초록 ▼

A hydrodesulfurization process for catalytically hydrosulfurizing highly aromatic feeds, especially catalytically cracked feeds such as light cycle oils from catalytic cracking processes and aromatic extracts, employs a hydrodesulfurization catalyst containing zeolite beta. The zeolite beta based ca

A hydrodesulfurization process for catalytically hydrosulfurizing highly aromatic feeds, especially catalytically cracked feeds such as light cycle oils from catalytic cracking processes and aromatic extracts, employs a hydrodesulfurization catalyst containing zeolite beta. The zeolite beta based catalyst is more effective for effecting desulfurization than comparable amorphous catalysts or catalysts based on other large pore size zeolite and is capable of achieving a high degree of desulfurization at relatively low levels of conversion. The hydrodesulfurization catalyst comprises a transition metal hydrogenation component, preferably Co/Mo, on zeolite beta together with an inert matrix. The zeolite beta based catalyst may be mixed with amorphous catalyst such as Co/Mo/alumina. The low sulfur products are useful as blending components for road diesel fuels and other distillate fuels.

대표청구항 ▼

A process for the hydrodesulfurization of a aromatic hydrocarbon fraction having an aromatic content of at least 50 weight percent, which comprises contacting the fraction in the presence of hydrogen at a hydrogen partial pressure from 400 to 1200 psig, a temperature from 600°to 750°F. and at a conv

A process for the hydrodesulfurization of a aromatic hydrocarbon fraction having an aromatic content of at least 50 weight percent, which comprises contacting the fraction in the presence of hydrogen at a hydrogen partial pressure from 400 to 1200 psig, a temperature from 600°to 750°F. and at a conversion relative to the initial boiling point of the hydrocarbon fraction of less than 10 percent by weight, with a hydrodesulfurization catalyst comprising a metal hydrogenation component and zeolite beta.