Device for concentration and possible purification of mineral ac

Details Device for concentration and possible purification of mineral ac Device for concentration and possible purification of mineral ac

1980-12-12

1982-10-19

Yudkoff, Norman

Concentrating evaporators

Film type

Moving film

159 13C, 159 28D, 159DIG42, 159DIG15, B01D 106

Patent

active

043548997

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.

REFERENCES:
patent: 3822192 (1974-07-01), Brown
patent: 4014735 (1977-03-01), Guth et al.
patent: 4138309 (1979-02-01), Kuhnlein et al.
patent: 4243477 (1981-01-01), Broberg et al.
patent: 4269655 (1981-05-01), Broberg et al.

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