Issues with wet sulfidation of hydrogenation catalysts

2015-07-05View Original

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1. The hydrogenation catalyst is sulfided using DMDS in a wet process, at 12 megapascals and with a temperature of 175 degrees Celsius at the reactor inlet. Sulfurization is carried out over 8 hours, yet no hydrogen sulfide is detected in the circulating hydrogen – where has the hydrogen sulfide gone? 2. Will the catalyst be reduced before 230 degrees Celsius? What should be noted if it can be reduced? ； 3. What are the reaction temperatures for each metal oxide when the catalyst is sulfided? Or what is the fluidization rate of the catalyst before 230°C? 4. Is there a upper limit on the initial amount of vulcanizing agent injected? What are the harms of having too many notes?

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Issues with wet sulfidation of hydrogenation catalysts

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