Chemistry of inorganic compounds – Phosphorus or compound thereof – Oxygen containing
Patent
1981-07-20
1982-12-21
Vertiz, O. R.
Chemistry of inorganic compounds
Phosphorus or compound thereof
Oxygen containing
C01B 2516
Patent
active
043649122
ABSTRACT:
The Hill process for control of post-precipitation in wet process phosphoric acid can be made to work on low-iron phosphate rock, without the need of added perlite or other aluminum silicate.
REFERENCES:
patent: 3338675 (1967-08-01), Gilbert
patent: 4110422 (1978-08-01), Hill
Harness Charles L.
Heller Gregory A.
McDowell, Jr. William W.
Vertiz O. R.
W. R. Grace & Co.
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