Title: Apparatus for the hydrogenation of heavy hydrocarbon oils

Abstract: A hydroconversion process for heavy hydrocarbon oil and reactor system having a series of closed reactor vessels containing substantially fixed catalyst beds in flow communication with each of one catalyst-supply conduit system and one catalyst-removal conduit system, both of said conduit systems communicating with each reactor in said series of reactor vessels, via separate valve means, whereby each reactor can be separately connected or disconnected to flow communication with each of said conduit systems and whereby process-deactivated catalyst present in each reactor is continuously or periodically replaced by fresh catalyst as a slurry in oil via said conduit systems.

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Inventors: Van Zijll Langhout, Wouter C. (The Hague, NL)
Pegels, Abraham A. (The Hague, NL)
Wijffels, Joannes B. (The Hague, NL)

Application Number: 071333
Filing Date: 1979-08-30
Publication_date: 1981-03-31
Assignee: Shell Oil Company (Houston, TX)
Primary Class(es): 422/190 208/152, 208/171, 208/210, 208/216R, 208/217, 422/219, 422/223
Other Classes:
US Patent Ref:

2265837	Dec, 1941	Harding	208/176.
3418234	Dec, 1968	Chervenak et al.	208/210.
3470090	Sep, 1969	Carson	208/152.
3547809	Dec, 1970	Ehrlich et al.	208/176.
3772211	Nov, 1973	Mounce	208/152.
3844933	Oct, 1974	Wolk et al.	208/251.
3870623	Mar, 1975	Johnson et al.	208/251.
4059502	Nov, 1977	James	208/152.

Other Refs:
Primary Examiner: Garris, Bradley
Assistant Examiner:
Attorney: Reper; Ronald R.