Chemistry: fertilizers – Processes and products – Inorganic material
Patent
1987-04-03
1989-05-30
Lander, Ferris H.
Chemistry: fertilizers
Processes and products
Inorganic material
71 43, 71 63, 423 10, 423 63, 423319, 423320, C05B 1302
Patent
active
048347876
ABSTRACT:
A process providing solubilization of phosphate rock by contacting the rock with sulfurous acid in the presence of an oxidizing agent selected from the group consisting of hydrogen peroxide and ozone. Use of sulfurous acid in combination with a substoichiometric amount of hydrogen peroxide significantly enhances the solubilization of phosphate rock.
REFERENCES:
patent: 3979199 (1976-09-01), Collins et al.
patent: 4073634 (1978-02-01), Pircon et al.
patent: 4168150 (1979-09-01), Pircon et al.
patent: 4252553 (1981-02-01), Pircon et al.
patent: 4427640 (1984-01-01), Bowerman et al.
"Phosphorous and its Compounds", vol. II, pp. 1090-1092 and 1095-1097, edited by John R. VanWazer, Interscience Publishers, Inc., New York, N.Y. 1961.
Pircon Ladislav J.
Ratliff Jerome S.
Lander Ferris H.
Pircon Dolores R.
Speckman Thomas W.
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