Process for processing waste incineration residues
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United States of America Patent
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May 9, 2000
Grant Date -
N/A
app pub date -
Sep 17, 1997
filing date -
Jan 24, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for processing solid waste incineration residues is disclosed in which the residues are introduced a steelworks slag bath in a sufficient amount so that the residues constitute from 15-45% by weight of the combined weight of the solid waste incineration residues and the steelworks slag bath. The residues are melted to effect the evaporation of heavy metals; which are drawn off from the steelworks slag bath to leave a heavy-metal-depleted slag bath. The residual bath is reduced with carbon carriers to form a slag phase and a pig iron phase. The slag phase can be granulated to produce mixed cement components.
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