Mineral oils: processes and products – Refining – Nitrogen contaminant removal
Patent
1992-08-27
1993-12-14
Morris, Theodore
Mineral oils: processes and products
Refining
Nitrogen contaminant removal
208 48R, 208 95, 2082621, 203 7, 585950, C10G 916, C23F 1400
Patent
active
052699080
ABSTRACT:
In a process for the separation of hydrocarbon materials and other materials including ammonia and hydrogen chloride normally associated with the hydrocarbon materials in refining of petroleum, the deposition of ammonium chloride is retarded or prevented by introducing inert gas of higher volatility into the processing operation upstream from where the deposition of ammonium chloride would otherwise occur.
REFERENCES:
patent: 2212581 (1940-08-01), Babin
patent: 2929772 (1960-03-01), Gilmore
patent: 4098675 (1978-07-01), Pope
patent: 4141816 (1979-02-01), Crowley et al.
Griffin Walter D.
Morris Theodore
Nalco Canada Inc.
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