Process for separating 2-butanol from tert-butanol/water...

Details Process for separating 2-butanol from tert-butanol/water... Process for separating 2-butanol from tert-butanol/water...

2006-11-28

2006-11-28

Witherspoon, Sikarl A. (Department: 1621)

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

Organic compounds

Oxygen containing

C210S640000, C203S039000

Reexamination Certificate

active

07141707

ABSTRACT:
The present invention relates to a process for separating 2-butanol from tert-butanol/water mixtures using a membrane to reduce a water concentration to less than the limit concentration of the distillation boundary line connecting the two azeotropes TBA/water and SBA/water and is subsequently worked up by distillation.

REFERENCES:
Chemical Abstracts, AN 1988-173020, XP-002279776, JP 62-270537, Nov. 24, 1987.
Chemical Abstracts, AN 1975-605762, XP-002279771, JP 50-016339, Jun. 12, 1975.
Guo Yufeng, et al., “Processes of s - Butanol Produced by Catalytic Hydration of n - Butene,” Petrochemical Technologies and Applications, 17, 2, 1999, pp. 114-117.

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