Molecular sieve catalyst composition
OwnerTorsten Maurer, Bettina Kraushaar-Czarnetzkiinventors
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Abstract
A catalyst composition comprising molecular sieve particles in a matrix, at least 75% of the pore volume of the composition, as measured by mercury porosimetry, having a pore size of at most 20 nm, as well as processes for the manufacture of such catalysts and their use as catalysts, especially for methanol to hydrocarbon processes. These catalyst compositions have a high proportion of mesopores (pores of at most 20 nm as measured by mercury porosimetry).
Claims25
A catalyst composition comprising molecular sieve particles in a matrix, at least 75% of the pore volume of the composition, as measured by mercury porosimetry, having a pore size of at most 20 nm.
A process for the manufacture of a catalyst composition comprising molecular sieve catalyst particles in a matrix, at least 75% of the pore volume of the composition, as measured by mercury porosimetry, being of pore size of at most 20 nm, the process comprising the steps of:
- a) forming a template-containing molecular sieve,
- b) mixing the template-containing molecular sieve with a binder, and optionally an additional matrix-forming material, under conditions resulting in the catalyst composition of the desired pore volume and pore size,
- c) ion-exchanging the template-containing molecular sieve, and
- d) calcining the template-containing ion-exchanged molecular sieve.
Dependencies are inferred from the claim text.