Filter Element for Water Loaded with Solid Particles and Dissolved Toxic Substances and Purification System Equipped with Said Filter Element Test System for Portable Analyzer
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United States of America Patent
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app pub date -
Feb 7, 2008
filing date -
Jan 26, 2005
priority date (Note) -
Abandoned
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Abstract
The invention relates to a filter element consisting of a molded body of porous concrete, which element is arranged in the water stream of a purification system. In particular, the filter element (10) is a molded pervious concrete layer arranged as a partition between a lower compartment (9) and an upper compartment (11) of a treatment chamber (8), wherein the water inlet (12) opens into the lower compartment (9) and a water outlet (17) issues from the upper compartment (11). The pervious concrete filter layer may contain one or more additives to enhance adsorption of pollutants, such as heavy metal ions, phosphorous, hydrocarbons or other target soluble pollutants.
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