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Emissions of soot, PAHs, ultrafine particles, NOx, and other health relevant compounds from stressed burning of candles in indoor air
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- Andersen, Christina (author)
- Lund University,Lunds universitet,Ergonomi och aerosolteknologi,Institutionen för designvetenskaper,Institutioner vid LTH,Lunds Tekniska Högskola,Ergonomics and Aerosol Technology,Department of Design Sciences,Departments at LTH,Faculty of Engineering, LTH
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- Omelekhina, Yuliya (author)
- Lund University,Lunds universitet,Ergonomi och aerosolteknologi,Institutionen för designvetenskaper,Institutioner vid LTH,Lunds Tekniska Högskola,Ergonomics and Aerosol Technology,Department of Design Sciences,Departments at LTH,Faculty of Engineering, LTH
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- Rasmussen, Berit Brøndum (author)
- Aarhus University
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- Nygaard Bennekov, Mette (author)
- Aarhus University
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- Skov, Søren Nielsen (author)
- Danish Technological Institute (DTI)
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- Køcks, Morten (author)
- Danish Technological Institute (DTI)
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- Wang, Kai (author)
- Aarhus University
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- Strandberg, Bo (author)
- Lund University,Lunds universitet,Avdelningen för arbets- och miljömedicin,Institutionen för laboratoriemedicin,Medicinska fakulteten,Division of Occupational and Environmental Medicine, Lund University,Department of Laboratory Medicine,Faculty of Medicine
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- Mattsson, Fredrik (author)
- Lund University,Lunds universitet,Ergonomi och aerosolteknologi,Institutionen för designvetenskaper,Institutioner vid LTH,Lunds Tekniska Högskola,Ergonomics and Aerosol Technology,Department of Design Sciences,Departments at LTH,Faculty of Engineering, LTH
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- Bilde, Merete (author)
- Aarhus University
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- Glasius, Marianne (author)
- Aarhus University
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- Pagels, Joakim (author)
- Lund University,Lunds universitet,NanoLund: Centre for Nanoscience,Annan verksamhet, LTH,Lunds Tekniska Högskola,Ergonomi och aerosolteknologi,Institutionen för designvetenskaper,Institutioner vid LTH,Other operations, LTH,Faculty of Engineering, LTH,Ergonomics and Aerosol Technology,Department of Design Sciences,Departments at LTH,Faculty of Engineering, LTH
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- Wierzbicka, Aneta (author)
- Lund University,Lunds universitet,Ergonomi och aerosolteknologi,Institutionen för designvetenskaper,Institutioner vid LTH,Lunds Tekniska Högskola,Ergonomics and Aerosol Technology,Department of Design Sciences,Departments at LTH,Faculty of Engineering, LTH
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(creator_code:org_t)
- 2021-07-23
- 2021
- English.
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In: Indoor Air. - : Hindawi Limited. - 0905-6947 .- 1600-0668. ; 31:6, s. 2033-2048
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Abstract
Subject headings
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- Burning candles release a variety of pollutants to indoor air, some of which are of concern for human health. We studied emissions of particles and gases from the stressed burning of five types of pillar candles with different wax and wick compositions. The stressed burning was introduced by controlled fluctuating air velocities in a 21.6 m3 laboratory chamber. The aerosol physicochemical properties were measured both in well-mixed chamber air and directly above the candle flame with online and offline techniques. All candles showed different emission profiles over time with high repeatability among replicates. The particle mass emissions from stressed burning for all candle types were dominated by soot (black carbon; BC). The wax and wick composition strongly influenced emissions of BC, PM2.5 , and particle-phase polycyclic aromatic hydrocarbons (PAHs), and to lower degree ultrafine particles, inorganic and organic carbon fraction of PM, but did not influence NOx , formaldehyde, and gas-phase PAHs. Measurements directly above the flame showed empirical evidence of short-lived strong emission peaks of soot particles. The results show the importance of including the entire burn time of candles in exposure assessments, as their emissions can vary strongly over time. Preventing stressed burning of candles can reduce exposure to pollutants in indoor air.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Hälsovetenskap -- Arbetsmedicin och miljömedicin (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Health Sciences -- Occupational Health and Environmental Health (hsv//eng)
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- art (subject category)
- ref (subject category)
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Indoor Air
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- By the author/editor
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Andersen, Christ ...
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Omelekhina, Yuli ...
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Rasmussen, Berit ...
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Nygaard Bennekov ...
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Skov, Søren Niel ...
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Køcks, Morten
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Wang, Kai
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Strandberg, Bo
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Mattsson, Fredri ...
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Bilde, Merete
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Glasius, Mariann ...
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Pagels, Joakim
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Wierzbicka, Anet ...
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- About the subject
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- MEDICAL AND HEALTH SCIENCES
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MEDICAL AND HEAL ...
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and Health Sciences
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and Occupational Hea ...
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Indoor Air
- By the university
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Lund University