Desulfurization, demetalation and denitrogenation of coal
AssigneeMobil Oil Corporation
InventorsThomas O. Mitchell, Darrell D. Whitehurst, Malvina Farcasiu
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Abstract
The specification discloses a desulfurization, demetalation and denitrogenation process for coal and coal liquid charge stocks. The process comprises contacting the charge stock in the absence of externally added hydrogen with a hydrogen donor solvent in the presence of a catalytic amount of naturally occurring porous metal ores such as manganese nodules, bog iron, bog manganese, nickel laterites, bauxite or spent bauxite.
Claims12
A process for the desulfurization, demetalation and denitrogenation of coal or coal liquid charge stocks containing sulfur impurities which comprises contacting said charge stock in the absence of added hydrogen with a hydrogen donor solvent and with a catalyst comprising a naturally occurring porous metal ore selected from the group consisting of manganese nodules, bog iron, bog manganese, and nickel laterites.
Dependencies are inferred from the claim text.