Method for minimizing fouling of heat exchanger

Details Method for minimizing fouling of heat exchanger Method for minimizing fouling of heat exchanger

1984-08-10

1985-04-16

Gantz, Delbert E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

With prevention or removal of deleterious carbon...

252 47, 252 475, 585950, C10G 916

Patent

active

045114579

ABSTRACT:
Hydrocarbon processing equipment is protected against fouling during the processing of hydrocarbons at elevated temperatures by adding to the equipment small amounts of the N,N'-dimer of phenothiazine and at least one mono- or ditertiary alkyl catechol and/or at least one mono- or ditertiary alkylhydroquinone.

REFERENCES:
patent: Re26330 (1968-01-01), Colfer
patent: 2587660 (1952-03-01), Smith
patent: 3366702 (1968-01-01), Moriarty
patent: 3539515 (1970-11-01), McCabe
patent: 3556983 (1971-01-01), Kronig et al.
patent: 3557232 (1971-01-01), Starnes
patent: 3654129 (1972-04-01), Block
patent: 4465881 (1984-08-01), Miller et al.

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