| abstract |
porous ceramic body; catalyst; process; process for the preparation of a 1,2-diol, a 1,2-diol ether, a 1,2-carbonate or an alkanolamine is a carrier that has at least three shoulders, a first end, a second end, a wall between the ends and a non-uniform transition radius at the intersection of an end and the wall. it also proves to be a catalyst comprising the carrier, silver and promoters deposited on the carrier and useful for the epoxidation of olefins. it also reveals a method for producing the carrier, a method for producing the catalyst and a process for epoxidizing an olefin with catalyst. |