Process for the hydrogenation of aromatic hydrocarbons

Details Process for the hydrogenation of aromatic hydrocarbons Process for the hydrogenation of aromatic hydrocarbons

1984-10-05

1986-09-09

Metz, Andrew H.

Mineral oils: processes and products

Refining

Sulfur removal

208143, 585266, 585269, 502 53, C10G 4500, C07C 510

Patent

active

046107797

ABSTRACT:
A process for the hydrogenation of aromatic hydrocarbons contained in hydrocarbonaceous oil feed comprising at least about 15 wppm organic nitrogen compounds is provided in which the feed is contacted with hydrogen in a substantially sulfur-free environment in the presence of a catalyst comprising a Group VIII noble metal component, such as palladium, a Y-type crystalline aluminosilicate zeolite and a support such as alumina. When the hydrogenation activity of the catalyst decreases, the partially deactivated catalyst is stripped with hydrogen periodically to increase the hydrogenation activity of the catalyst.

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