Trace acid removal in the pretreatment of petroleum distillate

Details Trace acid removal in the pretreatment of petroleum distillate Trace acid removal in the pretreatment of petroleum distillate

1978-08-24

1980-04-22

Crasanakis, George

Mineral oils: processes and products

Refining

Sulfur removal

208263, 562511, C10G 2512, C10G 1902

Patent

active

041994400

ABSTRACT:
An improved process is disclosed for removing trace acidic compounds from liquid hydrocarbons. Traces of acidic compounds, including carboxylic acids, H.sub.2 S, naphthenic acids, et al., are present in most hydrocarbon streams. The presence of these acidic compounds is considered deleterious to accepted product specifications. The trace acidic compounds which interfere are removed via injection of a dilute aqueous alkaline solution into the hydrocarbon stream and passage of this stream through a coalescing bed.

REFERENCES:
patent: 2872412 (1959-02-01), McNeill et al.
patent: 2988500 (1961-06-01), Gleim et al.
patent: 3371031 (1968-02-01), Strong
patent: 4019869 (1977-04-01), Morris
patent: 4070271 (1978-01-01), Carlson et al.
patent: 4070307 (1978-01-01), Carlson

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