PURIFYING AND CONCENTRATING APPARATUS OF MINERAL ACID * ESPECIALLY SULFULIC ACID

Title:

PURIFYING AND CONCENTRATING APPARATUS OF MINERAL ACID * ESPECIALLY SULFULIC ACID

Document Type and Number:

Japanese Patent JPS557592

Kind Code:

A

Abstract:

For concentration and possible purification of mineral acids, particularly sulphuric acid, a furnace which can be heated is utilized, in which one or several long quartz tubes are placed. 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 with the utilized means. The acid which is to be treated is fed to the respective quartz tube via the upper parts of this, and the purified acid is collected in a vessel located at the lower parts of the quartz tube. Packings of small and/or medium dimensions are arranged in the quartz tubes.

Inventors:

HANSU BUROBERUKU
RARUSU DOUREN
YOON TOROENKU

Application Number:

JP7556979A

Publication Date:

January 19, 1980

Filing Date:

June 14, 1979

Export Citation:

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Assignee:

BOFORS AB

International Classes:

B01D1/06; B01J19/02; C01B17/88; C01B17/90; B01D1/22; (IPC1-7): B01D1/22; B01J19/02; C01B17/88; C01B17/90

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