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

1998-06-26

1999-11-16

Griffin, Walter D.

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

059861541

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.
patent: 5789637 (1998-08-01), Mignard et al.

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