Wet-process phosphoric acid obtained from Kola apatite. Purification from sulphates, fluorine, and metals

Separation and Purification Technology

Volumn 28, Issue 3, 2002, Pages 197-205

  Kijkowska, R ^a   Pawlowska Kozinska, D ^a   Kowalski, Z ^a   Jodko, M ^a   Wzorek, Z ^a  

^a CRACOW UNIVERSITY OF TECHNOLOGY   (Poland)

Author keywords

Fluorine; Phosphoric acid; Purification; Solvent extraction; Sulphate precipitation

Indexed keywords

DESORPTION; SEPARATION; VOLATILE ORGANIC COMPOUNDS;

WET PROCESSING;

PURIFICATION;

FLUORIDE; METAL EXTRACTION; PRECIPITATION; PURIFICATION; SOLVENT EXTRACTION; SULFATE;

EID: 0036722822     PISSN: 13835866     EISSN: None     Source Type: Journal    
DOI: 10.1016/S1383-5866(02)00048-5     Document Type: Article

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8. 4
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17. 5 phosphoric acid solutions at 80, 90, 100 and 110 °C