Numerical Examination of a Method for Reducing the Temperature of Municipal Solid Waste Landfill Liners
Publication: Journal of Environmental Engineering
Volume 136, Issue 8
Abstract
A method to control the increase in landfill liner temperature due to the heat generated by the waste is examined. The design involves installation of an array of cooling pipes beneath the waste. The feasibility of this system for cooling the liner was examined by performing a series of analyses for conditions based on the Tokyo Port Landfill. The results suggest that the introduction of a cooling system can substantially reduce liner temperature and consequently significantly increase the service life of a high-density polyethylene (HDPE) geomembrane liner in an engineered barrier system. The effects of pipe layout, pipe spacing, and coolant flow rate are examined. It is shown that a periodic pipe layout is the most efficient. Liner temperature decreases with increased coolant transfer flow rate
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Acknowledgments
The research presented in this paper was aided through access to the High Performance Computing Virtual Laboratory (HPCVL) facilities. It was funded by the Natural Science and Engineering Research Council of Canada (NSERC), Ontario Graduate Scholarship in Science and Technology (OGSST), Canada Foundation for Innovation (CFI), the Ontario Innovation Trust, the Centre for Research in Earth and Environmental Technologies (an Ontario Center of Excellence), the Ontario Ministry of Environment and Terrafix Geosynthetics Inc. The writers are grateful to their industrial partners, Solmax International, Terrafix Geosynthetics Inc., Ontario Ministry of Environment, AECOM, AMEC Earth and Environmental, Golder Associates Ltd., and CTT Group, however the views expressed herein are those of the writers and not necessarily those of our partners.NSERC
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Information & Authors
Information
Published In
Journal of Environmental Engineering
Volume 136 • Issue 8 • August 2010
Pages: 794 - 803
Copyright
© 2010 ASCE.
History
Received: Jan 19, 2009
Accepted: Dec 15, 2009
Published online: Dec 18, 2009
Published in print: Aug 2010
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