Separation of methylene chloride from n-pentane by extractive di

Details Separation of methylene chloride from n-pentane by extractive di Separation of methylene chloride from n-pentane by extractive di

1993-07-22

1994-04-19

Mc Farlane, Anthony

Chemistry of hydrocarbon compounds

Purification, separation, or recovery

By addition of extraneous agent, e.g., solvent, etc.

585866, 423414, C07C 700, C01B 3100

Patent

active

053047001

ABSTRACT:
Methylene chloride cannot be completely separated from n-pentane by conventional distillation or rectification because of the minimum boiling azeotrope. Methylene chloride can be readily separated from n-pentane by extractive distillation. Typical effective agents are 2-pentanone, isopropyl acetate or methanol.

REFERENCES:
patent: 4345976 (1982-08-01), Peter et al.

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