Measuring seasonal variations of moisture in a landfill with the partitioning gas tracer test

Seven pilot-scale partitioning gas tracer tests (PGTTs) were conducted to assess the accuracy and reproducibility of this method for measuring water in municipal solid waste landfills. Tests were conducted in the same location over a 12-month period, and measured moisture conditions ranged from poss...

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Bibliographic Details
Published in:Waste management (Elmsford) 2006-01, Vol.26 (4), p.344-355
Main Authors: Han, Byunghyun, Jafarpour, Behnam, Gallagher, Victoria N., Imhoff, Paul T., Chiu, Pei C., Fluman, Daniel A.
Format: Article
Language:English
Subjects:
ACCURACY
Adsorption
Applied sciences
ENVIRONMENTAL SCIENCES
Exact sciences and technology
Gases - analysis
General treatment and storage processes
MOISTURE
Other wastes and particular components of wastes
Pollution
Porosity
Refuse Disposal
Reproducibility of Results
SANITARY LANDFILLS
SEASONAL VARIATIONS
Seasons
SOLID WASTES
Urban and domestic wastes
Wastes
Water - analysis
Water - chemistry
WATER SATURATION
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Summary:Seven pilot-scale partitioning gas tracer tests (PGTTs) were conducted to assess the accuracy and reproducibility of this method for measuring water in municipal solid waste landfills. Tests were conducted in the same location over a 12-month period, and measured moisture conditions ranged from possible dry waste to refuse with a moisture content of 24.7%. The final moisture content of 24.7% was in reasonable agreement with gravimetric measurements of excavated refuse, where the moisture content was 26.5 ± 6.0CI%. Laboratory tests were used to assess the utility of the PGTT for measuring water in small pores, water sorbed to solid surfaces, and the influence of dry waste on PGTTs. These experiments indicated that when refuse surfaces are not completely solvated with water, PGTTs may produce misleading results (negative estimates) of water saturation and moisture content.
ISSN:0956-053X
1879-2456
DOI:10.1016/j.wasman.2005.11.004