ULTRA-HIGH PURITY, ULTRA-HIGH PERFORMANCE DIATOMITE FILTRATION MEDIA

This invention concerns ultra-high purity, ultra-high performance biogenic silica filtration products comprising diatomaceous earth. In particular, it relates to products comprising diatomaceous earth which is derived from ores that have been specifically selected for their naturally low centrifuged...

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Bibliographische Detailangaben
Hauptverfasser:	WANG, Qun, PALM, Scott Kevin, NYAMEKYE, George A, LENZ, Peter E
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AGEING BEER BIOCHEMISTRY CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY CLARIFICATION ENZYMOLOGY METALLURGY MICROBIOLOGY MUTATION OR GENETIC ENGINEERING PASTEURISATION PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PRESERVATION PURIFICATION SEPARATION SPIRITS STERILISATION THEIR RELEVANT APPARATUS TRANSPORTING VINEGAR WINE
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Beschreibung
Zusammenfassung:	This invention concerns ultra-high purity, ultra-high performance biogenic silica filtration products comprising diatomaceous earth. In particular, it relates to products comprising diatomaceous earth which is derived from ores that have been specifically selected for their naturally low centrifuged wet density and which have been intensively beneficiated to reduce extractable impurities to near or below detection limits. The low centrifuged wet density of the selected natural ore is either maintained or further reduced through the beneficiation process, which provides for filtration product/media with high particulate holding capacities able to provide for extended filtration cycle times.