PROCESS OF TREATING A SPENT CAUSTIC STREAM USING AN ELECTROLYZER
A continuous method for the treatment of a spent caustic stream used to scrub a hydrocarbon process stream to remove oxidizable sulfur-containing compounds is disclosed. The process may include an oxidizing hypochlorous acid reactant, a catalyst to promote the oxidation of sulfur-containing compound...
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| description | A continuous method for the treatment of a spent caustic stream used to scrub a hydrocarbon process stream to remove oxidizable sulfur-containing compounds is disclosed. The process may include an oxidizing hypochlorous acid reactant, a catalyst to promote the oxidation of sulfur-containing compounds and the neutralization of sodium hydroxide. The hypochlorous acid is produced by an electrolyzer that also produces a hydrogen stream that is directed to a PEM fuel cell to generate at least a portion of the energy used by the electrolyzer.
Procédé continu de traitement de flux caustique aqueux utilisé pour décanter un flux de traitement d'hydrocarbure, dans le but d'éliminer les composés soufrés : mélange de flux d'acide hypochloreux d'oxydation produit à partir d'une solution de saumure aqueuse avec le flux caustique pour former un flux d'alimentation réactif mixte; contact de ce flux avec au moins un catalyseur pour favoriser l'oxydation des composés soufrés et la neutralisation de l'hydroxyde de sodium; et récupération du flux de produit traité neutre comprenant, en milieu aqueux, sulfate de sodium, carbonate de sodium et chlorure de sodium inodores, non toxiques et éco-compatibles aux fins de rejet en mer ou en système d'égout classique. De préférence, l'acide hypochloreux est produit par un électrolyseur qui produit aussi (1) mat de flux d'hydrogène orienté vers une pile à combustible échangeuse de protons pour la production d'au moins une partie de l'énergie requise par l'électrolyseur, et (2) eau combinée avec de l'hydroxyde de sodium frais issu de l'électrolyseur pour la formation de flux caustique frais destiné à la fonction de décantation susmentionnée. |
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Procédé continu de traitement de flux caustique aqueux utilisé pour décanter un flux de traitement d'hydrocarbure, dans le but d'éliminer les composés soufrés : mélange de flux d'acide hypochloreux d'oxydation produit à partir d'une solution de saumure aqueuse avec le flux caustique pour former un flux d'alimentation réactif mixte; contact de ce flux avec au moins un catalyseur pour favoriser l'oxydation des composés soufrés et la neutralisation de l'hydroxyde de sodium; et récupération du flux de produit traité neutre comprenant, en milieu aqueux, sulfate de sodium, carbonate de sodium et chlorure de sodium inodores, non toxiques et éco-compatibles aux fins de rejet en mer ou en système d'égout classique. De préférence, l'acide hypochloreux est produit par un électrolyseur qui produit aussi (1) mat de flux d'hydrogène orienté vers une pile à combustible échangeuse de protons pour la production d'au moins une partie de l'énergie requise par l'électrolyseur, et (2) eau combinée avec de l'hydroxyde de sodium frais issu de l'électrolyseur pour la formation de flux caustique frais destiné à la fonction de décantation susmentionnée.</description><language>eng ; fre</language><subject>APPARATUS THEREFOR ; BASIC ELECTRIC ELEMENTS ; CHEMISTRY ; CRACKING HYDROCARBON OILS ; ELECTRICITY ; ELECTROLYTIC OR ELECTROPHORETIC PROCESSES ; ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTIONOF COMPOUNDS OR NON-METALS ; FUELS ; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC ; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS ; LUBRICANTS ; METALLURGY ; MINERAL WAXES ; PEAT ; PERFORMING OPERATIONS ; PETROLEUM, GAS OR COKE INDUSTRIES ; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL ; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY ; 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 ; SEPARATION ; TECHNICAL GASES CONTAINING CARBON MONOXIDE ; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ; TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE ; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE ; TRANSPORTING ; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE</subject><creationdate>2007</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=20071101&DB=EPODOC&CC=WO&NR=2006124883A3$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20071101&DB=EPODOC&CC=WO&NR=2006124883A3$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>AL-SHAHRANI, FAHRAN, M</creatorcontrib><creatorcontrib>MARTINIE, GARY, D</creatorcontrib><creatorcontrib>DABBOUSI, BASHIR, O</creatorcontrib><title>PROCESS OF TREATING A SPENT CAUSTIC STREAM USING AN ELECTROLYZER</title><description>A continuous method for the treatment of a spent caustic stream used to scrub a hydrocarbon process stream to remove oxidizable sulfur-containing compounds is disclosed. The process may include an oxidizing hypochlorous acid reactant, a catalyst to promote the oxidation of sulfur-containing compounds and the neutralization of sodium hydroxide. The hypochlorous acid is produced by an electrolyzer that also produces a hydrogen stream that is directed to a PEM fuel cell to generate at least a portion of the energy used by the electrolyzer.
