FIELD: catalytic chemistry. SUBSTANCE: catalyst has 0.01-0.6 wt.-% palladium or platinum on aluminium carrier. The latter is oxidized preliminary, then platinum or palladium is applied by immersing in the aqueous solution of ammoniacal complex of metal to be precipitated at pH 8.8-12.5. Process is carried out at 170-210 C in the closed volume for 90-150 min. Complex content in the solution must be: 0.00005-0.003 mole/l for platinum complex and 0.00008-0.005 mole/l for palladium complex at the ratio of granulated aluminium and solution volume (1:13)-(1:15). EFFECT: improved method of catalyst preparing. 3 cl, 2 tbl
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Authors
Dates
1995-09-10—Published
1992-07-10—Filed