Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Patent
1980-07-31
1981-10-13
Trousof, Natalie
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
C07C 2978
Patent
active
042949980
ABSTRACT:
A process for the purification of crude 1,4-butanediol by crystallizing said crude in a solution comprising tetrahydrofuran at a temperature of from 10.degree. to -10.degree. C. and a pressure of from 16-26 mm of mercury to form a slurry of crystallized 1,4-butanediol in a liquid, and then separating the crystallized 1,4-butanediol from the liquid.
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Kirk-Othmer "Encyclopedia of Chemical Technology" Interscience, Publ. 2nd Ed., vol. 10, pp. 249; 668 (1967).
Weissberger, Arnold, Ed. "Techniques of Organic Chemistry" vol. III, Part I, "Separation and Purification", Interscience, Publ. (1956) pp. 396-397, 528-529, 542-543, 548-549 & 555-558.
CRC Handbook of Chemistry and Physics, 60th Edition (1979-1980) pp. C-220 and C-312.
E. I. Du Pont de Nemours and Company
Hendriksen L.
Trousof Natalie
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