Those who are familiar with catalytic hydrorefining in refineries, please come in
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I would like to ask those who have experience in catalytic hydrotreating of diesel in refineries: under what level can the sulfur content in diesel be reduced under the following operating conditions (high pressure: 5.5 MPa, space velocity: 1.5 h^-1, reactor inlet temperature: 245 at the beginning and 290 at the end, hydrogen-to-oil volume ratio: 330–500:1, hydrogen purity: greater than 87%)? It would be best to have actual data to prove it, thanks!
I estimate the sulfur content to be around 350
All the feed oils are diesel fuels used for catalytic conversion; hydrogenation of such diesel is relatively rare, and generally it is straight diesel mixed with other secondary processed oils. With such a reaction temperature, coupled with the high sulfur content in the catalyst itself, it is estimated that the sulfur content of the product will also be relatively high.
It depends on which manufacturer’s catalyst is used; it has a great deal to do with the catalyst’s activity
What is the sulfur content in the specifications for the feedstock used in catalytic hydroprocessing of coal tar?
Sulfur 2000ppm, Nitrogen 600ppm
Well, I just want to know the actual data of the refinery using the current catalysts
With 2000 units of raw material, the sulfur content in this batch of diesel refined product is likely to be over 200. Choose a catalyst from abroad
Such questions are too vague. First, the catalyst has not been determined, and second, the details regarding the raw materials are unknown. It would be better to just run a microreactor experiment in this case, as the data obtained from that would be somewhat more reliable
Personally, I think the temperature is well over 500