E3S Web Conf.
Volume 105, 2019IVth International Innovative Mining Symposium
|Number of page(s)||8|
|Section||Environment Saving Mining Technologies|
|Published online||21 June 2019|
Hydro-Liquefaction of Tile-Like Barzas Coals in the Presence of Some Transition Metal Additives
Federal Research Center of Coal & Coal Chemistry, SB RAS, 650000 Kemerovo, Russia
2 T.F. Gorbachev Kuzbass State technical University, 650000 Kemerovo, Russia
3 Kutateladze Institute of Thermophysics, SB RAS, 630090 Novosibirsk, Russia
* Corresponding author: firstname.lastname@example.org
Using a laboratory micro-autoclave (of ~ 20 cm3 volume), the effects of transition metal additives (MoO3, Fe2O3 and commercial AlCoMo catalyst) on the thermal transformations of tile-like Barzas coals (sapromixites) in a hydrogen medium at T ~ 475°C and P ~ 6.0-7.5 MPa have been studied. It has been shown that catalytic additives under investigation somewhat suppress gas formation processes, facilitating the increase in H/C atomic ratios and in the amount of alkyl-containing structures in resin-like solid products of Barzas coal hydro-liquefaction. Maximal yields of “coal liquids” (maltenes + asphaltenes) (~ 35 wt.%, daf basis) were obtained during the heat treatment of sapromixites in the presence of bb1 wt.% MoO3.
© The Authors, published by EDP Sciences, 2019
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