Method of separating high-boiling or non-volatile materials

Details Method of separating high-boiling or non-volatile materials Method of separating high-boiling or non-volatile materials

1975-10-07

1978-08-29

Bascomb, Jr., Wilbur L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260526N, 260533N, 55 46, 203 42, 203 49, 203DIG21, C07C 5704, B01D 114

Patent

active

041103700

ABSTRACT:
In the oxidation of propylene and/or acrolein, high-boiling or non-volatile byproducts are separated from the solvents used for absorbing the acrylic acid by treating the said solvents laden with byproducts with the hot reaction gases in such amounts that the major portion of the solvents evaporates, the residual solvent containing a high percentage of said byproducts then being discarded or worked up.

REFERENCES:
patent: 3433840 (1969-03-01), Shima et al.
patent: 3868417 (1975-02-01), Duembgen et al.
patent: 3926744 (1975-12-01), Noll et al.
patent: 3932500 (1976-01-01), Duembgen et al.

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