Title:
FLUORINE RECOVERY DEVICE, FLUORINE RECOVERY SYSTEM, AND FLUORINE RECOVERY METHOD
Document Type and Number:
WIPO Patent Application WO/2013/136385
Kind Code:
A1
Abstract:
A fluorine recovery device, as an embodiment, which is equipped with: a precipitation tank in which calcium carbonate is reacted with the fluorine ions contained in water to be treated, the calcium carbonate having been introduced in excess relative to the amount of the fluorine ions, thereby precipitating calcium fluoride and obtaining primary treated water; and a solid/liquid separator in which the primary treated water containing the calcium fluoride and calcium carbonate is filtered to form, on the filter, a mixed cake layer in which the calcium fluoride and calcium carbonate have accumulated.
Inventors:
TSUTSUMI KENJI
YAMAZAKI ATSUSHI
FUKAYA TARO
YAMANASHI ICHIRO
YAMAZAKI ATSUSHI
FUKAYA TARO
YAMANASHI ICHIRO
Application Number:
PCT/JP2012/005808
Publication Date:
September 19, 2013
Filing Date:
September 13, 2012
Export Citation:
Assignee:
TOSHIBA KK (JP)
TSUTSUMI KENJI
YAMAZAKI ATSUSHI
FUKAYA TARO
YAMANASHI ICHIRO
TSUTSUMI KENJI
YAMAZAKI ATSUSHI
FUKAYA TARO
YAMANASHI ICHIRO
International Classes:
C02F1/58; B01D24/44; B01D29/01; B01D29/62; B01D29/90; B01D29/94; C01F11/22
Foreign References:
| JP2004074041A | 2004-03-11 | |||
| JP2009207953A | 2009-09-17 | |||
| JPH10330113A | 1998-12-15 |
Attorney, Agent or Firm:
SAGOI, MASAYUKI (JP)
Masayuki Sunai (JP)
Masayuki Sunai (JP)
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