Waste water treatment apparatus

Details Waste water treatment apparatus Waste water treatment apparatus

1998-02-25

1999-12-28

Upton, Christopher

Liquid purification or separation

With gas-liquid surface contact means

With separator

2101952, 2102572, 210616, 210903, C02F 310

Patent

active

060077123

ABSTRACT:
A waste water treatment apparatus which is compact, and excellent in durability, has a high treatment performance and can stably operate for a long time is provided. In a waste water treatment apparatus at least comprising a waste water treatment tank in which a carrier particle immobilizing a microbe is charged and decomposing and eliminating an organic matter and/or an inorganic matter contained in a waste water, and a membrane module for filtrating a water to be treated which flows out from said treatment tank, a non-permeating water not passing thorough the membrane module is returned and circulated to said treatment tank. In a waste water treatment apparatus at least comprising a waste water treatment tank in which a carrier particle immobilizing a microbe is charged and decomposing and eliminating an organic matter and/or an inorganic matter contained in a waste water, a carrier immobilizing a microbe is an acetalized polyvinyl alcohol hydrogel.

REFERENCES:
patent: 4933076 (1990-06-01), Oshima et al.
patent: 5204001 (1993-04-01), Tonelli et al.
patent: 5254253 (1993-10-01), Behmunn
patent: 5486292 (1996-01-01), Bair et al.
patent: 5580770 (1996-12-01), De Filippi
patent: 5876603 (1999-03-01), Sumino et al.

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