Wastewater treatment system

Details Wastewater treatment system Wastewater treatment system

2007-02-06

2007-02-06

Savage, Matthew O. (Department: 1724)

Liquid purification or separation

Constituent mixture variation responsive

C210S151000, C210S192000, C210S194000, C210S202000, C210S205000, C210S416100, C422S161000, C422S234000

Reexamination Certificate

active

10791685

ABSTRACT:
A water treatment system for treating water. The water treatment system includes a primary water treatment station and a solid-based sulfurous generator downstream from the primary water treatment station for producing aqueous sulfurous acid for further treatment of the water. In one embodiment, the solid-based sulfurous generator includes a hydraulic air inlet shut off valve safety system for automatically reducing the combustion air to the sulfurous generator when water is not delivered to the solid-based sulfurous generator. Also, in one embodiment, the water treatment system includes a control system that monitors the pH of the treated water to control the water flow rate through the solid-based sulfurous generator to achieve the desired concentration of sulfurous acid in the water being treated.

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Assembly Drawings and Part Detail Drawings of Harmon Devices on sale at least as early as Mar. 5, 2002, pp. 1-38.
Installation Instructions for Harmon Devices on sale at least as early as Mar. 5, 2002, pp. 1-13.

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