Decoking hydrocarbon reactors by wet oxidation

Details Decoking hydrocarbon reactors by wet oxidation Decoking hydrocarbon reactors by wet oxidation

1987-06-05

1989-07-18

Sneed, H. M. S.

Cleaning and liquid contact with solids

Processes

Hollow work, internal surface treatment

134 28, 134 29, 134 41, B08B 900

Patent

active

048490253

ABSTRACT:
A method is disclosed for decoking a vertical tube reactor. The decoking process involves contacting the coke with an oxidizing substance in the presence of a carrier liquid to oxidize the coke and produce carbon dioxide, water and by-products. The post-oxidation temperature is maintained below the critical temperature of the carrier liquid at the local pressure. The conditions of the coke oxidation are maintained in such a manner as to assure that the by-products are substantially suspended or dissolved in the liquid.

REFERENCES:
patent: 4127473 (1978-11-01), Hozuma
patent: 4196050 (1980-04-01), Takahashi et al.
patent: 4203778 (1980-05-01), Nunciato et al.
patent: 4226640 (1980-10-01), Berthodlt
patent: 4243633 (1981-01-01), Hozuma

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