| 摘要 |
A method of supplying heat to the reactants in a fluidised bed hydrogenator by the combustion of carbonaceous materials found in the hydrogenator and wherein the carbonaceous material is injected with air and/or oxygen into a combustion chamber and the products of combustion are supplied to the hydrogenator vessel to provide additional heat to the reactants. The combustion products are supplied to a position within a central rise or risers in the fluidised bed.
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