Apparatus and methods for gas-liquid separation

Gas-liquid separation comprising: a) feeding a product stream comprising a mixture of liquid and gaseous hydrocarbon products and water vapour from a Fischer-Tropsch reactor into a first vapour-liquid separator inside which the product stream is separated into a first liquid comprising a first cut o...

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Bibliographische Detailangaben
Hauptverfasser:	Roger Kenneth Bence, Jay Simon Clarkson, Andrew James Coe
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMISTRY CRACKING HYDROCARBON OILS FUELS LUBRICANTS METALLURGY MINERAL WAXES ORGANIC CHEMISTRY PEAT PERFORMING OPERATIONS PETROLEUM, GAS OR COKE INDUSTRIES PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVEHYDROGENATION, OLIGOMERISATION, POLYMERISATION RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, ORGASES REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS REFORMING OF NAPHTHA SEPARATION TECHNICAL GASES CONTAINING CARBON MONOXIDE TRANSPORTING
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Beschreibung
Zusammenfassung:	Gas-liquid separation comprising: a) feeding a product stream comprising a mixture of liquid and gaseous hydrocarbon products and water vapour from a Fischer-Tropsch reactor into a first vapour-liquid separator inside which the product stream is separated into a first liquid comprising a first cut of the hydrocarbon products and a first gas stream comprising gaseous hydrocarbon products and water vapour; b) collecting the first liquid at a liquid outlet of the first vapour-liquid separator; c) discharging the first gas stream from a gas outlet of the first vapour-liquid separator and feeding the first gas stream through a first cooler to apply cooling to the first gas stream to condense a portion of the gaseous hydrocarbon products and water vapour to form a first cooled mixture; d) feeding the first cooled mixture from the first cooler into a second vapour-liquid separator inside which the first cooled mixture is separated into a second liquid comprising a second cut of the hydrocarbon products and water, and a second gas stream comprising any remainder of the hydrocarbon products and water vapour; e) collecting the second liquid at a liquid outlet of the second vapour-liquid separator; f) discharging the second gas stream from a gas outlet of the second vapour-liquid separator; g) feeding the second gas stream from the gas outlet of the second vapour-liquid separator through a second cooler to apply cooling to the second gas stream to condense a portion of the remainder of the hydrocarbon products and water vapour to form a second cooled mixture;h) feeding the second cooled mixture from the second cooler into a third vapour-liquid separator inside which the second cooled mixture is separated into a third liquid comprising a third cut of the hydrocarbon products and water, and a third gas stream; i) collecting the third liquid at a liquid outlet of the third vapour-liquid separator; and j) discharging the third gas stream from a gas outlet of the third vapour-liquid separator, wherein the method further comprises feeding the second liquid and the third liquid into a single decanter inside which the second liquid and the third liquid are separated into liquid hydrocarbon products and water.