SULFUR DIOXIDE REMOVAL FROM GAS STREAMS USING SUBSTITUTESULFUR DIOXIDE REMOVAL FROM GAS STREAMS USING SUBSTITUTED PIPERAZINONES D PIPERAZINONES

SULFUR DIOXIDE REMOVAL FROM GAS STREAMS USING SUBSTITUTESULFUR DIOXIDE REMOVAL FROM GAS STREAMS USING SUBSTITUTED PIPERAZINONES D PIPERAZINONES

SO2 is removed from a gas stream by absorbing the SO2 in an aqueous solution containing a 4-(2-hydroxyalkyl)-2-piperazinone compound or an alkyl or aryl substituted derivative thereof. These compounds provide absorbent solutions that are less subject to SO2 loss during the regeneration step and yet...

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Bibliographische Detailangaben
Hauptverfasser: JONES, MARK B, MOTES, JOHN M, TREYBIG, DUANE S, POTTER, JAMES L
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
COMPOUNDS THEREOF
HETEROCYCLIC COMPOUNDS
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
ORGANIC CHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
SEPARATION
TRANSPORTING
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Beschreibung
Zusammenfassung:SO2 is removed from a gas stream by absorbing the SO2 in an aqueous solution containing a 4-(2-hydroxyalkyl)-2-piperazinone compound or an alkyl or aryl substituted derivative thereof. These compounds provide absorbent solutions that are less subject to SO2 loss during the regeneration step and yet effectively remove the SO2 from the gas stream without interference from other associated gases.