METHOD FOR PURIFYING BIOGAS THROUGH MEMBRANES AT NEGATIVE TEMPERATURES

The invention relates to a method for membrane permeation of a gas flow including methane and carbon dioxide, wherein said gas flow is cooled to a temperature of 0° C. to −60° C. before being fed into a membrane separation unit.

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Bibliographische Detailangaben
Hauptverfasser:	GARNAUD Delphine, HASSE David J, BIGEARD Sarah, KULKARNI Sudhir S, SANDERS Edgar S, ZICK Golo
Format:	Patent
Sprache:	eng
Schlagworte:	ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE ORUNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL BLASTING CHEMISTRY COMBINED HEATING AND REFRIGERATION SYSTEMS FIRELIGHTERS FUELS FUELS NOT OTHERWISE PROVIDED FOR HEAT PUMP SYSTEMS HEATING LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS LIQUEFIED PETROLEUM GAS LUBRICANTS MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING METALLURGY MIXTURES BY PRESSURE AND COLD TREATMENT NATURAL GAS PEAT PERFORMING OPERATIONS PETROLEUM, GAS OR COKE INDUSTRIES PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL REFRIGERATION OR COOLING SEPARATION SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BYSUBCLASSES C10G, C10K TECHNICAL GASES CONTAINING CARBON MONOXIDE TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to a method for membrane permeation of a gas flow including methane and carbon dioxide, wherein said gas flow is cooled to a temperature of 0° C. to −60° C. before being fed into a membrane separation unit.