METHOD FOR RECOVERING AN ETHYLENE STREAM FROM A CARBON MONOXIDE RICH FEED STREAM

This method comprises the following steps: treating a feed stream (12) to obtain a treated gas stream (60); cooling the treated gas stream (60) in a heat exchanger (34) to form at least one column feed fraction; feeding each column feed fraction into a distillation column (50); heating at least one...

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Bibliographische Detailangaben
Hauptverfasser:	SIMON, Yvon, DADOU, Aurélia, DESTOUR, Bruno
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS BLASTING CHEMISTRY COMBINED HEATING AND REFRIGERATION SYSTEMS CRACKING HYDROCARBON OILS FUELS HEAT PUMP SYSTEMS HEATING LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS LUBRICANTS MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING METALLURGY MINERAL WAXES MIXTURES BY PRESSURE AND COLD TREATMENT 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 REFRIGERATION OR COOLING SEPARATION TECHNICAL GASES CONTAINING CARBON MONOXIDE TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	This method comprises the following steps: treating a feed stream (12) to obtain a treated gas stream (60); cooling the treated gas stream (60) in a heat exchanger (34) to form at least one column feed fraction; feeding each column feed fraction into a distillation column (50); heating at least one downstream flow (106) derived from the column head stream (104) in the heat exchanger (34). The treatment step comprises the forming of an intermediate stream (20) containing at least 20 mole % ethylene and at least 20 mole % carbon monoxide, the method comprising a step to remove the carbon monoxide contained in the intermediate stream (20).