To provide a cleaning method of an air diffusing body by which blocking matter stuck to the air diffusing body, that is used by being immersed in water to be treated containing substances to be treated such as organic substances and ammonia, can be effectively removed and cleaning work of the air diffusing body can be easily performed and to provide an air diffuser which can uses the washing method of the air diffusing body.
In the air diffusing body, air diffusing holes for diffusing gas supplied from a gas supply facility as minute gas bubbles in water to be treated containing the substances to be treated are formed. The cleaning method of the air diffusing body is characterized in that the inside of the air diffusing body is filled with liquid, the liquid is pressurized and the liquid is discharged from the air diffusing holes to the outside of the air diffusing body.
| WO/1997/000832 | CONTROLLING WASTEWATER TREATMENT BY MONITORING OXYGEN UTILISATION RATES |
| JPS5843988 | [Title of the device] Sewage purifying facility |
| JPH10244137 | FINE BUBBLE GENERATOR |
MIURA MASAHIKO
CHIBA NOBUTAKE
YOSHIDA TADAHIRO
KUMADA HIROHIDE
| JPS5086055A | 1975-07-11 | |||
| JPH11138190A | 1999-05-25 | |||
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Seiichi Yakumaru
Hiroaki Nakatani
Yuichi Koyama