Title:
METHOD OF CLEANING SLUDGE AT BOTTOM OF WATER
Document Type and Number:
Japanese Patent JP3797297
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a method of cleaning a sludge at the bottom of the water which is friendly to the earth, is efficient and stable and is low in cost.
SOLUTION: The method of cleaning the sludge at the bottom of the water is characterized by including a cavitation treating step of subjecting the dredged bottom sludge to cavitation treatment, a filtering step of filtering the modified sludge and separating filtrate, a solidifying step of incorporating a solidifying agent into the filter media of the blast furnace water-crashed granulated slag which is used for filtration and is stuck with a filtration residue and kneading the mixture, and a post treating step of back filling the solidified matter formed by the solidifying treatment to the bottom or transferring the solidified sludge as a soil material for land filling and land reclamation.
Inventors:
Haruhiko Komiya
Courage
Takeshi Tsuji
Yukihiko Okamoto
Kaoru Takeda
Yasuhiko Kihara
Imai Daizo
Hideyo Tatsuta
Courage
Takeshi Tsuji
Yukihiko Okamoto
Kaoru Takeda
Yasuhiko Kihara
Imai Daizo
Hideyo Tatsuta
Application Number:
JP2002235378A
Publication Date:
July 12, 2006
Filing Date:
August 13, 2002
Export Citation:
Assignee:
JFE Engineering Corporation
International Classes:
C02F11/06; E02F7/00; B01D39/06; C02F11/00; C02F11/12; (IPC1-7): C02F11/06; B01D39/06; C02F11/00; C02F11/12; //E02F7/00
Domestic Patent References:
| JP1268821A | ||||
| JP11300390A | ||||
| JP57032799A | ||||
| JP2002192200A | ||||
| JP8270002A | ||||
| JP2001314887A |
Attorney, Agent or Firm:
Souji Sasaki
Hisao Kobayashi
Toshihiko Ishikawa
Saburo Kimura
Noboru Omura
Hisao Kobayashi
Toshihiko Ishikawa
Saburo Kimura
Noboru Omura