Process and apparatus for detecting a loss of reaction in a...

Details Process and apparatus for detecting a loss of reaction in a... Process and apparatus for detecting a loss of reaction in a...

2007-10-02

2007-10-02

Caldarola, Glenn (Department: 1764)

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

By dehydrogenation

C585S652000, C585S653000, C436S034000, C436S055000, C208SDIG001

Reexamination Certificate

active

10398766

ABSTRACT:
A hydrocarbon conversion process such as an auto-thermal cracking process in which a hydrocarbon feed and a molecular oxygen-containing gas are contacted in a reaction zone in the presence of a catalyst to produce an outlet stream having an oxygen concentration which is at, near or above the flammable limit and in which process a loss of reaction is detected and used as a signal to activate means for mitigating the risk of explosion downstream of the reaction zone. The loss of reaction may be detected for example by a sudden increase in oxygen concentration in the outlet stream and/or a sudden drop in temperature of the outlet stream.

REFERENCES:
patent: 4069272 (1978-01-01), Hutson, Jr.
patent: 4891464 (1990-01-01), Staggs
patent: 5905180 (1999-05-01), Yokoyama et al.
patent: 6221280 (2001-04-01), Anumakonda et al.
patent: 6258978 (2001-07-01), Kitchen et al.

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