Catalytic reaction zone for sulfur contaminant sensitive catalys

Details Catalytic reaction zone for sulfur contaminant sensitive catalys Catalytic reaction zone for sulfur contaminant sensitive catalys

1992-12-02

1995-02-14

Springer, David B.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Reforming

C10G 3504

Patent

active

053892356

ABSTRACT:
A combination downflow contaminant treatment and/or removal bed in combination with a radial flow bed of contaminant sensitive catalyst in a single reactor vessel eliminates unexpected deactivation of contaminant sensitive catalyst. The process of this invention also monitors the entrance of contaminants into the downflow contaminant treatment/removal bed to measure total contaminant loading to avoid unnecessary shut-downs of the reactor vessel during temporary contaminant loadings. This invention is particularly useful for highly sulfur sensitive reforming catalysts that are used in combination with a sulfur sorbent for removal of the sulfur contaminants.

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patent: 4789462 (1988-12-01), Byrne et al.
patent: 4828683 (1989-05-01), Gardner et al.
patent: 5035792 (1991-07-01), Fousitzis et al.

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