Method of charge neutralization using chelants

Details Method of charge neutralization using chelants Method of charge neutralization using chelants

1990-03-01

1991-02-12

Myers, Helane

Mineral oils: processes and products

Refining

With acids

208177, 208 47, 208348, 208265, 208284, C10G 100

Patent

active

049921649

ABSTRACT:
A method of neutralizing chloride ions present in a hydrocarbon medium during processing in a petroleum refinery. Nitrilotriacetic acid or its salt form is injected into the crude charge upstream of the preheat unit. Chloride levels are reduced in this way without the deleterious effects which result from treatment with the conventionally used NaOH.

REFERENCES:
patent: 2913406 (1959-11-01), Hoover
patent: 3033781 (1962-05-01), Hoover
patent: 3272736 (1966-09-01), Petro et al.
patent: 3819328 (1974-06-01), Go
patent: 4514281 (1985-04-01), Baumert et al.
patent: 4898684 (1990-02-01), Parker et al.

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