| 摘要 |
PCT No. PCT/FI93/00099 Sec. 371 Date Sep. 19, 1994 Sec. 102(e) Date Sep. 19, 1994 PCT Filed Mar. 18, 1993 PCT Pub. No. WO93/18855 PCT Pub. Date Sep. 30, 1993The invention relates to a method for impregnating alumina-containing catalyst support with platinum. In the method a platinum-containing solution is prepared by using a compound which contains bivalent platinum. The method comprises a stage during which the said platinum-containing solution is oxidized in order to form a solution which contains tetravalent platinum, from which solution platinum is adsorbed on the support.
|
