Liquid purification or separation – With means to add treating material – With distinct reactor tank – trough or compartment
Reexamination Certificate
2007-11-27
2007-11-27
Smith, Duane (Department: 1724)
Liquid purification or separation
With means to add treating material
With distinct reactor tank, trough or compartment
C210S219000, C366S174100, C366S307000
Reexamination Certificate
active
10795418
ABSTRACT:
A flush mixing tank is provided with a flocculant mixing section in which a raw water a to be treated is introduced and a flocculant such as known aluminum sulfate or polychlorinated aluminum is injected, and then they are agitated and mixed; and a floc growing section through which flocculant injected water mixed with the flocculant passes, and the flocculant injected water is discharged as a floc treated water, but a water passing member, which is provided with a plurality of water through-holes for promoting the growth of the flocs in the flocculant injected water, is disposed in the floc growing section. Flocs of flocculant injected water can be rapidly formed, and growth of the flocs can be accelerated.
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Water supply facility design guideline (2000 edition), Publication office: aggregate corporation Japan Water Association, Issue (second edition): Jun. 2000, pp. 150 and 187-188.
Aoki Nobuhiro
Murata Naoki
Yonekawa Hitoshi
NGK Insulators Ltd
Smith Duane
Steptoe & Johnson LLP
Theisen Douglas J.
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