Incineration residue treatment process

Details Incineration residue treatment process Incineration residue treatment process

1994-02-10

1995-11-14

Theisen, Mary Lynn

Plastic and nonmetallic article shaping or treating: processes

Forming articles by uniting randomly associated particles

With liberating or forming of particles

264117, 264333, B29B 908, B29C 4302, B29C 6702

Patent

active

054664071

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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patent: 4753551 (1988-06-01), Brueggemann et al.
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