Ozone treatment equipment, sludge treatment equipment, ozone treatment method and sludge treatment method

Japanese Patent JP6335749

B2

PROBLEM TO BE SOLVED: To provide an ozone treatment apparatus capable of increasing the amount of sludge to be adsorbed to foams at the liquid level of a sludge-containing liquid, so that the reaction efficiency between the sludge and ozone gas can be increased and the ozone consumption can be reduced in parallel.SOLUTION: An ozone treatment apparatus 1 includes an ozone reaction tank 2 and ozone treatment means 3. In the ozone reaction tank 2, ozone gas 9 is blown into a sludge-containing liquid 4 to cause foaming, so that a foamed sludge 6 is formed on the liquid level of the sludge-containing liquid 4. The ozone treatment means 3 blows ozone gas 9 into the sludge-containing liquid 4 taken out from the vicinity of the liquid level of the sludge-containing liquid 4 to cause refined foaming, so that a sludge 21 with refined foams is formed. The sludge 21 with refined foams is introduced into a region with the foamed sludge 6 in the ozone reaction tank 2.SELECTED DRAWING: Figure 1

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Hiroshi Kuroki
Seiji Furukawa
Nozomi Yasunaga
Osamu Wakamura
Shintaro Ohara
Usui Hajime
Oizumi Masanobu

JP2014208665A

May 30, 2018

October 10, 2014

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Mitsubishi Electric Corporation
Nippon Steel & Sumikin Engineering Co., Ltd.

C02F1/78; C02F11/04; C02F11/06

JP2000176494A
JP2004141697A
JP2008212868A
JP2005205375A
JP2003275788A
JP2000325995A
JP2008264785A
JP59228994A
JP2016077933A
JP11042494A

US20050145575

Michiharu Soga
Kajinami order
Kazuhiro Oyaku
Shunichi Ueda
Junichiro Yoshida
Satoshi Iino

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