Chemistry of inorganic compounds – Phosphorus or compound thereof – Oxygen containing
Patent
1979-10-22
1981-02-10
Vertiz, O. R.
Chemistry of inorganic compounds
Phosphorus or compound thereof
Oxygen containing
423321R, C01B 2516
Patent
active
042501547
ABSTRACT:
Prevention of re-post precipitation in concentrated wet process phosphoric acid by heating the acid at 55.degree. to 85.degree. C. thereby to dissolve solids without substantial re-post precipitation.
REFERENCES:
patent: Re29149 (1977-03-01), Young
patent: 3361187 (1968-01-01), Hudson et al.
patent: 4110422 (1978-08-01), Hill
Harness Charles L.
Heller Gregory A.
Vertiz O. R.
W. R. Grace & Co.
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