Procédé continu de traitement de flux caustique aqueux utilisé pour décanter un flux de traitement d'hydrocarbure, dans le but d'éliminer les composés soufrés : mélange de flux d'acide hypochloreux d'oxydation produit à partir d'une solution de saumure aqueuse avec le flux caustique pour former un flux d'alimentation réactif mixte; contact de ce flux avec au moins un catalyseur pour favoriser l'oxydation des composés soufrés et la neutralisation de l'hydroxyde de sodium; et récupération du flux de produit traité neutre comprenant, en milieu aqueux, sulfate de sodium, carbonate de sodium et chlorure de sodium inodores, non toxiques et éco-compatibles aux fins de rejet en mer ou en système d'égout classique. De préférence, l'acide hypochloreux est produit par un électrolyseur qui produit aussi (1) mat de flux d'hydrogène orienté vers une pile à combustible échangeuse de protons pour la production d'au moins une partie de l'énergie requise par l'électrolyseur, et (2) eau combinée avec de l'hydroxyde de sodium frais issu de l'électrolyseur pour la formation de flux caustique frais destiné à la fonction de décantation susmentionnée.</description><subject>APPARATUS THEREFOR</subject><subject>BASIC ELECTRIC ELEMENTS</subject><subject>CHEMISTRY</subject><subject>CRACKING HYDROCARBON OILS</subject><subject>ELECTRICITY</subject><subject>ELECTROLYTIC OR ELECTROPHORETIC PROCESSES</subject><subject>ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTIONOF COMPOUNDS OR NON-METALS</subject><subject>FUELS</subject><subject>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</subject><subject>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</subject><subject>LUBRICANTS</subject><subject>METALLURGY</subject><subject>MINERAL WAXES</subject><subject>PEAT</subject><subject>PERFORMING OPERATIONS</subject><subject>PETROLEUM, GAS OR COKE INDUSTRIES</subject><subject>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</subject><subject>PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY</subject><subject>PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVEHYDROGENATION, OLIGOMERISATION, POLYMERISATION</subject><subject>RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, ORGASES</subject><subject>REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION</subject><subject>REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS</subject><subject>REFORMING OF NAPHTHA</subject><subject>SEPARATION</subject><subject>TECHNICAL GASES CONTAINING CARBON MONOXIDE</subject><subject>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</subject><subject>TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE</subject><subject>TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE</subject><subject>TRANSPORTING</subject><subject>TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2007</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZHAICPJ3dg0OVvB3UwgJcnUM8fRzV3BUCA5w9QtRcHYMDQ7xdFYIBsn4KoQGgyX9FFx9XJ1Dgvx9IqNcg3gYWNMSc4pTeaE0N4Oym2uIs4duakF-fGpxQWJyal5qSXy4v5GBgZmhkYmFhbGjsTFxqgBaCiut</recordid><startdate>20071101</startdate><enddate>20071101</enddate><creator>AL-SHAHRANI, FAHRAN, M</creator><creator>MARTINIE, GARY, D</creator><creator>DABBOUSI, BASHIR, O</creator><scope>EVB</scope></search><sort><creationdate>20071101</creationdate><title>PROCESS OF TREATING A SPENT CAUSTIC STREAM USING AN ELECTROLYZER</title><author>AL-SHAHRANI, FAHRAN, M ; MARTINIE, GARY, D ; DABBOUSI, BASHIR, O</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_WO2006124883A33</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre</language><creationdate>2007</creationdate><topic>APPARATUS THEREFOR</topic><topic>BASIC ELECTRIC ELEMENTS</topic><topic>CHEMISTRY</topic><topic>CRACKING HYDROCARBON OILS</topic><topic>ELECTRICITY</topic><topic>ELECTROLYTIC OR ELECTROPHORETIC PROCESSES</topic><topic>ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTIONOF COMPOUNDS OR NON-METALS</topic><topic>FUELS</topic><topic>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</topic><topic>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</topic><topic>LUBRICANTS</topic><topic>METALLURGY</topic><topic>MINERAL