Title:
汚染物質が付着した粒状体の処理方法
Document Type and Number:
Japanese Patent JP4132413
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To separate the granule free from a pollutant and large in particle size while adding water from the granule subjected to granulating treatment and to which the pollutant is stuck. SOLUTION: In the treating method, the water to be treated and containing the granule to which a pollutant is stuck is classified by using a liq. cyclone 51 after temporarily storing the water to be treated in a feed sump 40. Moreover, the treated water discharged from the upper part of the liq. cyclone 51 and containing the granule low in particle size and the treated water obtained by separating the granule large in particle size from the soil water containing the granule separated at the liq. cyclone 51 and large in particle size by a dehydrating vibrating screen 53 are returned again to the feed sump 40.
Inventors:
Anti-Gou Takao
Hiroshi Ito
Yutaka Shinta
Hiroshi Ito
Yutaka Shinta
Application Number:
JP16161199A
Publication Date:
August 13, 2008
Filing Date:
June 08, 1999
Export Citation:
Assignee:
RECLAND Co., Ltd.
Kumagai Gumi Co., Ltd.
Shinroku Seiki Co., Ltd.
Kumagai Gumi Co., Ltd.
Shinroku Seiki Co., Ltd.
International Classes:
B09B5/00; B02C15/16; B02C23/36; B03B5/00; B03B5/28; B09B3/00
Domestic Patent References:
| JP1146567A | ||||
| JP8164363A | ||||
| JP3502424A | ||||
| JP10005738A |
Foreign References:
| US4519848 |
Attorney, Agent or Firm:
Junichi Miyazono