Oxidation of phosphoric acid plus K compound addition

作者: Moises G. Sanchez

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摘要: This invention is directed to an improvement in the Hill phosphoric acid process, whereby process can be used with high-iron phosphate rock. The involves oxidation of divalent iron early stage followed by addition a soluble potassium compound crystallizer.

参考文章(11)
Jr Bob Posey, Jr Ted E Varnado, Process for removing iron from phosphoric acid ,(1962)
Warren R Seyfried, Atkin Sydney, Production of feed grade dicalcium phosphate ,(1952)
Tuttle Raymond E, Harwood William W, Smalter Donald J, Process for producing clarified phosphoric acid ,(1957)
Erken Sembekovitsch Bugenov, Geb Schtscheborovskaj Boronilo, Utschkun Ismailovitsch Junusov, Ortho:phosphoric acid purificn. by oxidn. of lower acids - using palladium on charcoal catalyst to simplify process and plant ,(1978)
Sergio Ortega Pierres, Stabilization of wet-process phosphoric acid ,(1975)