NOVEL DIAMINE SOLVENT SYSTEM FOR CO2 CAPTURE

NOVEL DIAMINE SOLVENT SYSTEM FOR CO2 CAPTURE

Disclosed herein is a method and system for CO2 removal from a gas stream using a diamine solvent having a Formula IR1(R2)N−L1−NH-R3  Formula I.With respect to Formula I, each of R1 and R2 independently is aliphatic, cycloaliphatic, or R1 and R2 together with the nitrogen to which they are attached,...

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Bibliographische Detailangaben
Hauptverfasser: Cantu, David C, Perry, Robert, Heldebrant, David J, Rousseau, Roger J, Koech, Phillip K, Glezakou, Vassiliki-Alexandra, Page, Jordan P, Malhotra, Deepika, Nguyen, Manh Thuong
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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Beschreibung
Zusammenfassung:Disclosed herein is a method and system for CO2 removal from a gas stream using a diamine solvent having a Formula IR1(R2)N−L1−NH-R3  Formula I.With respect to Formula I, each of R1 and R2 independently is aliphatic, cycloaliphatic, or R1 and R2 together with the nitrogen to which they are attached, form a heterocyclyl ring; L1 is aliphatic, cycloaliphatic, or L1 and R1 together with the nitrogen to which they are attached form a heterocyclyl ring; and R3 is aliphatic, cycloaliphatic, cycloalkylalkyl, or alkoxyalkyl. And/or the compound may have a viscosity of less than 75 cP at a CO2-loading of 40 mol % and at a temperature of 40° C.