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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

a technology of filter element and dissolved toxic substance, which is applied in the direction of sedimentation settling tank, sewage draining, separation process, etc., can solve the problems of filter element and sink separation of filtered out particles, and achieve the effect of enhancing the adsorption action of the filter, reducing the number of dissolved toxic substances, and reducing the number of toxic substances

Inactive Publication Date: 2008-05-29
FORTERRA CONCRETE PROD INC +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The system efficiently filters out heavy metal ions and other pollutants from stormwater runoff, reducing environmental impact and minimizing the burden on sewer treatment facilities, with modular design allowing for easy maintenance and replacement of filter elements.

Problems solved by technology

This has the consequence that after the dying away of the vertical current, the filtered-out particles separate from the filter element and sink.

Method used

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  • 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
  • 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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Embodiment Construction

[0016]Certain terminology will be used in the following description for convenience in reference only and will not be limiting. The words “upwardly”, “downwardly”, “rightwardly” and “leftwardly” will refer to directions in the drawings to which reference is made. The words “inwardly” and “outwardly” will refer to directions toward and away from, respectively, the geometric center of the device and associated parts thereof. Said terminology will include the words above specifically mentioned, derivatives thereof and words of similar import.

[0017]The purification system represented in FIG. 1 shows three generally vertical shafts arranged in the ground, which are connected to each other via pipes. A first shaft 1 serves as the prefilter for leaves and refuse. A second shaft 2 encloses the main elements of the purification system. A third shaft 3 serves as the control and rinsing shaft. The second shaft 2 may comprise a cylindrical tank adapted to be buried in the ground and is preferab...

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PUM

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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.

Description

BACKGROUND OF THE INVENTION[0001]I. Field of the Invention[0002]This invention relates generally to methods for removing pollutants from stormwater runoff, and more particularly to the design of an underground containment vessel designed to remove solids and targeted dissolved chemical elements that may be present in stormwater runoff.[0003]II. Discussion of the Prior Art[0004]Stormwater runoff from building roofs, parking lots, roadways, etc. picks up contaminants that can be harmful to the environment if allowed to pass, untreated, into rivers, streams, aquifers and the like. The EPA has data suggesting that polluted stormwater runoff is a leading cause of impairment to the nearly 40% of surveyed U.S. water bodies which do not meet water quality standards. Over land or via storm sewer systems, polluted runoff is discharged, often untreated, directly into local water bodies. The pollutants may include solids including sand, gravel, grass, leaves, and the like. It is also known that...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): B01D35/16B01D29/00
CPCC02F1/001C02F1/281C02F1/5236E03F5/16C02F2301/026E03F1/00E03F5/0404C02F2103/001
Inventor DIERKES, CARSTEN
Owner FORTERRA CONCRETE PROD INC
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