PROCESS AND APPARATUS FOR REMOVING UNWANTED COMPONENTS FROM A GAS MIXTURE

The invention proposes a process (100, 200) for removal of unwanted components from a feed gas mixture (A) comprising the unwanted components (A) and further components to be transferred into a purified gas mixture (D), wherein a temperature swing adsorption unit (10) comprising at least two adsorpt...

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Bibliographische Detailangaben
Hauptverfasser:	KRAMER, Verena, GRAHL, Matthias, HORN, Christan, SALAZAR DUARTE, Gabriel
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE ORUNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL CHEMISTRY CRACKING HYDROCARBON OILS FIRELIGHTERS FUELS FUELS NOT OTHERWISE PROVIDED FOR LIQUEFIED PETROLEUM GAS LUBRICANTS METALLURGY MINERAL WAXES NATURAL GAS 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 SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BYSUBCLASSES C10G, C10K TECHNICAL GASES CONTAINING CARBON MONOXIDE TRANSPORTING
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Beschreibung
Zusammenfassung:	The invention proposes a process (100, 200) for removal of unwanted components from a feed gas mixture (A) comprising the unwanted components (A) and further components to be transferred into a purified gas mixture (D), wherein a temperature swing adsorption unit (10) comprising at least two adsorption vessels (11-13) is used, the method comprising cyclically operating the temperature swing adsorption unit (10) in successive operation modes in each of which a different one of the at least two adsorption vessels (11) is operated in an adsorption mode while a further one of the at least two adsorption vessels (12) previously operated in the adsorption mode is operated in a regeneration mode, the adsorption mode comprising forming an adsorption gas stream (B) using a part of the feed gas mixture (A) and passing the adsorption gas stream (B) through the adsorption vessel (11) operated in the adsorption mode, and the regeneration mode comprising passing a regeneration gas stream (C) through the adsorption vessel (12) operated in the regeneration mode, thereby forming the purified gas mixture (D). The regeneration gas stream (C) is formed using a further part of the feed gas mixture (A) and/or a part of the purified gas mixture (D), wherein the regeneration mode comprises a heating phase of 5 to 90 minutes in which the regeneration gas stream (C) is heated to a desorption temperature level of 80 to 350 °C and is thereafter passed through the adsorption vessel (12) operated in the regeneration mode, wherein the regeneration mode further comprises a cooling phase subsequent to the heating phase in which the regeneration gas stream (C) is passed through the adsorption vessel (12) operated in the regeneration mode without being heated to the desorption temperature level, and wherein at least a part of the regeneration gas stream (C) is recycled and is used in forming the adsorption gas stream (B). A hydrocarbon-rich gas mixture is preferably used as the feed gas mixture (A), the hydrocarbon-rich gas mixture comprising heavy hydrocarbons with at least five carbon atoms and/or water as the unwanted components. Corresponding apparatus is also part of the invention.