Heavy oil pretreatment process with reduced sulfur oxide emissio

Details Heavy oil pretreatment process with reduced sulfur oxide emissio Heavy oil pretreatment process with reduced sulfur oxide emissio

1988-08-02

1990-12-25

Myers, Helane E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

With preliminary treatment of feed

208 88, 208127, 208299, 208300, 208302, 208303, 208305, 423244, C10G 2509

Patent

active

049800450

ABSTRACT:
A process is provided for the pretreatment of heavy oil feeds to demetalate and remove coke precursors. Inert, sorbent material is utilized in a reaction zone to effect the contaminant removal and is cycled to a regeneration zone. The sorbent also adsorbs sulfur oxides produced in a regeneration zone which are then cycled back to the reaction zone, converted to hydrogen sulfide, and removed from the system. The preferred sorbent material is high surface area alumina, having an average surface area in the circulating inventory of greater than 100 m.sup.2 /g.

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