Modular filtration system

Details Modular filtration system Modular filtration system

2008-07-15

2008-07-15

Drodge, Joseph W (Department: 1797)

Liquid purification or separation

Processes

Separating

C055S282000, C055S283000, C055S309000, C055S312000, C055S323000, C055S485000, C095S020000, C095S278000, C095S287000, C210S108000, C210S132000, C210S332000, C210S333010, C210S434000, C210S741000

Reexamination Certificate

active

07399419

ABSTRACT:
A filter system includes a set of modules, each module including screen assemblies and filter media sandwiched between the screen assemblies. A plurality of control assemblies are associated with each of the modules. Each of the control assemblies is in fluid communication with a corresponding module to control flow through the corresponding module. The control assemblies selectively control fluid in each of the modules between at least one of a forward flow through the screen assemblies to treat an influent flow, a bypass flow to bypass at least one of the modules, and a reverse flow to backwash a given filter media. A method of filtering influent includes providing an influent flow to a set of modules, each module including screen assemblies and filter media sandwiched between the screen assemblies. The influent is filtered by directing the influent through the set of modules. A given module is bypassed when the given module becomes occluded. The occluded module is backwashed by providing a reverse flow through the screen assemblies and the filter media.

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