Method for prevention of fouling in a basic solution by addition

Mineral oils: processes and products – Refining – With nitrogen containing compound

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208 48AA, 208 48R, 585800, 585950, 423245, 423228, C10G 912, C10G 916

Patent

active

046734899

ABSTRACT:
The present invention is directed to the use of hydroxylamine, its acid salts or mixtures thereof to prevent fouling during the basic washing of hydrocarbons containing oxygenated compounds. More specifically, oxygenated compounds such as carbonyl containing organics have a tendency to polymerize, producing fouling elements when such are contained in hydrocarbons being washed with basic materials. The hydroxylamine and its salts are quite effective in reducing the fouling tendencies due to these specific mechanisms.

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