Process for hydrotreating heavy oil and hydrotreating apparatus

Details Process for hydrotreating heavy oil and hydrotreating apparatus Process for hydrotreating heavy oil and hydrotreating apparatus

1996-08-15

1998-07-14

McMahon, Timothy

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Including heat exchanger for reaction chamber or reactants...

208 49, 208 65, 208210, 208211, 208212, 422188, 422189, B01J 804

Patent

active

057799920

ABSTRACT:
A hydrotreating apparatus comprising (a') a fixed-bed reactor packed with a hydrotreating catalyst for hydrotreating a heavy oil and (b') a suspended-bed reactor packed with a hydrotreating catalyst for further hydrotreating the heavy oil hydrotreated in the fixed-bed reactor. According to the apparatus of the present invention, (a) feeding of a heavy oil to a fixed-bed reactor is disclosed packed with a hydrotreating catalyst to thereby effect hydrotreating of the heavy oil and (b) feeding of the heavy oil hydrotreated in the fixed-bed reactor to a suspended-bed reactor packed with a hydrotreating catalyst to thereby effect further hydrotreating of the heavy oil can be conducted, and therefore the period of hydrotreating of the heavy oil can be prolonged.

REFERENCES:
patent: 3663434 (1972-05-01), Bridge
patent: 3936370 (1976-02-01), Henke et al.
patent: 3964995 (1976-06-01), Wolk et al.
patent: 4657664 (1987-04-01), Evans et al.

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