Multi-stage temperature based separation of gas impurities

A process is provided for the removal of impurities from the exhaust gases being emitted from a power generation plant. A multi-stage temperature based separation system is being utilized. The removal of undesirable compounds/elements is accomplished by directing the exhaust gases from the power pla...

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Bibliographische Detailangaben
1. Verfasser:	Kuku Lai O
Format:	Patent
Sprache:	eng
Schlagworte:	CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSEGASES [GHG] GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRANSPORTING
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Beschreibung
Zusammenfassung:	A process is provided for the removal of impurities from the exhaust gases being emitted from a power generation plant. A multi-stage temperature based separation system is being utilized. The removal of undesirable compounds/elements is accomplished by directing the exhaust gases from the power plant through a first stage cooling unit to lower the temperature of the exhaust gases to a first predetermined level that is below the boiling point of one or more of the undesired compounds/elements, diverting the resulting liquid to storage, directing the gas to a second stage cooling unit to further lower the temperature of the exhaust gases to a second predetermined level that is below the boiling point of several more of the undesired compounds/elements. The resulting exhaust gas is a very clean syngas that may be used in various commercial applications.