Antifoulant control process

Mineral oils: processes and products – Chemical conversion of hydrocarbons – With prevention or removal of deleterious carbon...

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Details

208 48AA, 585648, 585833, C10G 916, C10G 7504

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active

06113774&

ABSTRACT:
A process is provided by the invention which comprises: (a) providing a tubular reactor having an inlet and an outlet, a furnace for heating the reactor, and a cooler having an inlet in communication with the reactor outlet and also having an outlet; (b) introducing a substantially constant flow of feed gas comprising steam to the reactor inlet while the reactor is heated by the furnace to produce a predetermined and substantially constant reactor outlet temperature; and (c) controlling, during at least a portion of (b), the concentration of an antifoulant in the feed gas based on cooler outlet temperature.

REFERENCES:
patent: 4376694 (1983-03-01), Lohr et al.
patent: 4420343 (1983-12-01), Sliwka
patent: 4775459 (1988-10-01), Forester
patent: 5284994 (1994-02-01), Brown et al.
patent: 5435904 (1995-07-01), Reed et al.
patent: 5734098 (1998-03-01), Kraus et al.
patent: 5851377 (1998-12-01), Bush

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