Chemistry: physical processes – Physical processes – Crystallization
Patent
1980-01-10
1981-10-06
Garris, Bradley
Chemistry: physical processes
Physical processes
Crystallization
423321R, B01D 902, C01B 25234
Patent
active
042933110
ABSTRACT:
In the Hill phosphoric acid process the crystallizer underflow is divided into a major stream and a minor stream. The major stream goes to the clarifier and the minor stream to the aluminum silicate addition vessel.
REFERENCES:
patent: 3528771 (1970-09-01), Shearon et al.
patent: 4048289 (1977-09-01), Pierres
patent: 4110422 (1978-08-01), Hill
patent: 4164550 (1979-08-01), Hill
Garris Bradley
Harness Charles L.
W. R. Grace & Co.
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