Catalysts for MTBE cracking to isobutene are a series of supported solid acid catalysts. Yanshan branch, BRICI began the research of the catalysts in 1981. The catalyst was first industrialized in 1992, and has been commercially used for many times:
Reaction temperature:································································· 170~230℃
Reaction pressure:································································· ··0.4~0.6 MPa
LHSV (v/v)···················································································2.5~3h-1
Reaction phase:············································································Gas-solid
MTBE conversion:·············································································≥ 95%
Isobutene selectivity:········································································· ≥99%
Methanol selectivity:·········································································· ≥98%
Catalyst life:·················································································· ≥2years
Fig. YL-2 MTBE cracking catalyst Figure35kt/a for MTBE cracking to isobutene