Recovery of glycerine from saline waters

Details Recovery of glycerine from saline waters Recovery of glycerine from saline waters

1984-12-10

1985-12-24

Evans, J. E.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

423178, 423206R, C07C 2980, C07C 2986, C07C 3122

Patent

active

045608121

ABSTRACT:
Glycerine is recovered from an aqueous waste stream containing but minor amounts of glycerine by the requested steps of; (1) evaporating, (2) contacting with pentanol, (3) separating precipitated salt, (4) flashing to remove pentanol, and (5) vacuum distillation. This process is particularly useful treating saline waste water resulting from the manufacture of epoxy resins.

REFERENCES:
patent: 1078580 (1913-11-01), Guignard et al.
patent: 2436209 (1948-02-01), Elgin
patent: 2444296 (1948-06-01), Keim et al.
patent: 2479041 (1949-08-01), Elgin
patent: 4164507 (1979-08-01), Blytas et al.

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