Toxic waste fixant and method for making and using same

C - Chemistry – Metallurgy – 04 – B

Patent

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C04B 22/14 (2006.01) B09B 3/00 (2006.01)

Patent

CA 2107007

ABSTRACT OF THE DISCLOSURE TOXIC WASTE FIXANT AND METHOD FOR MAKING AND USING SAME A toxic waste fixant for detoxification of a contaminated soil, sediment, and orsludge material includes a mixture of: ferric sulfate, manganese sulfate, and oraluminum sulfate and or Portland cement, and or gypsum ( calcium sulfate ), and or blast furnace slag, and or lime ( calcium oxide ). Fixants made from mixtures of the above compounds are designed to prevent leaching in excess of regulatory standards for specified inorganic and organic toxic compounds and elements. These fixants will also reduce the concentration of most organic toxic compounds through various chemical reactions and bonding as determined by solvent extractions and analysis by GC/MS.

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