Antioxidant compositions and methods using p-phenylenediamine co

Details Antioxidant compositions and methods using p-phenylenediamine co Antioxidant compositions and methods using p-phenylenediamine co

1991-01-18

1992-07-07

Morris, Theodore

Mineral oils: processes and products

Chemical conversion of hydrocarbons

With prevention or removal of deleterious carbon...

507 90, C10B 916, C09K 1518

Patent

active

051280221

ABSTRACT:
Methods and compositions are provided for inhibiting the formation of polymers in petroleum or petrochemical processes that subsequently foul heat transfer surfaces. The compositions comprise a combination of N-Phenyl-N'-(1,3-dimethylbutyl)-p-phenylenediamine (PDA) and an organic acid. The methods comprise adding from 1 to 2500 ppm PDA and 1 to 3500 ppm organic acid to the system experiencing the fouling problem.

REFERENCES:
patent: 3907745 (1975-09-01), Bsharah et al.
patent: 4061545 (1977-12-01), Watson
patent: 4466905 (1984-08-01), Butler et al.
patent: 4720566 (1988-01-01), Martin
patent: 4775458 (1988-10-01), Forester
patent: 4927519 (1990-05-01), Forester
patent: 4929778 (1990-05-01), Roling

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