Water treatment equipment

Details Water treatment equipment Water treatment equipment

2007-06-19

2009-12-15

Barry, Chester T (Department: 1797)

Liquid purification or separation

With gas-liquid surface contact means

C210S151000, C210S220000, C210S198100, C210S221200

Reexamination Certificate

active

07632400

ABSTRACT:
A water treatment equipment has a raw water tank as a mixing section, a micronanobubble generation tank, a floatation tank, and a treated water tank. Waste water as treatment water is introduced into the raw water tank and mixed with the water containing micronanobubbles produced by the micronanobubble generation tank. Thereafter, the waste water, as treatment water, is introduced into a lower mixing section of the floatation tank from the raw tank by a raw water tank pump. Also, treatment water containing fine bubbles is introduced into the lower mixing section from a pressure tank. Therefore, the micronanobubbles is mixed with the fine bubbles in the lower mixing section of the floatation tank, thereby almost all the suspended matter in the treatment water is surfaced. Thus, the water treatment equipment enhances separatability of suspended matter.

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Serizawa, et. al., “Laminarization of micro-bubble containing milky bubbly flow in a pipe,” 3rd European-Japanese Two-Phase Flow Group Meeting, Certosa di Pontignano, Sep. 21-27, 2003.

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