Exhaust gas converter device

Details Exhaust gas converter device Exhaust gas converter device

1993-03-19

1994-05-31

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Waste gas purifier

422177, 422211, 422222, 55DIG30, 60299, 60301, B01D 5334

Patent

active

053167384

ABSTRACT:
Poisoning-preventive and poisoning-resistant materials including: a poisoning-preventive layer-possessing support comprising a support and, formed thereon, a poisoning-preventive layer having a compound containing at least one element selected from the Group IIa element of the periodic table; a poisoning-resistant catalyst for catalytic converter, which comprises a support, a noble metal catalytic component deposited on the support, and a poisoning-preventive layer formed on the side of the catalytic component exposed to an exhaust gas, the poisoning-preventive layer having a compound containing at least one element selected from the Group IIa elements of the periodic table; an exhaust gas converter device comprising a poisoning-preventive material provided on the exhaust gas inlet side, the poisoning-preventive material being either a ceramic material or the poisoning-preventive layer-possessing support as described above, the ceramic material comprising a compound containing at least one element selected from the Group IIa elements of the periodic table or comprising the compound and other ceramic compound, and a catalyst provided on the exhaust gas outlet side, the catalyst comprising a support and a noble metal catalytic component deposited on the support; and a poisoning-preventive gasoline composition comprising a gasoline and a compound containing at least one element selected from the Group IIa elements of the periodic table.

REFERENCES:
patent: 3409390 (1968-11-01), Hoekstra
patent: 3806582 (1974-04-01), Acres et al.
patent: 3969082 (1976-07-01), Cairns et al.
patent: 4040797 (1977-08-01), Young
patent: 4072471 (1978-02-01), Morgan, Jr. et al.
patent: 4080179 (1978-03-01), Boyer
patent: 4118199 (1978-10-01), Volker et al.
patent: 4134733 (1979-01-01), Volker et al.
patent: 4289737 (1981-12-01), Acres et al.
patent: 4388275 (1983-06-01), Fratzer et al.
patent: 4407785 (1983-10-01), Pfefferle
patent: 4415537 (1983-11-01), Vine et al.

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