Title:
汚染土壌の浄化方法
Document Type and Number:
Japanese Patent JP4116975
Kind Code:
B2
Abstract:
To provide a method for cleaning contaminated soil capable of efficiently removing cadmium in cadmium-containing paddy field soil.
In the method for cleaning the cadmium-containing paddy field soil, an aqueous solution of chemicals is applied to a cadmium-containing paddy field, the soil and the aqueous solution are mixed and agitated, thereafter, are left standing to elute cadmium in the soil, are further agitated and, thereafter, are left standing to sediment the soil, the supernatant waste liquid is removed and the soil is thus cleaned with the aqueous solution of chemicals.
COPYRIGHT: (C)2005,JPO&NCIPI
Inventors:
Tomoyuki Makino
Kazuo Sugawara
Hiroyuki Takano
Takashi Kamiya
Kota Sasaki
Kazuo Sugawara
Hiroyuki Takano
Takashi Kamiya
Kota Sasaki
Application Number:
JP2004025393A
Publication Date:
July 09, 2008
Filing Date:
February 02, 2004
Export Citation:
Assignee:
Agricultural Environmental Technology Research Institute
Taiheiyo Cement Co., Ltd.
Taiheiyo Cement Co., Ltd.
International Classes:
B09C1/02; B09C1/00; B09C1/04; B09C1/08; C02F1/40; C02F1/42
Domestic Patent References:
| JP9094556A | ||||
| JP52107964A | ||||
| JP54013466A | ||||
| JP2000296389A | ||||
| JP2002355662A | ||||
| JP54013659A | ||||
| JP52072368A |
Attorney, Agent or Firm:
Alga Patent Office, a patent business corporation
Miyuki Ariga
Toshio Takano
Toshio Nakajima
Masaki Murata
Hiroto Yamamoto
Miyuki Ariga
Toshio Takano
Toshio Nakajima
Masaki Murata
Hiroto Yamamoto