METHOD OF PREPARING CATALYST FOR OXIDATION OR HYDROCARBON-CONTAINING GASES Russian patent published in 2001 - IPC

Abstract RU 2175264 C1

FIELD: protection of environment from toxic components of waste gases, more particularly catalytic oxidizing purification of hydrocarbon- containing gases. SUBSTANCE: described is method of preparing catalyst for oxidation of hydrocarbon-containing gases by deposition of platinum on preoxidized metallic carrier from stainless steel in aqueous solution [Pt(NH₃)]Cl₂ and 0.005 mole/l of potassium hydroxide at 170-210 C in closed volume for 150-180 min. In this case, carrier of is made metal-rubber (MR) material, and deposition is carried out in aqueous solution containing 6•10^-4-12•10^-4 mole/l of [Pt(NH₃)₄]Cl₂ at carrier volume to solution volume ratio ranging from 1:10 to 1:1.11. Density of material MR is 1.97-2.99 g/cubic cm. EFFECT: catalyst has high activity at 250-400 C, low gas dynamic resistance to reaction stream and desired geometric shape and porosity of carrier. 2 cl, 2 tbl

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RU 2 175 264 C1

Authors

Mal'Chikov G.D.

Rasshchepkina N.A.

Tupikova E.N.

Golubev O.N.

Dates

2001-10-27—Published

2000-03-03—Filed