Process for removal of phenolic inhibitors from polymerizable co

Details Process for removal of phenolic inhibitors from polymerizable co Process for removal of phenolic inhibitors from polymerizable co

1984-12-24

1985-10-15

Gantz, D. E.

Chemistry of hydrocarbon compounds

Purification, separation, or recovery

By contact with solid sorbent

585826, 208 91, C07C 712

Patent

active

045476195

ABSTRACT:
Method for removal of phenolic polymerization inhibitors from liquid conjugated olefin hydrocarbon by contacting said liquid hydrocarbon with a sorbent material comprising particulate acidified active carbon which sorbent has previously been oxidized by contact with a highly acidic oxidizing fluid. Optionally, after contact with the highly acidic oxidizing fluid the sorbent may be further treated in an alkaline environment with compounds of at least one of alkali metals, alkaline earth metals and ammonia. The sorbent material may be regenerated by heating, or by passing a heated non-oxidizing gas e.g., superheated stream there through.

REFERENCES:
patent: 2412504 (1946-12-01), Goldfinger
patent: 3240830 (1966-03-01), Dye

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