Chemistry of hydrocarbon compounds – Aromatic compound synthesis – From nonhydrocarbon feed
Patent
1979-12-06
1981-03-24
Davis, Curtis R.
Chemistry of hydrocarbon compounds
Aromatic compound synthesis
From nonhydrocarbon feed
562479, C07C 120
Patent
active
042582270
ABSTRACT:
Short, less than one second, residence time non-catalytic hydropyrolysis is conducted by rapid heating at more than 600.degree. C. per second of a solid mixture of aldehydo-, carboxy-, keto- and carboxy-, and aldehydo- and carboxy- substituted benzene and toluene and such solid also containing cobalt and/or manganese salts of organic acids and organic and/or inorganic bromides obtained from the manufacture of benzene di- and tricarboxylic acids up to a temperature of at least 700.degree. C. Such short residence hydropyrolysis produces attractive amounts of readily recoverable benzene and toluene as well as lower alkanes and alkenes and a solid carbonaceous char which can be burned to provide heat for the hydropyrolysis. The short residence hydropyrolysis is not subject to short activity and frequent periods of off-stream time as are the catalytic pyrolysis conducted at lower temperatures of from 300.degree. up to 500.degree. C.
REFERENCES:
patent: 1962175 (1934-06-01), Daudt
patent: 3210415 (1965-10-01), Berkey et al.
patent: 3862145 (1975-01-01), Brennan et al.
Allen John K.
Lambers Edward A.
Palka Agnes M.
Ahlers Fred R.
Davis Curtis R.
Magidson William H.
McClain William T.
Standard Oil Company (Indiana)
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