Absorption and drying towers

Details Absorption and drying towers Absorption and drying towers

1987-10-14

1988-05-31

Miles, Tim

Gas and liquid contact apparatus

Contact devices

Porous mass

261 97, B01F 304

Patent

active

047479701

ABSTRACT:
Absorption and drying towers for treating sulphur trioxide process gases and air, respectively, with concentrated sulphuric acid in the manufacture of sulphuric acid. Each tower has a suitably shaped downwardly angled gas delivery duct protruding into a lower chamber of the tower to prevent acid from entering inside the duct. Each tower also has its lower chamber defined by the base of the tower and a suitably formed packing support. Additional packing is interposed between the lower walls of the tower and the packing support. Improved corrosion resistance of the metal components is obtained.

REFERENCES:
patent: 2843217 (1958-07-01), Von Linde
patent: 3378349 (1968-04-01), Shirk
patent: 3440018 (1969-04-01), Eckert
patent: 3448038 (1969-06-01), Pall et al.
patent: 4543244 (1985-09-01), Jones et al.
patent: 4547353 (1985-10-01), Cameron
patent: 4654205 (1987-03-01), Cameron

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