Slurry hydroprocessing process

Details Slurry hydroprocessing process Slurry hydroprocessing process

1989-09-22

1990-08-28

Myers, Helane E.

Mineral oils: processes and products

Refining

Sulfur removal

208210, 208254H, 208143, 208176, 502 53, C10G 4546, C10G 4504

Patent

active

049523066

ABSTRACT:
A novel slurry hydrotreating process is described which employs a hydrotreating catalyst of small particle size having a quantity of catalyst sites in excess of those required for reaction and/or adsorption of nitrogen compounds in the petroleum or synfuel feed being treated. The excess catalyst sites can therefore in effect be contacted with a low nitrogen or essentially zero nitrogen feed, allowing rapid hydrogenation of aromatics at low temperatures where equilibrium is favored. In a further aspect of the invention, the catalyst which contains adsorbed nitrogen is activated by high temperature denitrogenation.

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