Examples of 'first catalyst' in a sentence
Meaning of "first catalyst"
first catalyst: A substance that initiates or accelerates a chemical reaction without itself being consumed. In a broader context, it can refer to the initial factor that triggers a series of events or changes
How to use "first catalyst" in a sentence
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first catalyst
A portion of the first catalyst is purified and recycled.
The second catalyst may also be gradually mixed in the first catalyst.
The first catalyst may be steamed.
Zero valent nickel is added to the purified first catalyst before it is recycled.
Purified first catalyst is returned to the first reaction zone.
Typically it takes many hours until the first catalyst is entirely consumed.
Upstream of the first catalyst there is provided a first urea injector.
Benzene and ethylene contact a catalyst comprising zeolite beta in a first catalyst zone.
The first catalyst and the second catalyst are the same.
Calculating a duration of introduction of the first catalyst according to results of the reference processes.
The first catalyst and the second catalyst are different physical materials.
The liquid is passed to the first catalyst bed or between the catalyst beds.
The first catalyst can be used alone or as a mixture of catalysts in effective amounts.
The process according to any preceding claim wherein the first catalyst has been steamed.
Note that the first catalyst may further contain sulfur or phosphorus.
See also
The vapor portion is combined with the hydrocarbon feed in the first catalyst bed.
At least a portion of the first catalyst stream passes to a first regeneration zone.
The first honeycomb carrier has multiple first metal sheets and a first catalyst layer.
The first catalyst solution was immediately added and stirred for one minute.
Accordingly, the first catalyst is heated.
The first catalyst and the second catalyst may be located in separate reactors.
The depositing of the layer of first catalyst 6 is therefore complete.
The first catalyst and the second catalyst can be the same or different.
In such an embodiment, a combustion catalyst is employed as the first catalyst.
The first catalyst must contain a phosphinimine ligand which is covalently bonded to the metal.
Discontinuing the introduction of the first catalyst into a reactor ;.
A preferred first catalyst composition for evolving protons from the fuel comprises platinum metal.
Introducing in the first reactor a quantity of a first catalyst system ;.
The first catalyst is recycled to the first reaction zone through a first catalyst recycle loop.
Advantageously, the second catalyst surrounds the first catalyst.
The first catalyst may thus fit into the hollow portion of the second catalyst.
Later, the hydrogens taken by the first catalyst are added back on.
The first catalyst component and the second catalyst component are generally selected from metallocene catalysts.
As stated above, glycerol is converted to acrolein through the use of a first catalyst.
The feed rates for the first catalyst and for the second catalyst may be different.
Or, this material is loaded with a first metal for the first catalyst.
Downstream the first catalyst and upstream the second catalyst there is provided a second urea injector.
Step ( x ) preferably is carried out in a first reactor in the presence of a first catalyst.
The first catalyst can be provided with the heating means for heating the first catalyst.
The process of claim 1, wherein the first catalyst component includes a hydrogenation component.
The first catalyst can oxidize at least HC and CO included in exhaust gases.
The pre-reactor is advantageously designed as a tube, in which the first catalyst is deposited.
A first catalyst zone comprising a zirconium containing catalyst ;.
Therefore, these highly reactive diene species are substantially removed over a first catalyst.
The first catalyst is an organometallic complex of a group 4 metal.
In a fundamental variant of the invention, the first catalyst and the second catalyst are identical.
The first catalyst is different from the second catalyst, and.
Preferably, the process further comprises the step of injecting a first catalyst into the slurry.
Preferably, the first catalyst component includes a hydrogenation component.
Optionally, the second and third catalysts are the same, and the first catalyst is different.
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