Process and apparatus for fixing, encapsulating, stabilizing...

Details Process and apparatus for fixing, encapsulating, stabilizing... Process and apparatus for fixing, encapsulating, stabilizing...

C - Chemistry, Metallurgy

10

B

202/2

C10B 53/00 (2006.01) B09C 1/06 (2006.01)

Patent

CA 1284470

ABSTRACT Heavy metals and compounds thereof and other toxic materials in industrial wastes, sludges, soils, incinerated ashes and the like are fixed and stabalized in a char residue, obtained by critical region pyrolyzing techniques and appro- priate proportions of cabonaceous materials intimately mixed with the sludge, to encapsulate the heavy metals with carbon bonded thereto which effectively detoxifies the residue and renders it immune to any substantial leaching out or later exposure to the toxic metals, such that the same is environ- mentally safe for such uses as landfill and the like.

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