Chemistry of inorganic compounds – Modifying or removing component of normally gaseous mixture – Nitrogen or nitrogenous component
Patent
1978-12-05
1980-09-23
Peters, G. O.
Chemistry of inorganic compounds
Modifying or removing component of normally gaseous mixture
Nitrogen or nitrogenous component
252440, 252457, B01D 5334
Patent
active
042242924
ABSTRACT:
Nitrogen oxides in exhaust gases are catalytically reduced in the presence of oxygen and ammonia at 200.degree. to 600.degree. C. over a catalyst of at least one catalyst component selected from the group consisting of compounds of metals of Groups 1B, 5A, 6A, 7A and 8 of the periodic table, and lanthanides and tin which is supported on a specific carrier comprising a main component of calcium silicate.
REFERENCES:
patent: 3915896 (1975-10-01), Oliver
patent: 3939104 (1976-02-01), Campbell et al.
Kaneko Takao
Matsushita Kunichi
Oguri Yasuo
Okano Takeshi
Saito Junji
Mitsubishi Chemical Industries Limited
Peters G. O.
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