WAXES</topic><topic>PEAT</topic><topic>PERFORMING OPERATIONS</topic><topic>PETROLEUM, GAS OR COKE INDUSTRIES</topic><topic>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</topic><topic>PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY</topic><topic>PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVEHYDROGENATION, OLIGOMERISATION, POLYMERISATION</topic><topic>RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, ORGASES</topic><topic>REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION</topic><topic>REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS</topic><topic>REFORMING OF NAPHTHA</topic><topic>SEPARATION</topic><topic>TECHNICAL GASES CONTAINING CARBON MONOXIDE</topic><topic>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</topic><topic>TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE</topic><topic>TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE</topic><topic>TRANSPORTING</topic><topic>TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE</topic><toplevel>online_resources</toplevel><creatorcontrib>AL-SHAHRANI, FAHRAN, M</creatorcontrib><creatorcontrib>MARTINIE, GARY, D</creatorcontrib><creatorcontrib>DABBOUSI, BASHIR, O</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>AL-SHAHRANI, FAHRAN, M</au><au>MARTINIE, GARY, D</au><au>DABBOUSI, BASHIR, O</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>PROCESS OF TREATING A SPENT CAUSTIC STREAM USING AN ELECTROLYZER</title><date>2007-11-01</date><risdate>2007</risdate><abstract>A continuous method for the treatment of a spent caustic stream used to scrub a hydrocarbon process stream to remove oxidizable sulfur-containing compounds is disclosed. The process may include an oxidizing hypochlorous acid reactant, a catalyst to promote the oxidation of sulfur-containing compounds and the neutralization of sodium hydroxide. The hypochlorous acid is produced by an electrolyzer that also produces a hydrogen stream that is directed to a PEM fuel cell to generate at least a portion of the energy used by the electrolyzer.
Procédé continu de traitement de flux caustique aqueux utilisé pour décanter un flux de traitement d'hydrocarbure, dans le but d'éliminer les composés soufrés : mélange de flux d'acide hypochloreux d'oxydation produit à partir d'une solution de saumure aqueuse avec le flux caustique pour former un flux d'alimentation réactif mixte; contact de ce flux avec au moins un catalyseur pour favoriser l'oxydation des composés soufrés et la neutralisation de l'hydroxyde de sodium; et récupération du flux de produit traité neutre comprenant, en milieu aqueux, sulfate de sodium, carbonate de sodium et chlorure de sodium inodores, non toxiques et éco-compatibles aux fins de rejet en mer ou en système d'égout classique. De préférence, l'acide hypochloreux est produit par un électrolyseur qui produit aussi (1) mat de flux d'hydrogène orienté vers une pile à combustible échangeuse de protons pour la production d'au moins une partie de l'énergie requise par l'électrolyseur, et (2) eau combinée avec de l'hydroxyde de sodium frais issu de l'électrolyseur pour la formation de flux caustique frais destiné à la fonction de décantation susmentionnée.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | APPARATUS THEREFOR BASIC ELECTRIC ELEMENTS CHEMISTRY CRACKING HYDROCARBON OILS ELECTRICITY ELECTROLYTIC OR ELECTROPHORETIC PROCESSES ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTIONOF COMPOUNDS OR NON-METALS FUELS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS LUBRICANTS METALLURGY MINERAL WAXES PEAT PERFORMING OPERATIONS PETROLEUM, GAS OR COKE INDUSTRIES PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY 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 SEPARATION TECHNICAL GASES CONTAINING CARBON MONOXIDE TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRANSPORTING TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE |
| title | PROCESS OF TREATING A SPENT CAUSTIC STREAM USING AN ELECTROLYZER |
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