Incineration residue treatment process
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United States of America Patent
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Nov 14, 1995
Issued Date -
N/A
app pub date -
Feb 10, 1994
filing date -
Jun 24, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Residue produced by incineration of commercial, industrial or municipal waste is treated to remove oversize material and ferrous materials. The moisture content of the untreated residue is adjusted, and the residue is mixed with Portland cement to partially aggregate the residue into a free-flowing, granular material containing no more than about five percent by weight fines and having a hydraulic conductivity of at least about 0.001 cm/sec after curing for 24 hours. The treated residue can be used to form a gas-venting layer for a landfill, and retains its good hydraulic conductivity as it cures into a cohesive mass, such that leaching of hazardous materials is reduced.
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