Examples of 'sulphurization' in a sentence
Meaning of "sulphurization"
sulphurization (noun) - the process of treating or combining with sulfur. It is commonly used in chemistry and metallurgy
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- Alternative form of sulfurization
How to use "sulphurization" in a sentence
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sulphurization
Any sulphurization occurs after the reduction.
This process is also known as selenization or sulphurization.
Ex situ sulphurization was carried out in a sulphurization cell.
The two catalysts underwent an in situ sulphurization step before reaction.
Optional sulphurization is carried out after reduction.
Second phase of in situ treatment comprising at least one step of activation by sulphurization.
The degree of sulphurization of the solid was thus zero.
Catalyst according to claim 1 subjected to sulphurization treatment.
Process for sulphurization of hydrotreating catalysts.
The two catalysts are subjected to an in situ sulphurization stage before the reaction.
The sulphurization generally takes place in the hydrorefining reactor.
This example describes an integrated presulphurization and sulphurization treatment with hydrogen.
Sulphurization and gold turning.
The doped catalyst obtained thus advantageously undergoes a sulphurization step without an intermediate calcining step.
The sulphurization feed was the same as that of the test.
See also
The process according to claim 7, wherein the sulphurization agent is dimethyl disulphide.
This sulphurization step generates the active sulphide phase.
Preferably, the product obtained at the end of step e undergoes a sulphurization step f.
The catalyst sulphurization protocol was identical for each catalytic test.
Catalyst according to claim 1 wherein the catalyst has been subjected to sulphurization treatment.
This sulphurization can be preceded or accompanied by an activation in the presence of hydrogen.
Process according to claim 1, in which the adsorbant undergoes a sulphurization treatment before use.
The sulphurization step is advantageously carried out in an ex situ or in situ manner.
Before being used in a reforming reaction, the catalyst of the invention undergoes a sulphurization step.
Stopping the sulphurization feedstock and switching over to the test feedstock.
Before contact with the feed to be treated, the catalysts undergo a sulphurization step.
Said sulphurization step is carried out after carrying out said step iii.
Sulphur-comprising additives have been proposed for improving the sulphurization of the catalysts.
This sulphurization step was carried out using a paraffinic feed doped with dimethylsulphide.
Said carbon deposition may be carried out before, after or during the catalyst sulphurization step.
Effect of sulphurization method on properties of NiMo-catalyst.
Polysulphides such as dimethyldisulphide are H2S precursors which are routinely used for sulphurization.
Once sulphurization had been completed, the feed described above could be transformed.
Performance of catalyst E as a function of its degree of sulphurization E, non.
This sulphurization step is, however, independent of the other catalyst preparation steps.
Preferably, the catalyst undergoes a sulphurization step, as described below.
Once the sulphurization is carried out, the charge described above can be converted.
Catalyst according to claim 1, which has undergone a sulphurization treatment.
In the case of ex situ sulphurization, the reduction is carried out, then the sulphurization.
The metals in said catalyst have a degree of sulphurization of at least 60 % ;.
At least one sulphurization step such that said active phase is in the sulphide form ;.
Example 1, using DMDS alone as sulphurization agent, was repeated for confirmation.
Once sulphurization was complete, the feed described in Table 4 could be transformed.
TABLE 2 Relative degree of sulphurization of tungsten, and bond energies.
The sulphurization conditions for catalyst C were as follows,.
Highly preferably, the degree of sulphurization of the metals is more than 80 %.
After the sulphurization step, the catalytic test was carried out under the following conditions,.
In particular, the degree of sulphurization was obtained by analysis of the W 4f contribution of tungsten.
Once the sulphurization has been carried out, the feed described in Table 3 can be converted.
The degree of sulphurization of the constituent metals of said catalyst is at least 60 % ;.
