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3151362 
Journal Article 
Colombian coal liquefaction and its coprocessing with Venezuelan crude oil 
Yoshida, R; Ishiguro, H; Nagaishi, H; Honma, S; Narita, H; Yoshida, T; Maekawa, Y; Mitarai, Y; Mondragon, F 
1999 
Yes 
Energy Conversion and Management
ISSN: 0196-8904 
Elsevier Science Ltd 
Exeter 
40 
13 
1357-1364 
English 
WOS:000080918500001 
Titiribi coal from Colombia shows an excellent reactivity to liquefaction and coprocessing. Anthracene oil was excellent as a vehicle oil to facilitate the liquefaction reaction during the initial stage at 400 °C. In the case of coprocessing with Morichal crude oil and red-mud/sulfur catalyst, the maximum conversion of Titiribi coal was ca. 79 wt% daf at 400 °C and ca. 93 wt% daf at 450 °C. The hydrogen consumption in the presence of Morichal crude oil is lower than that in the presence of anthracene oil. It is considered to be the effect of hydrogen sulfide and the hydrogen donor ability of Morichal crude oil. 
coal; heavy oil; coprocessing; liquefaction