Examples of 'heterogeneous catalyst' in a sentence
Meaning of "heterogeneous catalyst"
heterogeneous catalyst - This phrase is used in chemistry to describe a substance or material that speeds up a chemical reaction by providing a surface for the reaction to occur on, while being in a different phase or state than the reactants involved
How to use "heterogeneous catalyst" in a sentence
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heterogeneous catalyst
The heterogeneous catalyst may comprise water.
It is typically more preferred to use a heterogeneous catalyst.
Heterogeneous catalyst precursors of the invention are supported on a carrier.
The catalyst can be a homogeneous or heterogeneous catalyst.
Preferably the heterogeneous catalyst is an acid cation exchanger.
Especially preferably a prepolymerized heterogeneous catalyst is used.
Heterogeneous catalyst for the production of ethylidene diacetate.
It would thus be desirable to have available a heterogeneous catalyst.
Regeneration of a heterogeneous catalyst in ethene oligomerization.
Furfural selectivity is improved by the use of a heterogeneous catalyst.
The heterogeneous catalyst preferably further comprises a promoter.
The catalyst used in this document is a heterogeneous catalyst.
A preferred heterogeneous catalyst is one wherein titanium is immobilised on silica.
The invention is directed to a method of making a heterogeneous catalyst.
Usually the heterogeneous catalyst will be supported on a carrier material.
See also
It may be a homogeneous or a heterogeneous catalyst.
The heterogeneous catalyst is selected from fluorination catalysts of halogenated hydrocarbons.
The hydrogenation method by using a heterogeneous catalyst is described as follows.
Heterogeneous catalyst supports are well known to those skilled in the art.
The dimerization catalyst can be a homogeneous catalyst or a heterogeneous catalyst.
Use of a heterogeneous catalyst as opposed to a homogeneous catalyst simplifies workup conditions.
The epoxidation catalyst can be a homogeneous catalyst or a heterogeneous catalyst.
A homogeneous catalyst or a heterogeneous catalyst can be applied in the epoxidation step.
Coking is one of several mechanisms for the deactivation of a heterogeneous catalyst.
The heterogeneous catalyst was prepared with chicken egg shells as precursor material.
The hydrogenation mixture was filtered in order to remove the heterogeneous catalyst.
The catalyst which is a heterogeneous catalyst may be recovered by filtration for example.
In such epoxidation step a homogeneous catalyst or a heterogeneous catalyst can be applied.
The heterogeneous catalyst phase may be a partially or fully insoluble liquid phase.
The trimer may also be produced by the use of a heterogeneous catalyst.
The heterogeneous catalyst may be in the form either of a suspension or of a fixed bed.
The epoxidation step is preferably carried out with a heterogeneous catalyst.
The reaction mixture may comprise a heterogeneous catalyst or a source of heterogeneous catalyst.
The at least one acid catalyst can be a homogeneous or heterogeneous catalyst.
Both a homogeneous and a heterogeneous catalyst can be used in the present process.
The reaction may be performed in the presence of a homogeneous or heterogeneous catalyst.
An especially preferred heterogeneous catalyst is a mixture of triisobutyl aluminum and titanium tetrachloride.
No tedious mixing and separation problems for a heterogeneous catalyst arise ever.
Heterogeneous catalyst for the production of acetic anhydride from methyl acetate.
Catalyst material may be incorporated into heterogeneous catalyst systems in a variety of ways.
The catalyst of the invention may be used as a homogeneous catalyst or heterogeneous catalyst.
The preparation of the heterogeneous catalyst and its use in amination reactions is described.
It is also known that metallocenes may be affixed to a support to simulate a heterogeneous catalyst.
This heterogeneous catalyst can be reused five times without significant loss of its activity.
The catalyst employed in the cleavage step can be a homogeneous catalyst or a heterogeneous catalyst.
The bifunctional catalyst is a heterogeneous catalyst that contains an insoluble polymer having quaternized heteroatoms.
The catalytic oxidation of the divalent iron is accordingly effected using a heterogeneous catalyst.
The heterogeneous catalyst may comprise at least two platinum group metals on a solid support.
In the polymerization processes disclosed herein the heterogeneous catalyst may be recovered and reused.
The heterogeneous catalyst comprises acidic microporous or mesoporous catalyst material suitable for olefin oligomerization.
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