WATER TREATMENT DEVICE AND WATER TREATMENT METHOD

WIPO Patent Application WO/2012/050215

A1

Provided is a water treatment device with which organic substances contained in raw water to be treated are decomposed to thereby alleviate the load to be imposed on a downstream filter and with which it is possible to avoid corrosion of the piping or the like. The water treatment device (12) includes a large-bore channel (22), a small-bore channel (23), and a pressure pump (24) which pressurize raw water (15a) to a given pressure, the raw water containing organic substances, and further includes a laser light source (25) and a condenser lens (26) which irradiate laser light (27) upon the pressurized raw water (15a) to heat the raw water to a given temperature, wherein the laser light (27) emitted from the laser light source (25) is focused by the condenser lens (26) on a region (29) that is located in the small-bore channel (23) through which the pressurized raw water (15a) flows and that is separate from the wall of the channel, thereby heating the raw water (15a) present in this region (29) and yielding supercritical water or subcritical water to decompose the organic substances contained in the raw water (15a).

MORIYA TSUYOSHI (JP)
KATAOKA KENICHI (JP)
SENZAKI SHIGERU (JP)
SHIMANUKI YOUICHI (JP)
KANO KAZUHIKO (JP)

PCT/JP2011/073748

April 19, 2012

October 07, 2011

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TOKYO ELECTRON LTD (JP)
MORIYA TSUYOSHI (JP)
KATAOKA KENICHI (JP)
SENZAKI SHIGERU (JP)
SHIMANUKI YOUICHI (JP)
KANO KAZUHIKO (JP)

C02F1/58; B01J3/00; B01J3/02; C02F1/74

JP2005305234A	2005-11-04
JP2007163378A	2007-06-28

BECCHAKU Shigehisa et al. (JP)
Role of another Shigehisa (JP)

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