Title:
廃棄物の固形化処理法
Document Type and Number:
Japanese Patent JP5171350
Kind Code:
B2
Abstract:
To provide a method intended basically for effective treatment can suppress the leaching of fluorine, selenium, chromium, etc., from waste and further for sure and sufficient reduction of the leaching amounts of selenium and fluorine to levels required by environmental quality standards.
Provided is a method for treating toxic components by solidifying waste comprising adding cement and/or lime under agitation to waste containing selenium, boron, and other toxic substances, hydrothermally treating the mixture, and curing the obtained hydrothermally solidified product by immersion in an aqueous solution of lime.
COPYRIGHT: (C)2010,JPO&INPIT
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Inventors:
Noboru Nakao
Takeshi Tanaka
Kenji Yamagishi
Takeshi Tanaka
Kenji Yamagishi
Application Number:
JP2008092607A
Publication Date:
March 27, 2013
Filing Date:
March 31, 2008
Export Citation:
Assignee:
KABUSHIKI KAISHA KOBE SEIKO SHO
Earth Technica Co., Ltd.
Earth Technica Co., Ltd.
International Classes:
B09B3/00
Domestic Patent References:
| JP2007015893A | ||||
| JP2007253087A | ||||
| JP11268942A | ||||
| JP7292844A | ||||
| JP2008000689A | ||||
| JP2004243184A | ||||
| JP2007268513A | ||||
| JP2007119341A |
Attorney, Agent or Firm:
Yoshiyuki Kaji