摘要:
A carbon-containing catalyst support is prepared by treating the carbon-containing catalyst support with a compound of the formula IM(OR).sub.m X.sub.n Iwhere M is Ti or Zr, X is Cl or Br, and R is C.sub.1 -C.sub.20 -alkyl, and m and n are integers from zero to four, where the sum of m and n is equal to four.
摘要:
A process of use of hydrogenation catalyst, obtainable by carrying out essentially the following steps:(a) treatment of a platinum metal salt with finely divided sulfur followed by(b) reduction of the platinum metal salt to metallic platinum metal.