Study of the VOC emissions from a municipal solid waste storage pilot-scale cell: Comparison with biogases from municipal waste landfill site

Chiriac, Rodica; Morais, Janne de; Carré, J.; Bayard, Rémy; Chovelon, Jean‐Marc; Gourdon, Rémy

doi:10.1016/j.wasman.2011.06.009

Cited by 62 publications

(28 citation statements)

References 15 publications

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“…These results indicated that OVOCs were mainly released at the early stage of orange waste decomposition, which was consistent with previous studies. Knox (1990) observed that the levels of alcohols were greatest in fresh refuse, and other studies also found that OVOCs (alcohols, carbonyl compounds, esters and ethers) were principally emitted at the early stage of waste decomposition (Smet et al, 1999;Muezzinoglu, 2003;Chiriac et al, 2011;Kumar et al, 2011;Delgado-Rodríguez et al, 2012) and bio-drying (He et al, 2010). Considering that organic waste is an important component of MSWs, and that municipal wastes may stay in dustbins or transfer into stations up to a week before reaching landfills or incinerators, and their decomposition largely takes place under aerobic conditions during the collection and distribution processes and the early times in landfills (Statheropoulos et al, 2005;Zhang et al, 2012), the results in the present study suggested that considerable amounts of OVOCs are emitted during early disposal of organic wastes and thus contribute to malodor from these waste treatment facilities.…”

Section: Productionmentioning

confidence: 99%

Emission of oxygenated volatile organic compounds (OVOCs) during the aerobic decomposition of orange wastes

Wang

2015

Journal of Environmental Sciences

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Section: Productionmentioning

confidence: 99%

Emission of oxygenated volatile organic compounds (OVOCs) during the aerobic decomposition of orange wastes

Wang

2015

Journal of Environmental Sciences

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“…According to Chiriac et al [14] benzene and toluene gas are the most abundant of the BTEX group found in landfill gas.…”

Section: Release Of Vocs From Landfillsmentioning

confidence: 99%

“…Higher temperatures can create conditions that sustain a high level of biological activity in the later stages of decomposition thus generating higher concentration of landfill gas. Cooler temperature in winter can also induce freezing (night) and thawing (day) processes which can disturb the surface upper layer allowing certain gases to escape (Chiriac et al [14]). In addition, seasonal changes in rainfall can significantly influence concentrations of VOCs.…”

Section: Release Of Vocs From Landfillsmentioning

confidence: 99%

“…Landfills with no active gas collection systems are associated with higher emission rates of VOCs compared to landfills with an active gas collection system (Di Bella et al [31]). Over time VOCs become less prevalent and methane and carbon dioxide are more prevalent (Chiriac et al [14]). Thus VOCs only account for a small portion of landfill gas that is being produced.…”

Section: Benzene and Toluene Emission Ratesmentioning

confidence: 99%

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Occupational health risk assessment of benzene and toluene at a landfill site in Johannesburg, South Africa

Moolla

Valsamakis

Curtis

et al. 2013

Safety and Security Engineering V

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In developing countries land-filling is the most common form of waste management that is practiced. Landfills are known to be anthropogenic sources of air pollutants that have a negative impact on both environmental and human health. People who work on landfill sites are particularly at risk of adverse health effects associated with the inhalation of hazardous air pollutants (HAPs), such as volatile organic compounds (VOCs). Although VOCs only make up between 0.5% and 1% of total landfill gas, they are important due to the high level of toxicity associated with them. Regular air quality monitoring and hazard risk assessments provide important information that can be used in an effort to protect the health and safety of people working in a landfill environment. This is especially important within a developing context as relevant information is limited. In this study an occupational health risk assessment of benzene and toluene was conducted at a landfill in Johannesburg, South Africa. Applying an approach of modelling (using LandGEM) results indicated a significant increase in emission rates over a 90 year period. In addition, ambient air concentrations of BTEX, 100 meters from the landfill, were found to be unacceptable by US EPA air quality recommended standards. Additionally, cancer risk and hazard index calculations of benzene and toluene, of employees on-site, indicated that occupational exposures were above US EPA recommended standards. Thus, it was shown that employees were significantly at risk to adverse health effects associated with inhalation exposure to these HAPs.

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“…Benzene, toluene, styrene, 1,2,4 trimethyl benzene and m,p-xylene have shown moderate contribution (55.8-68.8%) from indoor sources compared to outdoor source; this might be due to infiltration of their major outdoor source emissions viz. automobile exhaust and municipal waste burning (Pagans et al, 2006;Srivastava et al, 2006;Chiriac et al, 2011;Hsieh et al, 2011) Cyclohexane, n-octane, ethylbenzene, oxylene and n-undecane have shown major contribution (60.8-85.1%) from indoor sources compared to outdoor sources. In case of residential-indoors, n-hexane has shown major contribution from indoor sources; this might be due to: 1) LPG use for cooking purposes and 2) solvent use for cleaning purposes in homes (Srivastava et al, 2000;Huang et al, 2011).…”

Section: Indoor/outdoor Relationshipmentioning

confidence: 99%

Indoor VOCs from Religious and Ritual Burning Practices in India

Pervez

Dewangan

Chakrabarty

et al. 2014

Aerosol Air Qual. Res.

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Measurements of selected volatile organic compounds (VOCs), known as markers of emissions resulting from burning practices using natural-and synthetic biomaterials, have been carried out in major religious/ritual-indoors in India. Four different religious/ritual-indoors were selected for monitoring purposes: 1) Hindu Marriage Places (MP), 2) Muslim Holy Shrines (MG), 3) Buddhist Temples (BT), and 4) Hindu Temples (HT). One pure residential-indoor (RESID) site was also examined for comparison studies. Indoor VOCs sampling was carried out throughout the three seasons of summer, fall and winter of the calendar year of 2012-2013 in Raipur, India. VOCs samples, collected by passive sampling over a 48-h period, were analyzed using thermal desorption (TD), followed by high-resolution gas chromatographic separation and mass spectrometric detection (GC/MS). A total of 14 volatile organic compounds (n-hexane, cyclohexane, n-heptane, noctane, n-nonane, n-decane, n-undecane, styrene, o-xylene, m,p-xylene, 1,2,4-trimethyl benzene, ethylbenzene, benzene, and toluene.) were quantified. The annual mean concentrations for total VOCs (TVOCs) were 216. 61 ± 75.15, 656.34 ± 220.82, 681.75 ± 219.83, 129.51 ± 45.24 and 82.67 ± 40.96 µg/m 3 for MP, MG, BT, HT and RESID respectively. The results were found to be higher than the prescribed standards and earlier reported indoor VOCs levels. Indoor/outdoor ratios (I/O), correlation analyses, seasonal variations and indoor/outdoor contributions to the measured levels are also investigated.

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Study of the VOC emissions from a municipal solid waste storage pilot-scale cell: Comparison with biogases from municipal waste landfill site

Cited by 62 publications

References 15 publications

Emission of oxygenated volatile organic compounds (OVOCs) during the aerobic decomposition of orange wastes

Emission of oxygenated volatile organic compounds (OVOCs) during the aerobic decomposition of orange wastes

Occupational health risk assessment of benzene and toluene at a landfill site in Johannesburg, South Africa

Indoor VOCs from Religious and Ritual Burning Practices in India

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