Practical Guidance for Flux Chamber Measurements of Fugitive Volatile Organic Emission Rates

Eklund, Bart

doi:10.1080/10473289.1992.10467102

Cited by 106 publications

(60 citation statements)

References 6 publications

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“…Puresep-T septa The flux chamber was carefully positioned to maintain the natural processes that govern gas emission. The chamber was inserted 2.5 cm into the landfill cover soil to prevent environmental effects [18]. The insertion process was performed in regions of predominantly smooth cover soil.…”

Section: B Measurement Strategy and Techniquesmentioning

confidence: 99%

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Seasonal Variation of Landfill Methane and Carbon Dioxide Emissions in a Tropical Climate

Abushammala¹,

Basri²,

Younes³

2016

IJESD

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Abstract-Landfill gas (LFG) emissions were measured in a landfill in tropical conditions in Malaysia to investigate seasonal variations in methane (CH 4 ) and carbon dioxide (CO 2 ) emissions. The study results showed that CH 4 and CO 2 emissions were ranged from 0 to 1,602 g m -2 d -1 and 5 to 2,753 g m -2 d -1 during wet and dry seasons, respectively, and higher CH 4 and CO 2 emissions were found during the wet season than in the dry season. It is concluded that special consideration must be given to landfill cover soil in order to enhance CH 4 oxidation and, thereby, reduce CH 4 emissions.

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Section: B Measurement Strategy and Techniquesmentioning

confidence: 99%

“…Each gas sample was analyzed a minimum of two times, and the average was calculated to estimate the CH 4 and CO 2 emissions [18]. The CH 4 and CO 2 emissions, F (g m −2 d −1 ), was calculated according to Abichou et al [19]:…”

Section: International Journal Of Environmental Science and Developmementioning

confidence: 99%

Seasonal Variation of Landfill Methane and Carbon Dioxide Emissions in a Tropical Climate

Abushammala¹,

Basri²,

Younes³

2016

IJESD

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“…36,37 Furthermore, Gholson et al 35 demonstrated that steady-state conditions in the chamber may be established after three to four volumetric exchanges of air in the chamber. In this study, a constant flow rate of 0.005 m 3 min Ϫ1 was maintained that achieved three volumetric air exchanges when the sweep airflow continued for the full sampling period (30 min).…”

Section: Potential Problem Encountered With the Use Ofmentioning

confidence: 99%

Determining Seasonal Greenhouse Gas Emissions from Ground-Level Area Sources in a Dairy Operation in Central Texas

Borhan

Capareda

Mukhtar

et al. 2011

Journal of the Air & Waste Management Association

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Greenhouse gas (GHG) emissions from agricultural production operations are recognized as an important air quality issue. A new technique following the U.S. Environmental Protection Agency Method TO-14A was used to measure GHG emissions from ground-level area sources (GLAS) in a free-stall dairy operation in central Texas. The objective of this study was to quantify and report GHG emission rates (ERs) from the dairy during the summer and winter using this protocol. A weeklong sampling was performed during each season. A total of 75 and 66 chromatograms of air samples were acquired from six delineated GLAS (loafing pen, walkway, barn, silage pile, settling basin, and lagoon) of the same dairy during summer and winter, respectively. Three primary GHGsmethane (CH 4 ), carbon dioxide (CO 2 ), and nitrous oxide (N 2 O)-were identified from the dairy operation during the sampling periods. The estimated overall ERs for CH 4 , CO 2 , and N 2 O during the summer for this dairy were 274, 6005, and 7.96 g head Ϫ1 day Ϫ1 , respectively. During the winter, the estimated overall CH 4 , CO 2 , and N 2 O ERs were 52, 7471, and 3.59 g head Ϫ1 day Ϫ1 , respectively. The overall CH 4 and N 2 O ERs during the summer were approximately 5.3 and 2.2 times higher than those in the winter for the free-stall dairy. These seasonal variations were likely due to fluctuations in ambient temperature, dairy manure loading rates, and manure microbial activity of GLAS. The annualized ERs for CH 4 , CO 2 , and N 2 O for this dairy were estimated to be 181, 6612, and 6.13 g head Ϫ1 day Ϫ1 , respectively. Total GHG emissions calculated for this dairy with 500 cows were 2250 t of carbon dioxide equivalent (CO 2 e) per year.

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“…Each gas sample was analyzed at least twice and the average was determined (Eklund 1992). The level of emissions, F (g m -2 d -1 ), was calculated as given in Eq.…”

Section: Gas Concentration Analysis and Emission Calculationmentioning

confidence: 99%

Evaluation of methane generation rate and potential from selected landfills in Malaysia

Abushammala

Basri

Kadhum

et al. 2013

Int. J. Environ. Sci. Technol.

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Methane emissions and oxidation were measured during the wet and dry seasons at the Air Hitam, Jeram, and Sungai Sedu landfills in Malaysia. The resulting levels of methane emissions and oxidation were then modeled using the Inter-governmental Panel on Climate Change 1996 first order decay (FOD) model to obtain methane generation rate and potential values. Emissions measurements were performed using a fabricated static flux chamber. A combination of gas concentrations in soil profiles and surface methane and carbon dioxide emissions at four monitoring locations in each landfill was used to estimate the methane oxidation capacity.

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Practical Guidance for Flux Chamber Measurements of Fugitive Volatile Organic Emission Rates

Cited by 106 publications

References 6 publications

Seasonal Variation of Landfill Methane and Carbon Dioxide Emissions in a Tropical Climate

Seasonal Variation of Landfill Methane and Carbon Dioxide Emissions in a Tropical Climate

Determining Seasonal Greenhouse Gas Emissions from Ground-Level Area Sources in a Dairy Operation in Central Texas

Evaluation of methane generation rate and potential from selected landfills in Malaysia

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