Title:
DISSOLVED-AIR FLOTATION-TYPE PRETREATMENT APPARATUS
Document Type and Number:
WIPO Patent Application WO/2012/133957
Kind Code:
A1
Abstract:
The present invention relates to a dissolved-air flotation-type pretreatment apparatus. The dissolved-air flotation-type pretreatment apparatus includes: a flotation tank configured to remove foreign substances such as floating matter, turbid matter, or algae contained in raw water such as seawater, sewage, or wastewater; a filtering compartment part (2) provided in the flotation tank (20) and having one partially opened surface and another surface such that the treated water, obtained by primarily removing the floating matter from the raw water, passes therethrough; and a plurality of filtering balls (3) embedded in the filtering compartment part, the plurality of filtering balls including a fibrous or spongy material to filter the turbid matter or floating and suspended solids that remain in the treatment water fed into the filtering compartment part (2).
Inventors:
WOO SUNG WOO (KR)
Application Number:
PCT/KR2011/002068
Publication Date:
October 04, 2012
Filing Date:
March 25, 2011
Export Citation:
Assignee:
DOOSAN HEAVY IND & CONSTR (KR)
WOO SUNG WOO (KR)
WOO SUNG WOO (KR)
International Classes:
C02F1/24; B01D24/36; C02F1/28
Foreign References:
| JPH10156377A | 1998-06-16 | |||
| JPH07251190A | 1995-10-03 | |||
| JP2000185293A | 2000-07-04 | |||
| JPH1054067A | 1998-02-24 |
Other References:
See also references of EP 2690070A4
None
None
Attorney, Agent or Firm:
PARK, JANG-WON (KR)
박장원 (KR)
박장원 (KR)
Download PDF:
Claims: