Contact kuratsukingu catalytic converter and additive

摘要

PURPOSE: To provide a modified catalytic cracking catalyst composition and an additive composition highly effective for depressing a disadvantageous effect of metals such as V and Ni. ;CONSTITUTION: A composition containing dispersed particles is prepared by dispersing rare earth compounds selected from the group comprising rare earth oxides, acid chlorides and mixtures of these into a metakaolin base material which is reacted with acids.;COPYRIGHT: (C)1994,JPO