C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 22/04 (2006.01) B09B 3/00 (2006.01) C02F 11/00 (2006.01) C04B 28/02 (2006.01) A62D 3/00 (2006.01)
Patent
CA 2089019
ABSTRACT OF THE DISCLOSURE Disclosed herein is a waste-treating material which comprises cement and at least one reducing metal, effective for stabilizing industrial wastes containing harmful metals like a heavy metal and the like and cyanides. A preferred example of the reducing metal is iron. Additionally the waste- treating material may also contain at least one member selected from a group consisting of a reducing agent, aluminum sulfate, allophane, and bentonite as the auxiliary. The use of this waste-treating material makes it possible to stabilize the hazardous heavy material and the cyanides contained in the industrial wastes, thereby remarkably contributing to a stabilizing treatment ofthe industrial wastes.
Funahashi Takashi
Nishida Tomio
Sasae Taiichiro
Uekita Masakazu
Borden Ladner Gervais Llp
En-Tech Research Institute Inc.
Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
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