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Title: Co-processing of carbonaceous solids and petroleum oil

Patent ·
OSTI ID:7234061

This patent describes a process for liquefying a carbonaceous solid in a thermal liquefaction heater in a first stage thermal liquefaction in the presence of a liquefaction solvent, followed by a second stage catalytic hydrogenation wherein liquefaction solvent is recovered from the second stage for use in the first stage. This patent describes improvement in introducing a liquefaction solvent to the first stage liquefaction heater.

Assignee:
Lummus Crest Inc., Bloomfield, NJ (United States)
Patent Number(s):
US 5120429; A
Application Number:
PPN: US 7-071812
OSTI ID:
7234061
Resource Relation:
Patent File Date: 10 Jul 1987
Country of Publication:
United States
Language:
English