METHOD FOR PURIFYING DIATOMACEOUS EARTH SUITABLE FOR PHARMACEUTICAL USE

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:	PUSKAS REKA ESZTER, SPAITS TAMAS, CLEMENTIS GYORGY, BANKOVI BEATRIX, ALBRECHT OTTO, MARKOVITS IMRE, SZLAVIK LASZLO, KISS GITTA, BACHER GABOR ATTILA, HUDAK MATE, HEREB GYONGYI, GREGORNE BOROS LIVIA, NAGY KALMAN, MIKULASIK ENDRE, FODORNE KOCSMAR KRISZTINA, LUKACS GYULA, MORASZ TAMAS, VARGA ZOLTAN S, KAPUI IMRE
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS COMPOUNDS THEREOF CONCRETE HUMAN NECESSITIES HYGIENE INORGANIC CHEMISTRY LIME, MAGNESIA MEDICAL OR VETERINARY SCIENCE METALLURGY NON-METALLIC ELEMENTS PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES REFRACTORIES SLAG TREATMENT OF NATURAL STONE
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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.