Biological filtration using parallel sheets

This invention relates to compact, high efficiency filter medium for used in biological filters. Thin filter sheets provide large surface area for the colonization of bacteria. Stacking the filter sheets in layers or rolling the sheet upon itself produce uniform flow passages defined by the spacers...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	YUAN CHRYSTAL S, YUAN SIDNEY W. K, YUAN JACQUELYN K, YUAN KATHERINE K
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS METALLURGY TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:	This invention relates to compact, high efficiency filter medium for used in biological filters. Thin filter sheets provide large surface area for the colonization of bacteria. Stacking the filter sheets in layers or rolling the sheet upon itself produce uniform flow passages defined by the spacers on the filter sheets which prevent fluid from flowing through a few large passages and thus reducing the efficiency of the entire filter.