisable à nouveau pour le lavage, et une fraction contenant de la glycérine à raison d'au moins environ 10% de la masse.</description><language>eng ; fre</language><subject>ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE ORUNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL ; CHEMISTRY ; CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS ; CRACKING HYDROCARBON OILS ; FIRELIGHTERS ; FUELS ; FUELS NOT OTHERWISE PROVIDED FOR ; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC ; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS ; LIQUEFIED PETROLEUM GAS ; LUBRICANTS ; METALLURGY ; MINERAL WAXES ; NATURAL GAS ; PEAT ; PETROLEUM, GAS OR COKE INDUSTRIES ; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVEHYDROGENATION, OLIGOMERISATION, POLYMERISATION ; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, ORGASES ; REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION ; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS ; REFORMING OF NAPHTHA ; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BYSUBCLASSES C10G, C10K ; TECHNICAL GASES CONTAINING CARBON MONOXIDE ; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE</subject><creationdate>2008</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=20080731&DB=EPODOC&CC=WO&NR=2008091944A2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20080731&DB=EPODOC&CC=WO&NR=2008091944A2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>SCHRECK, DAVID, JAMES</creatorcontrib><creatorcontrib>BALMER, NORMAN, LOUIS</creatorcontrib><creatorcontrib>BUNNING, DONALD, LEROY</creatorcontrib><creatorcontrib>KAPICAK, LOUIS, A</creatorcontrib><creatorcontrib>MALISZEWSKI, THOMAS, ARTHUR</creatorcontrib><title>BIODIESEL PRODUCTION WITH REDUCED WATER EMISSIONS</title><description>Waste water emissions from a biodiesel production facility are substantially reduced by recovering water from a spent water stream used in a water washing step in the refining of crude biodiesel which has a concentration of lower alkanol below about 5000 parts per million by mass. The water washing removes glycerin from the crude biodiesel. The water is recovered from the spent water stream and is concentrated to provide an aqueous fraction which can be recycled for the water washing and an aqueous, glycerin- containing fraction that preferably contains at least about 10 mass percent glycerin.
Les émissions d'eaux d'une installation de production de biodiesel sont sensiblement réduites lorsqu'on récupère les eaux usées utilisées dans l'étape de lavage à l'eau lors du raffinage du biodiesel brut, laquelle présente une concentration massique d'alkanol inférieure à environ 5000 parties par million. L'eau de lavage extrait la glycérine du biodiesel brut. 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The water washing removes glycerin from the crude biodiesel. The water is recovered from the spent water stream and is concentrated to provide an aqueous fraction which can be recycled for the water washing and an aqueous, glycerin- containing fraction that preferably contains at least about 10 mass percent glycerin.
Les émissions d'eaux d'une installation de production de biodiesel sont sensiblement réduites lorsqu'on récupère les eaux usées utilisées dans l'étape de lavage à l'eau lors du raffinage du biodiesel brut, laquelle présente une concentration massique d'alkanol inférieure à environ 5000 parties par million. L'eau de lavage extrait la glycérine du biodiesel brut. L'eau de lavage usée est concentrée pour fournir une fraction aqueuse recyclable et utilisable à nouveau pour le lavage, et une fraction contenant de la glycérine à raison d'au moins environ 10% de la masse.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE ORUNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS CRACKING HYDROCARBON OILS FIRELIGHTERS FUELS FUELS NOT OTHERWISE PROVIDED FOR GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS LIQUEFIED PETROLEUM GAS LUBRICANTS METALLURGY MINERAL WAXES NATURAL GAS PEAT PETROLEUM, GAS OR COKE INDUSTRIES PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVEHYDROGENATION, OLIGOMERISATION, POLYMERISATION RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, ORGASES REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS REFORMING OF NAPHTHA SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BYSUBCLASSES C10G, C10K TECHNICAL GASES CONTAINING CARBON MONOXIDE TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE |
| title | BIODIESEL PRODUCTION WITH REDUCED WATER EMISSIONS |
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