Composition and emission of VOC from biogas produced by illegally managed waste landfills in Giugliano (Campania, Italy) and potential impact on the local population

Carriero, Giulia; Neri, Luisa; Famulari, D.; Lonardo, Sara Di; Piscitelli, Daniela; Manco, Antonio; Esposito, Andrea; Chirico, Adriano; Facini, Osvaldo; Finardi, S.; Tinarelli, G.; Prandi, Rossella; Zaldei, Alessandro; Vagnoli, Carolina; Toscano, Piero; Magliulo, Vincenzo; Ciccioli, P.; Baraldi, Rita

doi:10.1016/j.scitotenv.2018.05.318

Cited by 43 publications

(13 citation statements)

References 50 publications

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“…The incremental reactivity method (MIR), based on the maximum incremental reactivity of VOCs, was widely applied to estimate the ozone formation potential (OFP) of air VOCs. [11][12][13] The calculating method for OFP is as follows:…”

Section: Methodsmentioning

confidence: 99%

Role of Garbage Classification in Air Pollution Improvement of a Municipal Solid Waste Disposal Base

Gao

et al. 2022

Preprint

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Assessing the impact of garbage classification on air pollution in rapidly developing economic regions is particularly necessary in light of the current policy trends. We evaluated the resulting changes in air pollution levels before and after garbage classification based on a three-year field observation using high-resolution online instruments in a municipal solid waste comprehensive disposal base. A new method is proposed to quantify the impact of major sources in a complex multi-source environment. We found that the concentrations of hydrogen sulfide (H2S) and volatile organic compounds (VOCs) in ambient air decreased by 48% and 43% respectively after garbage classification, and their spike frequency was controlled at approximately 0.01. The average H2S and VOC concentrations were generally low during the daytime, but relatively high during the nighttime because of meteorology and photochemistry. The ozone formation potential of the base decreased by 56%. Alternatively, emissions from transportation and combustion sources increased, while landfill pollution decreased owing to changes in the method of waste disposal. This finding suggests that garbage classification is an effective means of improving the air quality. This new quantification method has a good potential in actual research scenarios.

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Section: Methodsmentioning

confidence: 99%

Role of Garbage Classification in Air Pollution Improvement of a Municipal Solid Waste Disposal Base

Gao

et al. 2022

Preprint

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“…Toluene is the most abundant compound in aromatic hydrocarbons, as reported by previous studies [8], but xylene was the most abundant species (mean ratio of 9.85 ppbv), followed by ethylbenzene and benzene, accounting for 86.8% of the total aromatic hydrocarbons in QD. Xylene is mainly used in ink, rubber, adhesive and painting processes, while toluene is a typical industrial solvent [28,29]. Therefore, industry activities influence the VOCs in QD.…”

Section: General Characteristics Of Vocsmentioning

confidence: 99%

Characteristics, Ozone Formation Potential and Sources of VOCs in Shandong Province, Eastern China

Cao¹,

Tan

Shi³

et al. 2023

Atmosphere

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Between 9 July and 19 August 2016, the air concentrations of 57 volatile organic compounds (VOCs) were measured in Shandong Province, eastern China. Seven sampling sites representing urban, coastal and background sites were selected for sampling. The measured data were employed to investigate the VOCs’ characteristics, ozone formation potential, and main sources. During the sampling period, the concentrations of the VOCs ranged between 15.3 and 883 ppbv, with a mean of 139 ppbv. The most severely polluted city was Zibo (833 ppbv), followed by Jinan (33.5 ppbv) and Qingdao (32.8 ppbv). Propane was the most abundant species in all of the sampling sites, with a concentration range of 1.05–9.86 ppbv. Ethene, i-butane, 1-butene, cis-2-butene, n-butane, i-pentane, n-pentane, benzene and toluene were the predominant species in both the urban and coastal sites. Propylene equivalent concentrations (Pro-Equiv) and maximum incremental reactivity (MIR) were employed to assess the reactivity and contribution of each species to the photochemical ozone formation. The results showed that alkenes and aromatics were the most active species performing a key function in the ozone formation, accounting for 43.9–90.7% of the Pro-Equiv and 41.0–93% of the ozone formation potential (OFP). The ratios of ethylbenzene and m/p-xylene were calculated, and the results showed that local emissions were the main sources. Gasoline exhaust/fuel evaporation, industry process/solvent usage, diesel exhaust/petrochemical emission and coal burning were the dominant sources of VOCs in Shandong Province.

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“…Focusing on the aim of this study, to collect information about the nature of odorous emissions from landfills, a complete literature review was conducted, and two main categories of studies were evaluated. The first category includes articles reporting the chemical analysis of odorous emissions, in particular the identification and quantification of volatile organic compounds (VOCs) from landfills, discussing the different atmospheric emission sources [27,[29][30][31][32][33][34][35][36][37][38][39][40][41][42][43][44][45][46]. The second category of papers considered includes studies focusing on health risk assessment of odor emissions from landfills [47][48][49].…”

Section: Analyzed Literaturementioning

confidence: 99%

Evaluation of Occupational Exposure Risk for Employees Working in Dynamic Olfactometry: Focus On Non-Carcinogenic Effects Correlated with Exposure to Landfill Emissions

et al. 2021

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This work aims to evaluate the non-carcinogenic health effects related to landfill odor emissions, therefore focusing on workers involved in dynamic olfactometry. Currently, the most common technique to quantify odor emissions is dynamic olfactometry, a sensorial analysis involving human assessors. During the analysis, assessors are directly exposed, at increasing concentrations, to odor samples, and thus to the hazardous pollutants contained therein. This entails the need to estimate the associated exposure risk to guarantee examiners’ safety. Therefore, this paper evaluates the exposure risk for olfactometric examiners to establish the minimum dilution level to be adopted during the analysis of landfills’ odorous samples to guarantee panelists’ safety. For this purpose, an extensive literature review regarding the pollutants emitted by landfill odor sources was conducted, comparing compounds’ chemical concentrations and threshold limit values (TLVs) to calculate the Hazard Index (HI) and thus establish a minimum dilution value. The data collected indicate that a non-negligible non-carcinogenic risk exists for all landfill emissions considered. However, from the data considered, the minimum dilution factor to be adopted is lower than the typical odor concentration observed for these sources. Therefore, the olfactometric analysis of landfill samples can be generally conducted in safe conditions.

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Composition and emission of VOC from biogas produced by illegally managed waste landfills in Giugliano (Campania, Italy) and potential impact on the local population

Cited by 43 publications

References 50 publications

Role of Garbage Classification in Air Pollution Improvement of a Municipal Solid Waste Disposal Base

Role of Garbage Classification in Air Pollution Improvement of a Municipal Solid Waste Disposal Base

Characteristics, Ozone Formation Potential and Sources of VOCs in Shandong Province, Eastern China

Evaluation of Occupational Exposure Risk for Employees Working in Dynamic Olfactometry: Focus On Non-Carcinogenic Effects Correlated with Exposure to Landfill Emissions

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