Method for purifying diatomaceous earth

A method for purifying diatomaceous earth, whose natural colloidal structure is retained, which includes preparing a suspension of diatomaceous earth in a liquid wherein diatomaceous earth is insoluble, separating diatomaceous earth from the suspension, treating diatomaceous earth with an inorganic...

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Hauptverfasser:	CLEMENTIS GYÖRGY, LUKÁCS GYULA, ALBRECHT OTTÓ, MARKOVITS IMRE, HERÉB GYÖNGYI, PUSKÁS RÉKA ESZTER, KISS GITTA, SZLÁVIK LÁSZLÓ, BÁNKÖVI BEATRIX, MÓRÁSZ TAMÁS, VARGA ZOLTÁN, GREGORNÉ BOROS LIVIA, HUDÁK MÁTÉ, BACHER GÁBOR ATTILA, NAGY KÁLMÁN, FODORNÉ KOCSMÁR KRISZTINA, MIKULÁSIK ENDRE, SPAITS TAMÁS, KAPUI IMRE
Format:	Patent
Sprache:	eng
Schlagworte:	HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
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Beschreibung
Zusammenfassung:	A method for purifying diatomaceous earth, whose natural colloidal structure is retained, which includes preparing a suspension of diatomaceous earth in a liquid wherein diatomaceous earth is insoluble, separating diatomaceous earth from the suspension, treating diatomaceous earth with an inorganic or organic acid, heat-treating the thus obtained product at a temperature not higher than 300° C., subjecting the product obtained to oxidative treatment and drying the purified product.