Liquid purification or separation – Processes – Ion exchange or selective sorption
Reexamination Certificate
2007-10-02
2007-10-02
Savage, Matthew O. (Department: 1724)
Liquid purification or separation
Processes
Ion exchange or selective sorption
C210S694000
Reexamination Certificate
active
10540535
ABSTRACT:
When a raw water to be filtered c is fed from a raw water tank11reservoiring a raw water (water to be treated) to a membrane module by a raw water pump P1, an activated carbon raw material supplied from an activated carbon tank is milled together with water to be mixed by a wet milling device, and added and mixed into the raw water tank as an aqueous suspension containing activated carbon fine particles having an average particle size of 0.1 μm to 10 μm, thus producing the raw water to be filtered (activated carbon-containing water to be treated). The raw water to be filtered (activated carbon-containing water to be treated) is filtered by the membrane module at a subsequent step, thereby obtaining a purified water.
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Carlos, Campos et al.;Atrazine Removal By Powdered Activated Carbon In Floc Blanket Reactors; Water. Research.; vol. 34; No. 16; pp. 4070-4080; Nov. 2000.
Aoki Nobuhiro
Mima Satoru
NGK Insulators Ltd.
Oliff & Berridg,e PLC
Savage Matthew O.
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