| 摘要 |
The invention relates to a process for testing performance levels and/or changes over time of at least one catalyst CAT for a fixed-bed reactor comprising at least the following stages: A device for a CT test, comprising at least one hollow metal cartridge MC that contains in particular the catalyst CAT, is connected at a point A of an industrial chemical installation that uses a reaction feedstock that is suitable for testing the catalyst CAT, At point A, a liquid stream that consists of a fraction that is less than or equal to 1% of the preheated reagents circulating in the industrial chemical installation that is circulated in the cartridge MC through the catalyst CAT is sampled at a reaction temperature for a period T, At least a fraction of the effluent of the cartridge MC is sampled for chemical analysis, Optionally, the device for the CT test of the industrial chemical installation is isolated without stopping its operation, and at least a fraction of the catalyst CAT is sampled for physical and/or chemical analysis. The invention also relates to an industrial chemical installation that comprises the device for the CT bypass test.
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