DIRTY WASTEWATER PURIFICATION SYSTEM

WIPO Patent Application WO/2018/066443

A1

[Problem] To provide a self-contained dirty wastewater purification system with improved durability and maintainability and improved degradation ability. [Solution] A dirty wastewater purification system 1 is provided with an anaerobic tank 3, an anoxic tank 4, an aerobic tank 5, and an accelerated oxidation tank 6. Each tank is disposed in proximity to any or a plurality of the other tanks and the water level in the tanks is kept the same. An immersible pump 19 that starts intermittently is provided in the anaerobic tank 3. One end of a transfer pipe 21, the other end of which is connected to an inflow opening of a solid-liquid separator 20, is connected to the immersible pump 19, and one end of a transfer pipe 22, the other end of which is positioned within the anoxic tank 4, is connected to the outflow opening of the solid-liquid separator 20. A scum pump 31 is disposed so as to float in the accelerated oxidation tank 6, and one end of a return pipe 32, the other end of which is positioned in the anaerobic tank 3, is connected to the scum pump 31.

KIM SUNGIL (JP)

PCT/JP2017/035111

April 12, 2018

September 28, 2017

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KIM SUNGIL (JP)

C02F3/34; B01D61/58; C02F1/24; C02F1/32; C02F1/36; C02F1/44; C02F1/461; C02F1/72; C02F1/78; C02F3/10; C02F3/12; C02F9/02; C02F9/04; C02F9/06; C02F9/08; C02F9/12; C02F9/14

JP2014128790A	2014-07-10
JP2013501617A	2013-01-17
JP2005161135A	2005-06-23
JP2009262122A	2009-11-12
JP2015188817A	2015-11-02
JP2007229565A	2007-09-13
JP2014180628A	2014-09-29
JP2008023491A	2008-02-07

KAWAGUCHI Takayoshi (JP)

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