Process for the elimination of arsenic from hydrocarbons by pass

Details Process for the elimination of arsenic from hydrocarbons by pass Process for the elimination of arsenic from hydrocarbons by pass

1994-02-08

1996-07-02

Myers, Helane

Mineral oils: processes and products

Refining

Metal contaminant removal

208251R, 208177, C10G 4502

Patent

active

055318860

ABSTRACT:
A process for the elimination of arsenic from hydrocarbons with a retention mass wherein the retention mass is pretreated before being brought into contact with the feedstock to be purified. The retention mass contains at least one element selected from the group formed by iron, nickel, cobalt, molybdenum, tungsten, palladium and chromium. At least 5% by weight of these element(s) are in the sulfide form. The pretreatment involves impregnation with a sulfur compound carried out simultaneously with reduction. The arsenic elimination process is carried out between 120.degree. C. and 250.degree. C. in the presence of 0-1000 mg of sulfur/kg of feedstock

REFERENCES:
patent: 3804750 (1974-04-01), Myers et al.
patent: 4046674 (1977-09-01), Young
patent: 4069140 (1978-01-01), Wunderlich
patent: 4853110 (1989-08-01), Singhal et al.
patent: 5153163 (1992-10-01), Roumieu et al.

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