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US08747520B2 Carbon dioxide capture from power or process plant gases 失效
二氧化碳从动力或工艺气体中捕获

Carbon dioxide capture from power or process plant gases
Abstract:
The present invention are methods for removing preselected substances from a mixed flue gas stream characterized by cooling said mixed flue gas by direct contact with a quench liquid to condense at least one preselected substance and form a cooled flue gas without substantial ice formation on a heat exchanger. After cooling additional process methods utilizing a cryogenic approach and physical concentration and separation or pressurization and sorbent capture may be utilized to selectively remove these materials from the mixed flue gas resulting in a clean flue gas.
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