Abstract
The hydrogenation of Berguedà lignite was studied using hydrogen donor and non-hydrogen donor solvents, such as anthracene and fuel oil, respectively, under a hydrogen atmosphere, in the temperature range 400–450 °C. The presence of a reactive hydrogen atmosphere increased coal conversion. Maximum yields were reached at 425 °C for the anthracene oil. The product distribution quality improved with the use of a commercial hydrodesulphurization catalyst, which also increased the production of hydrogen sulphide. Under these conditions, a pseudo-first order kinetic model appropriately described the hydroliquefaction reaction rate in terms of pseudocomponents.
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