Airborne volatile organic compounds in urban and industrial locations in four developing countries

Hoai, Duc Do; Walgraeve, Christophe; Amare, Abebech Nuguse; Barai, Krishna Rani; Parao, Amelia Estigoy; Demeestere, Kristof; Langenhove, Herman Van

doi:10.1016/j.atmosenv.2015.08.065

Cited by 23 publications

(8 citation statements)

References 30 publications

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“…TVOC concentrations (between 91 ± 48 and 242 ± 121 μg m −3 ) are in line with typical values found in urban areas (Bari et al, 2015;Cometto-Muñiz and Abraham, 2015;Gallego et al, 2013;Geiss et al, 2011), dominated by aromatic hydrocarbons (16-27% of the TVOC), and much lower than the found in highly polluted/industrialized areas such as Bangladesh (TVOC between 324-970 μg m −3 , Do et al, 2015) Yeosu, South Korea (BTX between 1.1-406 μg m −3 , Seo et al, 2014) and Salamanca, Mexico (BTX between 94-121 μg m −3 , Vega et al, 2011). The value VLA/420 is commonly used to establish maximum concentration limits in urban outdoor air in 24-h periods for non-carcinogenic compounds (Gallego et al, 2011).…”

Section: Real Formaldehyde and Voc Ambient Air Concentrations In Wastsupporting

confidence: 60%

Impact of formaldehyde and VOCs from waste treatment plants upon the ambient air nearby an urban area (Spain)

Gallego

Roca

Perales

et al. 2016

Science of The Total Environment

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Emission factors of formaldehyde and VOCs were determined for two waste treatment plants (WTP) located in\ud the metropolitan area of Barcelona city. Formaldehyde emission factors were determined from the biogas engines\ud exhausts and the process chimneys (after the biofilter process), and VOC emission factors were determined\ud in the process chimneys. Formaldehyde and VOC were dynamically sampled usingDNPH-coated adsorbent tubes\ud with ozone scrubber and multi-sorbent bed tubes (Carbotrap, Carbopack X and Carboxen 569), respectively,\ud using portable pump equipment. Formaldehyde emission factors from biogas engines were found between\ud 0.001–0.04 g s-1. Additionally, formaldehyde and VOC emission factors from process chimneys were found to\ud be between 0.0002–0.003 g s-1 and 0.9 ± 0.3 g s-1, respectively. Employing real emission factors, the expected\ud concentrations derived from the WTPs in their nearby urban areaswere calculated using The Atmospheric Pollution\ud Model (TAPM, CSIRO), and impact maps were generated. On the other hand, ambient air formaldehyde and VOC\ud concentrations were determined in selected locations close to the evaluated waste treatment facilities using both\ud active and passive samplers, and were between 2.5±0.4–5.9±1.0 µgm-3and91±48–242±121 µgm-3, respectively.\ud The concentrations of formaldehyde and VOC derived exclusively from the waste treatment plants were\ud around 2% and 0.3 ± 0.9% of the total formaldehyde and VOC concentrations found in ambient air, respectively.Postprint (author's final draft

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Section: Real Formaldehyde and Voc Ambient Air Concentrations In Wastsupporting

confidence: 60%

Impact of formaldehyde and VOCs from waste treatment plants upon the ambient air nearby an urban area (Spain)

Gallego

Roca

Perales

et al. 2016

Science of The Total Environment

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“…They can cause cancer (i.e. benzene, ethylbenzene, tetrachloromethane, and trichloroethylene), allergy, and immune system impairments [ 24 ]. They are ubiquitous as they originate from different chemical products of everyday life: construction materials, paints, solvents, cleaning products, cosmetics, and others.…”

Section: Discussionmentioning

confidence: 99%

Effectiveness of plants and green infrastructure utilization in ambient particulate matter removal

Wróblewska

Jeong

2021

Environ Sci Eur

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Air pollution is regarded as an increasingly threatening, major environmental risk for human health. Seven million deaths are attributed to air pollution each year, 91% of which is due to particulate matter. Vegetation is a xenobiotic means of removing particulate matter. This review presents the mechanisms of PM capture by plants and factors that influence PM reduction in the atmosphere. Vegetation is ubiquitously approved as a PM removal solution in cities, taking various forms of green infrastructure. This review also refers to the effectiveness of plant exploitation in GI: trees, grasslands, green roofs, living walls, water reservoirs, and urban farming. Finally, methods of increasing the PM removal by plants, such as species selection, biodiversity increase, PAH-degrading phyllospheric endophytes, transgenic plants and microorganisms, are presented.

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“…Measurements of VOCs are important in the study of photochemical transformations, both qualitatively and quantitatively. In [5] observed that the ozone formation potential (OFP) was three and four times higher in Dhaka than the OFP value was observed at the street sites in Hanoi and Manila, respectively. Many aspects of VOCs in the atmosphere remain poorly understoodthese include the detection and quantification of by-products of VOCs, their oxidation reactions and their role in oxidant and secondary aerosol formation.…”

Section: Introductionmentioning

confidence: 91%

Volatile Organic Compound Analysis by Sorbent Tube-Thermal Desorption-Gas Chromatography: A Review

Khan¹,

Sahani²,

Nadzir³

et al. 2018

IJET

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Volatile organic compounds (VOCs) play an important role in the generation of ground level ozone and secondary organic aerosol. Most tropical countries such as Malaysia, Singapore, Indonesia, Brunei experience high ozone pollution. Beside ozone, oxides of nitrogen (NOx) from vehicular emissions also play an important role in photochemical pollution. NOx, particularly nitric oxide (NO), helps to ‘clean up’ ozone concentrations close to traffic in the ambient air of urban areas. Thus, knowledge of the chemistry of ozone-VOCs-NOx and finding the sources of VOCs are crucial to proceed with an appropriate mitigation strategy. Thus, the detection of ozone precursors and related VOCs is thoroughly discussed. This review finds that the inertness, hydrophobicity, and the effect of the artefact materials are very significant factors to be explored in the selection of the sorbent materials. In the SEA region, relative humidity is relatively high and exceeds 90% during the northeast monsoon. Thus, the hydrophobic properties of the sampling material need careful consideration. Further to the effect of relative humidity (RH), the artefact effect of the material itself is a challenge to be optimized and multi-sorbent material in a single tube could be a viable choice to minimize the effect of the unwanted signal in the spectrum.

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Airborne volatile organic compounds in urban and industrial locations in four developing countries

Cited by 23 publications

References 30 publications

Impact of formaldehyde and VOCs from waste treatment plants upon the ambient air nearby an urban area (Spain)

Impact of formaldehyde and VOCs from waste treatment plants upon the ambient air nearby an urban area (Spain)

Effectiveness of plants and green infrastructure utilization in ambient particulate matter removal

Volatile Organic Compound Analysis by Sorbent Tube-Thermal Desorption-Gas Chromatography: A Review

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