Use of polysulfide treated molecular sieves to remove mercury fr

Details Use of polysulfide treated molecular sieves to remove mercury fr Use of polysulfide treated molecular sieves to remove mercury fr

1987-09-30

1989-10-31

Caldarola, Glenn

Mineral oils: processes and products

Refining

Metal contaminant removal

208287, 208293, 208310R, 585856, 423230, 55 59, C10G 2500, B01J 2702

Patent

active

048775150

ABSTRACT:
Disclosed herein is a process for removing contaminating mercury from hydrocarbon streams, gas or liquid, wherein the stream is contacted with a molecular sieve pretreated with an alkali polysulfide. The pretreatment consists of saturating the sieve with an aqueous solution of the polysulfide and subsequently drying the saturated sieve under conditions calculated to dry but not decompose the polysulfide present.

REFERENCES:
patent: 3516947 (1970-06-01), Dudzik
patent: 4474896 (1984-10-01), Chao

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