A bifunctional catalyst for example for conversion of oxygenates, the bifunctional catalyst comprising zeolite, alumina binder, Zn and P, wherein Zn is present at least partly as ZnAl.sub.2O.sub.4.

Described are a catalyst for producing isopropylbenzene and the production method and use thereof. The catalyst includes a support and an active component supported on the support, wherein the support comprises a support substrate and a modifying auxiliary component supported on the support substrate, wherein the active component includes metal palladium and/or an oxide thereof, and the modifying auxiliary component is phosphorus and/or an oxide thereof; optionally, the active component further includes metal copper and/or an oxide thereof; the catalyst further includes a sulfur-containing compound.

Described are a catalyst for producing isopropylbenzene and the production method and use thereof. The catalyst includes a support and an active component supported on the support, wherein the support comprises a support substrate and a modifying auxiliary component supported on the support substrate, wherein the active component includes metal palladium and/or an oxide thereof, and the modifying auxiliary component is phosphorus and/or an oxide thereof; optionally, the active component further includes metal copper and/or an oxide thereof; the catalyst further includes a sulfur-containing compound.

A phosphorus-modified MFI-structured molecular sieve is characterized in that the molecular sieve has a K value, satisfying: 70%≤K≤90%; for example, 75%≤K≤90%; further for example, 78%≤K≤85%. The K value is as defined in the specification. A cracking auxiliary or cracking catalyst contains the phosphorus-modified MFI molecular sieve.

A phosphorus-modified MFI-structured molecular sieve is characterized in that the molecular sieve has a K value, satisfying: 70%≤K≤90%; for example, 75%≤K≤90%; further for example, 78%≤K≤85%. The K value is as defined in the specification. A cracking auxiliary or cracking catalyst contains the phosphorus-modified MFI molecular sieve.

The present invention relates to a catalyst for preparing a light olefin, a preparation method therefor, and a method for preparing a light olefin by using same, and can provide a catalyst for preparing a light olefin, a preparation method therefor, and a method for preparing a light olefin by using same, the catalyst comprising a porous zeolite, a clay, an inorganic oxide binder, and Ag.sub.2O and P.sub.2O.sub.5 which are supported in the pores and/or on the surface of the porous zeolite.

The present invention relates to a catalyst for preparing a light olefin, a preparation method therefor, and a method for preparing a light olefin by using same, and can provide a catalyst for preparing a light olefin, a preparation method therefor, and a method for preparing a light olefin by using same, the catalyst comprising a porous zeolite, a clay, an inorganic oxide binder, and Ag.sub.2O and P.sub.2O.sub.5 which are supported in the pores and/or on the surface of the porous zeolite.

A process is provided for the catalytic cracking of a glyceride oil feedstock with a catalyst composition containing a deactivated phosphorus-containing ZSM-5 light olefins selective additive.

A process is provided for the catalytic cracking of a glyceride oil feedstock with a catalyst composition containing a deactivated phosphorus-containing ZSM-5 light olefins selective additive.

A process is disclosed for producing distillate range hydrocarbons using MTW and/or SSZ-41x catalysts.