Process for the hydrogenation of aromatic compounds comprising c

Details Process for the hydrogenation of aromatic compounds comprising c Process for the hydrogenation of aromatic compounds comprising c

1996-06-27

1998-08-04

Caldarola, Glenn

Chemistry of hydrocarbon compounds

Adding hydrogen to unsaturated bond of hydrocarbon, i.e.,...

Hydrocarbon is aromatic

585266, 585268, 585277, 208143, 208144, 208145, C07C 510, C10G 4552

Patent

active

057896372

ABSTRACT:
The invention concerns a process for the hydrogenation of aromatic compounds contained in feeds with an initial boiling point of more than 100.degree. C. and which contain at least 10% by weight of aromatic compounds. It consists of introducing chlorine in a concentration of 0.5-500 ppm by weight with respect to the feed at a temperature of between 200.degree. C. and 450.degree. C., a pressure in the range 1 MPa to 25 MPa, an HSV of between 0.1 h.sup.-1 and 10 h.sup.-1 and a volume ratio of hydrogen to feed of 100-2000. The catalyst used is a noble metal type and contains less than 1% of at least one halogen. Preferably, the catalyst is fluorinated or chlorinated.

REFERENCES:
patent: 3639227 (1972-02-01), Jacobson et al.
patent: 3816299 (1974-06-01), Mears
patent: 3954601 (1976-05-01), Cosyns et al.
patent: 4115255 (1978-09-01), Hayes et al.

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