Absorption medium and method for removing sour gases from fluid streams, in particular from flue gases

Absorption medium for sour gases, comprising an oligoamine (A) of the general formula (I) and a primary or secondary alkanol amine (B) of the general formula (II), in which the weight ratio of oligoamine (A) to primary or secondary alkanol amine (B) is 0.2 to 4, and a method for removing sour gases...

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Bibliographische Detailangaben
Hauptverfasser:	SPUHL, OLIVER, LICHTFERS, UTE, THIELE, ROBIN, SIEDER, GEORG, VOGES, SUSANNA, GARCIA ANDARCIA, HUGO RAFAEL
Format:	Patent
Sprache:	eng
Schlagworte:	ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE ORUNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL CHEMISTRY FIRELIGHTERS FUELS FUELS NOT OTHERWISE PROVIDED FOR LIQUEFIED PETROLEUM GAS LUBRICANTS METALLURGY NATURAL GAS PEAT PERFORMING OPERATIONS PETROLEUM, GAS OR COKE INDUSTRIES PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BYSUBCLASSES C10G, C10K TECHNICAL GASES CONTAINING CARBON MONOXIDE TRANSPORTING
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Beschreibung
Zusammenfassung:	Absorption medium for sour gases, comprising an oligoamine (A) of the general formula (I) and a primary or secondary alkanol amine (B) of the general formula (II), in which the weight ratio of oligoamine (A) to primary or secondary alkanol amine (B) is 0.2 to 4, and a method for removing sour gases from a gas stream by contacting the gas stream at a pressure of 0.05 to 10 MPa abs with an aqueous solution of said absorption medium, said solution being temperature-controlled at a temperature of 20 to 80°C.