Process for conversion of light aliphatic hydrocarbons to aromat

Details Process for conversion of light aliphatic hydrocarbons to aromat Process for conversion of light aliphatic hydrocarbons to aromat

1985-12-30

1987-02-10

Davis, Curtis R.

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

By ring formation from nonring moiety, e.g., aromatization,...

585415, C07C 1202

Patent

active

046424024

ABSTRACT:
A process is disclosed for the dehydrocyclodimerization of light aliphatic hydrocarbons into aromatic hydrocarbons. The process provides improved per pass conversion and an improved yield structure by increasing the relative percentage of xylene which is produced as compared to benzene. This improvement is achieved by recycling benzene recovered from the reaction zone effluent to the reaction zone.

REFERENCES:
patent: 2992283 (1961-07-01), Eng
patent: 3761389 (1973-09-01), Rollman
patent: 4180689 (1979-12-01), Davies et al.
patent: 4329532 (1982-05-01), Conn et al.
patent: 4347394 (1982-08-01), Detz et al.
patent: 4444988 (1984-04-01), Capsuto et al.
patent: 4528412 (1985-07-01), Steacy
Csicsery, Sigmund M., "Dehydrocyclodimerization", Ind. Eng. Chem. Process Des. Dev., vol. 18, No. 2, 1979, pp. 191-197.

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