Evaluating co-emissions into indoor and outdoor air of EC, OC, and BC from in-home biomass burning

Luo, Zhihan; Zhang, Lu; Li, Gang; Du, Wei; Chen, Yuanchen; Cheng, Hefa; Tao, Shu; Shen, Guofeng

doi:10.1016/j.atmosres.2020.105247

Cited by 33 publications

(18 citation statements)

References 73 publications

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“…This method of estimation for BrC is similar to those in previous studies apportioning BrC in both indoor and outdoor environments. 44,45 It is important to note that this estimation method holds best for externally mixed aerosols.…”

Section: Instrumentation and Associated Calculationsmentioning

confidence: 99%

“…46 We acknowledge that previously published values on the αabs of LAC have been shown to exhibit a considerable amount of variability (5-39.5 m 2 g -1 ) due to inherent measurement uncertainties and the mixing state of particles. 45,48 Therefore the BrC concentrations values reported in this study are meant as a semi-quantitative comparative analysis into the characterization of various indoor sources.…”

Section: Instrumentation and Associated Calculationsmentioning

confidence: 99%

See 1 more Smart Citation

Indoor black carbon and brown carbon concentrations from cooking and outdoor penetration: insights from the HOMEChem study

Sankhyan

Patel

Katz

et al. 2021

Environ. Sci.: Processes Impacts

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Section: Instrumentation and Associated Calculationsmentioning

confidence: 99%

Section: Instrumentation and Associated Calculationsmentioning

confidence: 99%

Indoor black carbon and brown carbon concentrations from cooking and outdoor penetration: insights from the HOMEChem study

Sankhyan

Patel

Katz

et al. 2021

Environ. Sci.: Processes Impacts

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“…As people spend most of the time at home or at the workplace (around 90% [21], indoor air quality has a significant impact on human wellbeing. Multiple studies examined indoor air quality and possible aerosol sources in residential buildings (e.g., [22][23][24]). However, studies of office air quality remain limited [25,26].…”

Section: Introductionmentioning

confidence: 99%

Office Indoor PM and BC Level in Lithuania: The Role of a Long-Range Smoke Transport Event

et al. 2021

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While the impacts of climate change on wildfires and resulting air pollution levels have been observed, little is known about how indoor air filtering systems are performing under intensive smoke conditions. For this aim, particle number size distribution and concentration in a size range 0.5–18 µm and equivalent black carbon (eBC) mass concentration were measured in a modern office with a mechanical ventilation system. Measurements took place from 30 September to 6 October 2020 in the Center for Physical Sciences and Technology (FTMC) campus located in the urban background environment in Lithuania. During the measurement campaign, an intensive pollution episode, related to long-range transport wildfire smoke, was observed. The results indicated that the smoke event increased both indoor and outdoor eBC mass concentrations twice. Filters were non-selective for different eBC sources (biomass burning versus traffic) or chemical composition of carbonaceous aerosol particles (eBC versus brown carbon (BrC)). Air filtering efficiency was found to be highly dependent on particle size. During the smoke event the highest particle number concentration was observed at 2.1 µm and 1.0 µm size particles in outdoor and indoor air, respectively. Differences of indoor to outdoor ratio between event and non-event days were not significant. Because of lower removal rate for small particles, eBC had higher contribution to total PM2.5 mass concentration in indoor air than in outdoor air. The results gained are crucial for decision-making bodies in order to implement higher-quality air-filtering systems in office buildings and, as a result, minimize potential health impacts.

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“…Thus, in the present analysis, in the calculation of BC and BrC mass on filter, we referred to the manufacturer default MAE values, like those done in some past studies [23][24][25][26] . This uncertainty should be paid more attention when generalizing the data.…”

Section: S4mentioning

confidence: 99%

“…Testing location and fuel-stove information of the emission measurement in this study. iron chimney (39) brick chimney (34) without (19) no record (13) heating (29) cooking (71) heating& cooking 5Liaoning (n=40) brick stove (13) iron stove (16) Kang (11) wood fuel: wood log (7), wood branch (5) crop residue: corn straw 7, O-straw (1), corn cob 7chunk coal (5) coal-clay mix (8) iron chimney (25) brick chimney (10) no record (5) heating (9) cooking (17) cooking& heating (14) Inner Mongolia (n=18) brick stove (7) iron stove (11) wood fuel: wood log (8)…”

Section: Table S1mentioning

confidence: 99%

Optically Measured Black and Particulate Brown Carbon Emission Factors from Real-World Residential Combustion Predominantly Affected by Fuel Differences

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Evaluating co-emissions into indoor and outdoor air of EC, OC, and BC from in-home biomass burning

Cited by 33 publications

References 73 publications

Indoor black carbon and brown carbon concentrations from cooking and outdoor penetration: insights from the HOMEChem study

Indoor black carbon and brown carbon concentrations from cooking and outdoor penetration: insights from the HOMEChem study

Office Indoor PM and BC Level in Lithuania: The Role of a Long-Range Smoke Transport Event

Optically Measured Black and Particulate Brown Carbon Emission Factors from Real-World Residential Combustion Predominantly Affected by Fuel Differences

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