Foulant reducing upstream hydrogenation unit systems

Details Foulant reducing upstream hydrogenation unit systems Foulant reducing upstream hydrogenation unit systems

1997-06-09

2000-08-22

Wood, Elizabeth D

Chemistry of hydrocarbon compounds

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

Hydrocarbon is contaminant in desired hydrocarbon

585264, 585809, 585950, 208 92, 208 48R, C07C 503, C07C 508, C07C 509, C07C 704

Patent

active

061075337

ABSTRACT:
Process flow sequences for the reduction of equipment fouling in the fractional distillation of light end hydrocarbon components, such as those produced by pyrolysis or steam cracking, wherein conventional multiple hydrogenation unit configurations are replaced with upstream hydrogenation unit configurations. The upstream hydrogenation units of the invention are located at either side draws or in the reboiler circuit of deethanizers, in front-end demethanizer and front-end deethanizer sequences, or depropanizers, in front-end depropanizer sequences and obviate the need for most of the conventionally used hydrogenation units downstream.

REFERENCES:
patent: 3537982 (1970-11-01), Parker
patent: 5090977 (1992-02-01), Strock et al.
patent: 5220097 (1993-06-01), Lam et al.

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