Non-catalytic pyrolysis of residues from aromatic carboxylic aci

Details Non-catalytic pyrolysis of residues from aromatic carboxylic aci Non-catalytic pyrolysis of residues from aromatic carboxylic aci

1979-10-19

1981-05-05

O'Keefe, Veronica

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

From nonhydrocarbon feed

585606, 585733, 2603464, C07C 120

Patent

active

042660840

ABSTRACT:
Commercially attractive amounts of benzene and toluene can be obtained from a solid mixture of aldehydo-, carboxy-, keto- and carboxy-, carboxy- and aldehydo-substituted benzene and toluene including such mixtures also containing cobalt and manganese salts of organic acids and inorganic and organic bromides obtained from the manufacture of benzene di- and tricarboxylic acids by non-catalytic pyrolysis of such mixture or gases and vapors therefrom at a temperature of at least 700.degree. C. Such non-catalytic pyrolysis is more technically attractive than catalytic pyrolysis conducted at a temperature of from 300.degree. C. to 500.degree. C. which has a short activity life.

REFERENCES:
patent: 3862145 (1975-01-01), Brennan et al.
patent: 4097541 (1978-06-01), Sakai et al.

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