Process for removing iron impurities from petroleum oil distilla

Details Process for removing iron impurities from petroleum oil distilla Process for removing iron impurities from petroleum oil distilla

1994-09-02

1997-03-04

Myers, Helane

Mineral oils: processes and products

Refining

Metal contaminant removal

208253, 209 8, 209 11, 209214, C10G 2904

Patent

active

056075758

ABSTRACT:
A process for removing iron impurities, inter alia iron or iron compounds, from petroleum oil distillation residues is disclosed in which a high gradient magnetic separator incorporates a pack of ferromagnetic fillers in the form of a generally flat or curved sheet-like strip. The ferromagnetic filler is a Fe--Cr alloy of a selected composition and the strip is of selected geometric characteristics such that the rate of removal of iron impurities can be maintained substantially at a maximum throughout the separation mode of operation prior to and after washing of the ferromagnetic filler.

REFERENCES:
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patent: 4298456 (1981-11-01), Coombs et al.
patent: 4342640 (1982-08-01), Lewis
patent: 4668591 (1987-05-01), Minemura et al.
patent: 4695333 (1987-09-01), Inoue et al.
patent: 4836914 (1989-06-01), Inoue et al.
European Search Report EP 94 30 6462 dated May 16, 1995 (1 page).

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