Chemistry of inorganic compounds – Phosphorus or compound thereof – Oxygen containing
Patent
1984-07-03
1985-09-10
Heller, Gregory A.
Chemistry of inorganic compounds
Phosphorus or compound thereof
Oxygen containing
423321S, C01B 2316
Patent
active
045405581
ABSTRACT:
The disclosure relates to a process for removing organic compounds from wet-processed phosphoric acid with the aid of an adsorbant. To this end the disclosure provides for the acid to be heated to at least 250.degree. C. prior to treating it with the adsorbant. The disclosure also relates to an apparatus for carrying out the process.
REFERENCES:
patent: 4134964 (1979-01-01), Ehlers et al.
patent: 4215098 (1980-07-01), Lowe
patent: 4330516 (1982-05-01), Winand
Gradl Reinhard
Heymer Gero
Schimmel Gunther
Stephan Hans-Werner
Heller Gregory A.
Hoechst Aktiengesellschaft
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