FIELD: oxidation catalysts. SUBSTANCE: exhausted catalyst designed for use in cartridge-type CO filters is first treated with gaseous nitrogen, then for 20 to 40 min with nitrogen-hydrogen mixture at ratio 12:(0.05-0.30) and temperature 20 to 100 C, and finally with gaseous nitrogen. EFFECT: significantly increased number of regeneration cycles so increasing degree of regeneration. 2 cl, 1 tbl, 5 ex
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Authors
Dates
2000-12-10—Published
1999-05-07—Filed