THREE-DIMENSIONAL FILAMENT MATRIX AS BIOLOGICAL FILTRATION MEDIUM
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United States of America Patent
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Issued Date -
Jun 19, 2014
app pub date -
Dec 18, 2013
filing date -
Dec 18, 2012
priority date (Note) -
Abandoned
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Abstract
A microbial attachment means with consistent physical properties and non-degradable material suitable for submerged or free-draining filtration of wastewater is provided in the present invention. The material is used in the construction and landscaping industries and is readily available and cost-effective. It consists of a web or mesh of loosely overlapping polymeric filaments forming sheets with small three-dimensional topographic undulations or “hill and valley”, corrugated morphology. The sheets are configured into a variety of shapes that form an isometric matrix of irregular filaments as protected surface area for microbial attachment, and with intervening large pores for water and air circulation.
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