Hazardous or toxic waste destruction or containment – Containment – Treating a solid to prevent gas emissions
Reexamination Certificate
2005-05-25
2010-10-12
Johnson, Edward M (Department: 1793)
Hazardous or toxic waste destruction or containment
Containment
Treating a solid to prevent gas emissions
C588S259000, C588S900000
Reexamination Certificate
active
07812210
ABSTRACT:
The invention relates to a refuse treatment plant (1) with a closed construction, which permits the aerobic degradation of organic material, for example in refuse comprising biodegradable fractions. The refuse treatment plant (1) comprises a bay (5) with an aeration and deaeration installation. At least one refuse treatment chamber (16), which is connected to the bay (5) via an opening (7) in the bay wall, is located on at least one external face of the bay wall (6). The refuse treatment chamber (16) is configured by a cover tarpaulin (30), which is provided with a raising and lowering device (20), is water-and particle-tight but permeable to air and water vapour. The cover tarpaulin (30) comprises an edge (32), which is attached to the bay wall (6) and to the ground (50) in a rigid and airtight manner by means of a fixing device (50). The raising and lowering device (20) can be configured with the aid of a pneumatic support structure (22) consisting of inflatable tubes (23). The cover tarpaulin (30) is raised for the respective charging and discharging process of the refuse treatment chamber (16), so that refuse can be transported into or out of the bay (5) through the opening (7) in the bay wall. The raising and lowering device (20) is lowered for the duration of the aerobic treatment process, in such a way that the cover tarpaulin (30) lies directly on the refuse to be treated.
REFERENCES:
patent: 3895916 (1975-07-01), Rosner
patent: 3953566 (1976-04-01), Gore
patent: 4187390 (1980-02-01), Gore
patent: 42 31 414 (1994-03-01), None
patent: WO01/21394 (2001-03-01), None
patent: WO/2004/048719 (2004-06-01), None
Bauer Ambros
Deyerling Lothar
Johnson Edward M
Sciamanna Bridget C.
W. L. Gore & Associates GmbH
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