Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1978-12-21
1982-02-09
Garner, Vivan
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
202158, 203 60, 203 63, 203 67, 203 69, 203 99, 203DIG6, 2604106, 2604109R, 260421, 560231, 560248, 560263, 560265, C07C 6708, C07C 6754
Patent
active
043149472
ABSTRACT:
A process for completing the esterification of aliphatic carboxylic acids of 1 to 8 carbon atoms with aliphatic or cycloaliphatic alcohols of 3 to 10 carbon atoms at the boiling point of the alcohol in a column operated with bottom heating, the lower space of the column being free from fitments, the middle space being provided with a packing and the upper space being provided with a packing or other fitments, in which process the water of esterification is driven off at the top of the column by azeotropic distillation, the starting mixture is fed into the side of the column from 5 to 10 m above the liquid level, the ester formed is taken off as liquid from the column bottom, and the column is operated with flooding such that the liquid level is from 6 to 10 m, with the liquid mixture filling the lower column space, which is free from fitments, and the lower part of the packed layer above the said space.
REFERENCES:
patent: 2274061 (1942-02-01), Hawby
Chemie Ingenieur Technik, 43 (1971) pp. 1001-1007.
Dinkhauser Guenter
Gnad Josef
Hohenschutz Heinz
Schaefer Eberhard
BASF - Aktiengesellschaft
Garner Vivan
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