PROCESS FOR THE REDUCTION OR ELIMINATION OF HYDROGEN SULPHIDE

THE INVENTION PROVIDES A PROCESS FOR REDUCING THE LEVEL OF HYDROGEN SULPHIDE IN A LIQUID OR GAS BY TREATMENT OF THE LIQUID OR GAS WITH AN H2S-SCAVENGER PRODUCT DERIVABLE BY THE REACTION OF A CARBONYL GROUP-CONTAINING COMPOUND WITH AN ALCOHOL, THIOL, AMIDE, THIOAMIDE, UREA OR THIOUREA. THE CARBONYL G...

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Bibliographische Detailangaben
Hauptverfasser:	HUBERN LARRY SMITH, ANNE FAISTRUP JOHNSEN, BORRE LEIF KNUDSEN
Format:	Patent
Sprache:	eng
Schlagworte:	ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE ORUNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL CHEMISTRY FIRELIGHTERS FUELS FUELS NOT OTHERWISE PROVIDED FOR LIQUEFIED PETROLEUM GAS LUBRICANTS METALLURGY NATURAL GAS PEAT PETROLEUM, GAS OR COKE INDUSTRIES SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BYSUBCLASSES C10G, C10K TECHNICAL GASES CONTAINING CARBON MONOXIDE
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Beschreibung
Zusammenfassung:	THE INVENTION PROVIDES A PROCESS FOR REDUCING THE LEVEL OF HYDROGEN SULPHIDE IN A LIQUID OR GAS BY TREATMENT OF THE LIQUID OR GAS WITH AN H2S-SCAVENGER PRODUCT DERIVABLE BY THE REACTION OF A CARBONYL GROUP-CONTAINING COMPOUND WITH AN ALCOHOL, THIOL, AMIDE, THIOAMIDE, UREA OR THIOUREA. THE CARBONYL GROUP-CONTAINING COMPOUND IS PREFERABLY FORMALDEHYDE, AND PREFERABLY THE PRODUCT IS DERIVABLE BY REACTION OF FORMALDEHYDE WITH AN AMINE-FREE ALCOHOL OR UREA SELECTED FROM ETHYLENE GLYCOL, PROPYLENE GLYCOL, GLYCEROL, DIETHYLENE GLYCOL, TRIETHYLENE GLYCOL, ETHYL ALCOHOL, N-BUTANOL, A SUGAR, A LOW MOLECULAR WEIGHT POLYVINYL ALCOHOL, CASTOR OIL FATTY ACID AND UREA. MORE ESPECIALLY, THE SCAVENGER PRODUCT IS USED WITH AN AMINE, ESPECIALLY MONOETHANOLAMINE.