Examples of 'fresh catalyst' in a sentence
Meaning of "fresh catalyst"
Fresh catalyst: This phrase typically refers to a new or innovative element that triggers or accelerates change, growth, or a chemical reaction. It is often used metaphorically to describe something that energizes or revitalizes a process, idea, or situation
How to use "fresh catalyst" in a sentence
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fresh catalyst
This also happens in fresh catalyst manufacture.
It was a fresh catalyst based on cobalt and molybdenum on alumina.
The experiment was performed with a fresh catalyst.
No fresh catalyst was added in the second polymerisation stage.
The catalyst can clearly be made up with fresh catalyst.
Fresh catalyst may be added to deactivated catalyst prior to treatment.
This surface is substantially different from that of the fresh catalyst.
Fresh catalyst was recycled in the production of disodium iminodiacetate from diethanolamine.
The spent catalyst was a darker tan than the fresh catalyst.
Fresh catalyst can also be mixed with the regenerated catalyst as desired.
It is therefore advisable to replace the spent catalyst periodically with fresh catalyst.
Fresh catalyst can be added to the recirculated amount of catalyst when necessary.
A portion of spent catalyst corresponding to the amount of fresh catalyst fed is removed.
Less is spent on fresh catalyst and catalyst removal from the polyol.
The performances of the regenerated catalyst are better than those of fresh catalyst.
See also
Fresh catalyst feed to replace that which is lost due to catalyst decomposition reactions.
The additional conversion may be achieved with little or no additional fresh catalyst requirements.
Fresh catalyst for CNF production is generated.
The residue was resubmitted to the hydrogenation conditions described above using fresh catalyst.
First the fresh catalyst is treated with HF.
This operation is repeated once after the spent catalyst has been replaced with fresh catalyst.
For example, fresh catalyst can be introduced every day.
The coupons were then placed back into the reactor along with a charge of fresh catalyst.
Fresh catalyst is employed for each such reaction, however.
For example, it is possible to introduce fresh catalyst every day.
Further, a fresh catalyst can be intermittently supplied to the reactor.
As an example, it may be possible to introduce fresh catalyst every day.
To the filtrate fresh catalyst is added and hydrogenation is continued for 3 h.
This was carried out without additions of fresh catalyst or co-catalyst.
First, the fresh catalyst is treated with the oxidizing agent.
This analysis was repeated on 5 additional samples of fresh catalyst to establish a baseline.
Adding fresh catalyst particles to the hydrocarbon synthesis slurry, and.
Operating at an initial operation phase wherein fresh catalyst is used, and.
In a moving bed operation, fresh catalyst particles are fed to a reaction zone by gravity.
Once reaction equilibrium is reached, this product is introduced as a replacement for fresh catalyst.
Preferably, the major portion of added fresh catalyst is from a regeneration zone.
Fresh catalyst is added and worn-out catalyst removed to optimize the cracking process.
According to a preferred embodiment, no fresh catalyst is added to the second polymerization stage.
For this reason, it proves necessary to purge the reactor and add fresh catalyst.
According to a preferred embodiment, no fresh catalyst is added to the second polymerisation stage.
The selectivity was again measured, and compared to the original value of the fresh catalyst.
Therefore, filtration and addition of fresh catalyst was repeated two more times.
However, the fresh catalyst can be added to the reactor independently of the regenerated catalyst.
A process according to claim 1, comprising addition of fresh catalyst and extraction of used catalyst.
The selectivity is again measured, and compared to the original value of the fresh catalyst.
The mixture is filtered, fresh catalyst added to the solution, and hydrogenation repeated.
On process start-up, the catalyst stream ordinarily comprises fresh catalyst and solvent.
It was shown that the fresh catalyst consists of metallic Ni crystallites supported on La2O3.
The third reactor is left stationary, loaded with fresh catalyst and ready to be used.
Example 3 The fresh catalyst was placed in the laboratory oxychlorination reactor at the above conditions.
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