Process and installation for concentrating dilute solutions of c

Details Process and installation for concentrating dilute solutions of c Process and installation for concentrating dilute solutions of c

1973-12-18

1976-07-20

Sofer, Jack

Concentrating evaporators

Film type

Moving film

159 29, 159 49, 159 16A, 159DIG6, 159DIG15, 159DIG19, 23275, 23307, 423529, 423531, B01D 114, B01D 122, B01D 102, C01B 1790

Patent

active

039705110

ABSTRACT:
Dilute solutions of corrosive products, such as sulphuric or phosphoric acid, are concentrated by pre-concentrating the dilute solution and then introducing the pre-concentrated solution into a tunnel in which it flows in a thin layer over successive cascades while being heated, preferably by indirect radiant heating. An installation for carrying out the process is also described.

REFERENCES:
patent: 339552 (1886-04-01), Hughes
patent: 548303 (1895-10-01), Dyson
patent: 573219 (1896-12-01), Haubtman
patent: 699011 (1902-04-01), Quinan
patent: 1263950 (1918-04-01), Slater
patent: 2486684 (1949-11-01), Schlesman et al.
patent: 2527410 (1950-10-01), Fleischer
patent: 2620573 (1952-12-01), McMahon
patent: 3221711 (1965-12-01), Beggs
patent: 3294650 (1966-12-01), Manteufel
patent: 3353920 (1967-11-01), Kitzen

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