Method to reduce flue gas in incineration processes

Details Method to reduce flue gas in incineration processes Method to reduce flue gas in incineration processes

1996-08-29

1998-03-31

Capossela, Ronald C.

Refrigeration

Cryogenic treatment of gas or gas mixture

Liquefaction

62618, 62929, F25J 100

Patent

active

057325715

ABSTRACT:
The invention relates to a method to reduce flue gas in incineration processes that are carried out with an oxidizing incineration gas consisting of a flue gas that is returned to the circulation system and of a technically produced oxygen. A stoichiometrically-related proportion of the flue gas that is not added to the incineration gas has a CO.sub.2 fraction greater than 70%. In order to reduce the flue gas, the fraction of flue gas that is returned and not used as incineration gas in the incineration process is removed from the circulation system and liquefied in the device.

REFERENCES:
patent: 4547209 (1985-10-01), Netzer
patent: 4681612 (1987-07-01), O'Brien et al.
patent: 4704146 (1987-11-01), Markbreiter et al.
patent: 4762543 (1988-08-01), Pantermuehl et al.
patent: 4822394 (1989-04-01), Zeigler et al.
patent: 5060480 (1991-10-01), Saulnier
Energy Conversion and Management, Bd. 37, Nr. 6/08. 1 Juni 1996, Seiten 903-908, XP000555883 Shao Y et al: "Power Plants with CO.sub.2 Capture Using Integrated Air Separation and Flue Gas Recycling".

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