Process for synthesizing hydrocarbons

A process ( 10 ) for synthesising hydrocarbons includes feeding a gaseous feedstock ( 18 ) comprising hydrogen and carbon monoxide, into a first Fischer-Tropsch reaction stage ( 12 ) which is a three-phase low temperature catalytic Fischer-Tropsch reaction stage, and allowing the hydrogen and carbon...

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Bibliographische Detailangaben
1. Verfasser:	STEYNBERG ANDRE P.,DE BOER JACOB W.,NEL HERMAN G.,ERNST WERNER S.,LIEBENBERG JOHANNES J
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMISTRY CRACKING HYDROCARBON OILS FUELS LUBRICANTS METALLURGY MINERAL WAXES ORGANIC CHEMISTRY 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 REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS REFORMING OF NAPHTHA TECHNICAL GASES CONTAINING CARBON MONOXIDE
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Beschreibung
Zusammenfassung:	A process ( 10 ) for synthesising hydrocarbons includes feeding a gaseous feedstock ( 18 ) comprising hydrogen and carbon monoxide, into a first Fischer-Tropsch reaction stage ( 12 ) which is a three-phase low temperature catalytic Fischer-Tropsch reaction stage, and allowing the hydrogen and carbon monoxide partially to react catalytically in the first reaction stage ( 12 ) to form hydrocarbons. At least a portion of a tail gas ( 32 ) which includes unreacted hydrogen and carbon monoxide obtained from the first reaction stage, is fed into a second Fischer-Tropsch reaction stage ( 42 ) which is a two-phase high temperature catalytic Fischer-Tropsch reaction stage. The hydrogen and carbon monoxide are allowed at least partially to react catalytically in the second reaction stage ( 42 ) to form gaseous hydrocarbons.