Air cooling during the production of phosphoric acid

Details Air cooling during the production of phosphoric acid Air cooling during the production of phosphoric acid

1980-06-12

1982-03-02

Vertiz, O. R.

Chemistry of inorganic compounds

Phosphorus or compound thereof

Oxygen containing

423319, 423166, 422168, C01B 2516, B01D 5334

Patent

active

043178073

ABSTRACT:
The air cooling of exothermic reaction vessels is improved by providing a cooling air recirculation loop wherein substantial amounts of the cooling air are recycled through the system with but a small fraction thereof being discharged to ambient, and after the condensable/soluble off-gases are depleted therefrom and with addition thereto of but minor amounts of additional feed air. Such technique is well suited for controlling the temperature of the digestion of phosphate rock with sulfuric acid, in the known wet-process for the production of phosphoric acid.

REFERENCES:
patent: 3499731 (1970-03-01), Sackett
patent: 4075305 (1978-02-01), Geilly

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