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公开(公告)号：US3769198A
公开(公告)日：1973-10-30
申请号：US3769198D
申请日：1972-05-24
Applicant: HYDROCARBON RESEARCH INC
Inventor： JOHANSON E , CHERVENAK M , WOLK R
CPC classification number: C10G1/083
Abstract: THE LIQUID PHASE CATALYTIC HYDROGENATION OF COAL TO LIQUID AND GAS PRODUCTS IS IMPROVED BY THE PRETREATMENT OF THE CATALYST WITH HYDROGEN, WHEREIN THE PRETREATMENT TEMPERATURES ARE LIMITED TO ABOUT 200-400*F. AND THE CATALYST IS SUBSTANTIALLY UNREDUCED BEFORE START-UP OIL IS INTRODUCED INTO THE REACTOR.
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