Emissions control

Details Emissions control Emissions control

1996-06-06

1998-07-07

Tran, Hien

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Waste gas purifier

422169, 422170, 422177, 422178, 60297, 60320, 55DIG30, B01D 5000, B01D 5334

Patent

active

057764174

ABSTRACT:
Substantial improvements in the control of pollutants from internal combustion engines may be obtained by pre-drying a catalyst/hydrocarbon trap system and preferably incorporating a water trap in a catalyst/hydrocarbon trap system. A pre-drying system dries the water trap, HC trap and catalyst, eg upon engine switch-off.

REFERENCES:
patent: 3699683 (1972-10-01), Tourtellotte et al.
patent: 4395876 (1983-08-01), Marsee et al.
patent: 4919903 (1990-04-01), Gandhi et al.
patent: 5078979 (1992-01-01), Dunne
patent: 5125231 (1992-06-01), Patil et al.
patent: 5332554 (1994-07-01), Yasahi et al.
patent: 5397550 (1995-03-01), Marino, Jr.
patent: 5417947 (1995-05-01), Hertl et al.

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