Smelting of carbon-containing material

A - Human Necessities – 62 – D

Patent

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A62D 3/32 (2007.01) A62D 3/38 (2007.01) B09B 3/00 (2006.01) F23G 5/08 (2006.01) F23G 7/00 (2006.01) G21F 9/14 (2006.01) A62D 3/00 (2006.01)

Patent

CA 2159806

A process for treating carbon-containing material contaminated with toxic elements utilises smelting of the material in a top-submerged lancing reactor. The material has its carbon content present as elemental or free carbon. Smelting is conducted so as to form, or in the presence of, a fluid slag. In the course of smelting, free-oxygen-containing gas is injected into the slag by top-submerged injection, to combust the carbon content of the material. Volatilizable toxic elements are discharged in reactor off-gas, while noa-volatilizable elements are substantially fully incorporated into the slag.

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