Process for production of dimethylnaphthalene

Details Process for production of dimethylnaphthalene Process for production of dimethylnaphthalene

1993-07-01

1995-03-07

Pal, Asok

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

585654, 585658, 585660, C07C 500

Patent

active

053960076

ABSTRACT:
A process for producing dimethylnaphthalene by the dehydrogenation of dimethyl-tetrahydronaphthalene which comprises carrying out the dehydrogenation reaction in a gaseous state at a temperature of 200.degree. to 350.degree. C. in the presence of a diluting medium and by the use of a platinum and/or palladium catalyst supported on an activated carbon carrier. The process is capable of producing industrially useful dimethylnaphthalene with a high yield and a high selectivity and minimized side reactions, over a long stabilized period.

REFERENCES:
patent: 3781375 (1973-12-01), Shima
patent: 4999326 (1991-03-01), Sikkenga
patent: 5012024 (1991-04-01), Sikkenga et al.
patent: 5189234 (1993-02-01), Amelse

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