Device for concentration and possible purification of...

Details Device for concentration and possible purification of... Device for concentration and possible purification of...

B - Operations, Transporting

01

D

202/107, 23/406

B01D 3/00 (2006.01) B01D 1/06 (2006.01) C01B 17/88 (2006.01)

Patent

CA 1155788

ABSTRACT OF THE DISCLOSURE For the concentration of mineral acids, a furnace is disclosed in which one or several long quartz tubes are vertically disposed. The quartz tubes are sealed at the upper and lower parts of the furnace and inside the furnace the quartz tube is heated from the outside. The acid which is to be treated is fed to the respective quartz tube via the upper part thereof and the purified acid is collected in a vessel located at the lower part of the quartz tube. Packings of small and/or medium dimensions are arranged in the quartz tubes. The improved furnace of the invention is particularly useful for concentrating and purifying sulphuric acid.

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