Analysis of Malodorous Sulfur Gases and Volatile Organometalloid Compounds in Landfill Gas Emissions Using Capillary Gas Chromatography with Programmed Temperature Vaporization Injection and Atomic Emission Detection

Junyapoon, Suwannee; Bartle, Keith D.; Ross, Andrew B.; Cooke, Michael

doi:10.1080/03067310290024094

Cited by 13 publications

(6 citation statements)

References 19 publications

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“…the main line carrying gas to the engines or site flare, gas field manifolds, individual gas wells) [2,3,9,11,12,14,15,17,18,21,22]. Some of them [5,8,16] were performed in the ambient air of the site or in the vicinity of the site, without however being positioned to evaluate the level of emission as a function of the activity of the vehicles (unloading, spreading and compaction of waste) and meteorological parameters.…”

Section: Introductionmentioning

confidence: 99%

Characterisation of VOCs emitted by open cells receiving municipal solid waste

Chiriac

Carré

Perrodin

et al. 2007

Journal of Hazardous Materials

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Section: Introductionmentioning

confidence: 99%

Characterisation of VOCs emitted by open cells receiving municipal solid waste

Chiriac

Carré

Perrodin

et al. 2007

Journal of Hazardous Materials

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“…Mercury is an undesirable contaminant in landfill gas burned as fuel. Domestic landfill gas can also include volatile organometaloids containing arsenic and antimony (Junyapoon et al, 2002).…”

mentioning

confidence: 99%

Volatile Organic Compounds in the Unsaturated Zone from Radioactive Wastes

et al. 2012

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Volatile organic compounds (VOCs) are often comingled with low-level radioactive wastes (LLRW), but little is known about subsurface VOC emanations from LLRW landfills. The current study systematically quantified VOCs associated with LLRW over an 11-yr period at the USGS Amargosa Desert Research Site (ADRS) in southwestern Nevada. Unsaturated-zone gas samples of VOCs were collected by adsorption on resin cartridges and analyzed by thermal desorption and GC/MS. Sixty of 87 VOC method analytes were detected in the 110-m-thick unsaturated zone surrounding a LLRW disposal facility. Chlorofluorocarbons (CFCs) were detected in 100% of samples collected. Chlorofluorocarbons are powerful greenhouse gases, deplete stratospheric ozone, and are likely released from LLRW facilities worldwide. Soil-gas samples collected from a depth of 24 m and a horizontal distance 100 m south of the nearest waste-disposal trench contained >60,000 ppbv total VOCs, including >37,000 ppbv CFCs. Extensive sampling in the shallow unsaturated zone (0-2 m deep) identified areas where total VOC concentrations exceeded 5000 ppbv at the 1.5-m depth. Volatile organic compound concentrations exceeded background levels up to 300 m from the facility. Maximum vertical diffusive fluxes of total VOCs were estimated to be 1 g m yr. Volatile organic compound distributions were similar but not identical to those previously determined for tritium and elemental mercury. To our knowledge, this study is the first to characterize the unsaturated zone distribution of VOCs emanating from a LLRW landfill. Our results may help explain anomalous transport of radionuclides at the ADRS and elsewhere.

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“…Apart from the common sulfur compounds like H2S, methyl mercaptan, dimethyl sulfide (DMS), CS2, and dimethyl disulfide (DMDS) reported by other researches, this study also detected other VSCs with very limited reports such as cabonyl sulfide by [2,24]; ethyl mercaptan, 2-methyl-2-propanthiol, 2-butanethiol by [2]; 2butanethiol by [2,27]; 1-butanethiol by [24,42]; DES by [4]; DMTS by [8,30]. Ethyl methyl disulfide could be firstly detected from landfill as it was not on the listed sulfur compounds detected in previous studies.…”

Section: Identified Odorantsmentioning

confidence: 51%

“…[20] also used liquidtrapping for sampling of VFAs. Several sorbent tubes had been used: activated carbon or synthetic carbon+silic gel [17,[21][22], Tenax or Tenax GR [9,17,23], Porapak Q [17,24], Carbotrap 3000 [11], and multi-bed sorbent [5,[13][14][25][26][27].…”

Section: Introductionmentioning

confidence: 99%

Odorants and Their Contributions to Overall Odour Emission from a Landfill Leachate

Wang¹,

Sivret²,

Le³

et al. 2019

Preprint

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As one of the important odour sources, landfill sites have drawn more and more public attentions. Odour emissions from landfill sites depend on the waste buried, operation activities, running conditions, etc. A study for finding out all possible odorous compounds from a landfill was conducted by analysing of on-site gas phase samples and emission samples from a landfill leachate in Sydney, Australia using thermal desorber – gas chromatography – mass spectrometer (TD-GC-MS) and air server – thermal desorber – gas chromatography – sulfur chemiluminoscence detector (AS-TD-GC-SCD). 49 odorants were identified from emission gas samples collected from landfill leachate collection pipe and only 8 odorants were detected from flux hood emission samples of the collected leachate sample. This indicates that more sampling and measurement techniques are always better to acquire all possible pollutants from an unknown odour source. The contributions of these odorants to overall odour emissions were also calculated based on their concentrations and odour thresholds. The top 10 odorants from leachate transportation pipe include methyl mercaptan, ethyl mercaptan, m-xylene, H2S, CS2, 1,2,3,4-tetra-methylbenzene, p-xylene, 1,2,4-trimethylbenzene, ethylbenzene and α-pinene. They contributed more than 95% to the odour in the gas accumulated in the leachate collection pipe.

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Analysis of Malodorous Sulfur Gases and Volatile Organometalloid Compounds in Landfill Gas Emissions Using Capillary Gas Chromatography with Programmed Temperature Vaporization Injection and Atomic Emission Detection

Cited by 13 publications

References 19 publications

Characterisation of VOCs emitted by open cells receiving municipal solid waste

Characterisation of VOCs emitted by open cells receiving municipal solid waste

Volatile Organic Compounds in the Unsaturated Zone from Radioactive Wastes

Odorants and Their Contributions to Overall Odour Emission from a Landfill Leachate

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