Title:
WATER TREATMENT DEVICE AND WATER TREATMENT METHOD
Document Type and Number:
WIPO Patent Application WO/2015/181998
Kind Code:
A1
Abstract:
A water treatment device and water treatment method are provided which can efficiently remove soluble silica in the water to be treated. This water treatment device (1) is characterized by being provided with a soluble silica precipitation unit (13) which precipitates the soluble silica dissolved in the water (W1) to be treated that has a concentration of aluminate ions represented in general expression (1) and a pH within a prescribed range, and a solid-liquid separation unit (14) which separates the water (W1) to be treated and the precipitated soluble silica to obtain treated water (W2), i.e. water (W1) to be treated from which the soluble silica has been removed. [Al(OH)4]- … Expression (1)
Inventors:
UKAI NOBUYUKI (JP)
OKINO SUSUMU (JP)
SUZUKI HIDEO (JP)
NAKASHOJI HIROSHI (JP)
YOSHIOKA SHIGERU (JP)
KOMATSU TOMOMI (JP)
OKINO SUSUMU (JP)
SUZUKI HIDEO (JP)
NAKASHOJI HIROSHI (JP)
YOSHIOKA SHIGERU (JP)
KOMATSU TOMOMI (JP)
Application Number:
PCT/JP2014/074321
Publication Date:
December 03, 2015
Filing Date:
September 12, 2014
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD (JP)
International Classes:
C02F1/60; C02F1/04; C02F1/42; C02F1/46
Foreign References:
| JP2004141799A | 2004-05-20 | |||
| JPS5573399A | 1980-06-03 | |||
| JP2001157894A | 2001-06-12 | |||
| JP2004097932A | 2004-04-02 | |||
| JP2014064983A | 2014-04-17 | |||
| JPH02227185A | 1990-09-10 | |||
| JPS5190160A | 1976-08-07 | |||
| US5904853A | 1999-05-18 |
Other References:
See also references of EP 2993159A4
Attorney, Agent or Firm:
SAKAI, Hiroaki et al. (JP)
Hiroaki Sakai (JP)
Hiroaki Sakai (JP)
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