B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 3/32 (2006.01) B01D 3/14 (2006.01) B01D 3/42 (2006.01) B01D 5/00 (2006.01)
Patent
CA 2340522
-21- The object of the invention is to provide a solvent distillation apparatus capable of preparing a highly pure anoxic, dehydrated solvent. A distilling flask is connected to a vacuum double-barrel fractionating column by a glass flange. The upper end of the fractionating column is connected to a middle portion of a reflux condenser. The upper end of the reflux condenser is provided with an outlet for a purge gas, and the lower end thereof is connected to a condensate reservoir. The base of the condensate reservoir is connected to the fractionating column near a lower end thereof via a Young cock, and also connected to a collecting flask via a Young cock and a glass flange. An immersion tube is used to blow an inactive gas into a base portion of the condensate reservoir. The fractionating column, the reflux condenser and the condensate reservoir are integrated as one body.
Kitamura Masato
Noda Toshiaki
Noyori Ryoji
Gowling Lafleur Henderson Llp
Nagoya University
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