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1961 Dorset Drive
Tel : +1 630 330 8159
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This is a 36 bar (525 psig) unit that was converted to ulsd service. The first two cycles used Albemarle KF-757 and lasted 6 months compared to one year expected cycle life. They switched to Topsoe catalyst for the next cycle and saw no improvement.
Two suppliers recommended ...
Cycle life for successive runs on this diesel hydrotreater has varied from 6 to 18 months.The cycle history was analyzed to assess the difficulty of processing varying feeds. Sulfur speciation analysis enabled measurement of difficult sulfur in the feed components. The unit’s cycle ...
This refinery wanted to make 10 ppm diesel in blocked out commercial trials as preparation for upcoming diesel specifications. Some catalyst vendors said the refinery would need to double the reactor volume to make 10ppm. Other vendors said they had a new drop-in solution, a catalyst that ...
A feed sent to C Solutions in Thessaloniki, Greece caused catalyst to deactivate very rapidly when introduced on day one of a pilot plant run. Analysis showed the feed to be full of high boiling aromatics and high in nitrogen. The pilot plant run was restarted with the usual ...
It is very difficult to accurately predict the cycle life for a hydroprocessing unit. This is especially true with today’s highly variable feed slates. Despite this fact, catalyst suppliers are always asked to estimate cycle life when bidding for a catalyst reload, and they comply ...
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