Continuous liquid-phase diesel hydrogenation
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I use HYSYS to simulate continuous liquid-phase diesel hydrogenation. For this type of hydrogenation process, my reaction modeling does not include a feed gas-to-oil ratio (which is set to 0); instead, the diesel product is recycled (as compressed hydrogen) and mixed with the feed oil. However, this approach results in a very high sulfur content in the product (1000+ ppm). I would like to ask experts how to solve this problem. The flowchart looks like this; here, the gas-to-oil ratio is set to 0 (no circulating H2). The result image is here. I would like to know how to solve this – is there an error somewhere, or was the reactor model chosen incorrectly? :(
Don’t sink, guys, take a look