Thermal decoking of cracking ovens and coolers

Details Thermal decoking of cracking ovens and coolers Thermal decoking of cracking ovens and coolers

1994-10-19

1996-07-16

Pal, Asok

Mineral oils: processes and products

Chemical conversion of hydrocarbons

With prevention or removal of deleterious carbon...

585648, C10G 912

Patent

active

055363903

ABSTRACT:
Thermal decoking of cracking gas coolers which operate with low gas pressure is accomplished by controlling the temperature of a cleaning gas delivered to the cooler. The temperature control is achieved by mixing a cleaning gas, which has been heated in a cracking oven, with a stream of relatively cool cleaning gas upstream of the cooler.

REFERENCES:
patent: 4376694 (1983-03-01), Lohr et al.
patent: 4420343 (1983-12-01), Sliwka
patent: 4589473 (1986-05-01), Kehrer

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