Separation process

Details Separation process Separation process

1987-10-09

1990-09-11

Caldarola, Glenn

Chemistry of hydrocarbon compounds

Purification, separation, or recovery

By cooling of liquid to obtain solid, e.g., crystallization,...

585816, 585817, C07C 714

Patent

active

049565206

ABSTRACT:
Separation of a crystallizable component, especially paraxylene, from solution by chilling to form a slurry of crystals and liquid, separating crystals of the component in a first separator while simultaneously washing the crystals with a wash liquid and then re-melting the crystals, re-chilling them, separating the crystals in a second separator and washing them with a second wash liquid.

REFERENCES:
patent: 2985694 (1961-05-01), Talbot
patent: 3177265 (1965-04-01), Lammers
patent: 3462508 (1969-08-01), Dresser et al.
patent: 3462509 (1969-08-01), Dresser et al.
patent: 3487652 (1970-01-01), McKay
patent: 3916018 (1975-10-01), Edison et al.

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