Process and apparatus for the separation of hydrocarbons

Details Process and apparatus for the separation of hydrocarbons Process and apparatus for the separation of hydrocarbons

1989-01-27

1990-08-28

Caldarola, Glenn

Mineral oils: processes and products

Fractionation

Recovery of mineral oil from natural or converted gases

62 34, 62 31, 208355, F25J 302

Patent

active

049523058

ABSTRACT:
In a process for obtaining higher-boiling hydrocarbons from a gaseous stream, the latter is first partially condensed and the thus-formed liquid fraction is introduced into a rectification process whereas the gaseous fraction is scrubbed in a scrubbing column using condense residual gas from the rectification. The thus-formed bottom product is likewise passed on to rectification.
In order to enhance the scrubbing step by condensed gas, higher hydrocarbons are admixed to this residual gas. Thereby, on the one hand, the residual gas is subjected to improved initial condensation and, on the other hand, the scrubbing effect is enhanced.

REFERENCES:
patent: 4453956 (1984-06-01), Fabbri et al.
patent: 4486209 (1984-12-01), Fabbri et al.
patent: 4525187 (1985-06-01), Woodward et al.
patent: 4664687 (1987-05-01), Bauer
patent: 4707171 (1987-11-01), Bauer

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