PMID: 20102038Jan 28, 2010Paper

Evaluation of landfill gas decay constant for municipal solid waste landfills operated as bioreactors

Journal of the Air & Waste Management Association
Thabet M TolaymatJon Powell

Abstract

Prediction of the rate of gas production from bioreactor landfills is important for the optimization of energy recovery and for estimating greenhouse gas emissions. To improve the predictability of gas production, landfill gas (LFG) composition and flow rates were monitored for 4 yr from one conventional and two bioreactor landfill cells at the Outer Loop Landfill in Louisville, KY. The ultimate methane yield (L(o)) was estimated from the biochemical methane (CH4) potential of freshly buried refuse and the decay rate constant (k) was estimated from measured CH4 collection. The site-specific L(o) was estimated to be 48.4 m3-CH4 wet Mg(-1). The estimated decay rate in the conventional cell (0.06 yr(-1)) was comparable to the AP-42 default value of 0.04 yr(-1), whereas estimates for the two bioreactor cells were substantially higher (approximately 0.11 yr(-1)). The data document the ability of the bioreactor operation to enhance landfill CH4 generation, although the estimated decay rate is sensitive to the selected L(o). The more rapid decomposition in the bioreactor cells reduces the length of time over which gas will be produced and emphasizes the importance of having a LFG collection system operational once the waste receives a...Continue Reading

Citations

Jan 14, 2010·Journal of the Air & Waste Management Association·Morton A BarlazRoger B Green
Jun 28, 2011·Waste Management·Hamid R Amini, Debra R Reinhart
Jan 22, 2015·Environmental Science & Technology·Xiaoming WangMorton A Barlaz
Nov 5, 2015·Waste Management·Raffaello CossuGiulia Cerminara
Oct 19, 2016·Journal of the Air & Waste Management Association·Max J KrauseTimothy G Townsend
Mar 9, 2013·Environmental Science & Technology·Xiaoming WangMorton A Barlaz
Jun 26, 2013·Waste Management & Research : the Journal of the International Solid Wastes and Public Cleansing Association, ISWA·Kai SormunenJukka Rintala
May 17, 2012·Waste Management & Research : the Journal of the International Solid Wastes and Public Cleansing Association, ISWA·Dung KongStephen R Maguin
Apr 22, 2017·Environmental Science and Pollution Research International·Nathan BruceAmy Richter
Apr 19, 2018·Environmental Monitoring and Assessment·Nathan BruceHoang Lan Vu
Apr 1, 2019·International Journal of Environmental Science and Technology : IJEST·X-L Huang, T Tolaymat
Nov 18, 2018·Folia Microbiologica·Lisa-Maria MauerhoferSimon K-M R Rittmann
Feb 9, 2018·Waste Management & Research : the Journal of the International Solid Wastes and Public Cleansing Association, ISWA·Jin-Kyu ParkNam-Hoon Lee
Feb 15, 2021·Waste Management·Sajjad Karimi, Christopher A Bareither
May 26, 2010·Environmental Science & Technology·Florentino B De la Cruz, Morton A Barlaz
Oct 2, 2021·Environmental Science & Technology·Yixuan WangMorton A Barlaz

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