Title:
重金属類含有廃棄物処理剤及び重金属類含有廃棄物処理方法
Document Type and Number:
Japanese Patent JP4702874
Kind Code:
B2
Abstract:
To provide a waste treatment agent and a waste treatment method, having an excellent fixing performance of heavy metals in a wide pH range, capable of effectively catching oxo anionic ions, and also having no fear of generating of a harmful gas even if added to the waste containing an acidic substance.
The waste treatment agent is composed of a reaction product of urea and inorganic acid and/or organic acids. The waste treatment method is characterized by adding the waste treatment agent to the waste to be treated below 50°C.
COPYRIGHT: (C)2006,JPO&NCIPI
More Like This:
| WO/2019/235110 | EXHAUST GAS PROCESSING DEVICE |
| WO/2016/148735 | METHODS AND COMPOSITIONS FOR THE REMOVAL OF MERCURY FROM GASES |
Inventors:
Toshi Takeuchi
Masatake Kawashima
Kamio Katsuhisa
Masafumi Moriya
Masatake Kawashima
Kamio Katsuhisa
Masafumi Moriya
Application Number:
JP2004295633A
Publication Date:
June 15, 2011
Filing Date:
October 08, 2004
Export Citation:
Assignee:
Miyoshi Oil & Fat Co., Ltd.
International Classes:
B01D53/64; B09B3/00; B09C1/02; B09C1/08; C02F1/58; C02F1/62; C02F11/00; C09K3/00
Domestic Patent References:
| JP2001522301A | ||||
| JP10156315A | ||||
| JP2000136371A | ||||
| JP2001121134A | ||||
| JP11047766A | ||||
| JP10008029A | ||||
| JP8041017A |
Attorney, Agent or Firm:
Isamu Hosoi