Chemistry of inorganic compounds – Phosphorus or compound thereof – Oxygen containing
Patent
1983-12-01
1986-06-24
Heller, Gregory A.
Chemistry of inorganic compounds
Phosphorus or compound thereof
Oxygen containing
423313, 423321R, C01B 2516, C01B 1516, C01B 2526
Patent
active
045967032
ABSTRACT:
The disclosure relates to a process for purifying crude, concentrated wet-processed phosphoric acid. To this end, the disclosure provides:
REFERENCES:
patent: 1929442 (1933-10-01), Milligan
patent: 3684438 (1972-08-01), Gleason
patent: 4118462 (1978-10-01), Desire et al.
patent: 4196180 (1980-04-01), Wojtech et al.
Gradi Reinhard
Heymer Gero
Schimmel Gunther
Heller Gregory A.
Hoechst Aktiengesellschaft
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