[Stoves] A Laboratory Assessment of 120 Air Pollutant Emissions from Biomass and Fossil Fuel Cookstoves

[Ronal Larson]

Tom and list:

	Thanks for the alert.

	The paper is behind a paywall,  but the supplemental gives quite a lot of non-fee information at 
           https://pubs.acs.org/doi/suppl/10.1021/acs.est.8b07019/suppl_file/es8b07019_si_001.pdf <https://pubs.acs.org/doi/suppl/10.1021/acs.est.8b07019/suppl_file/es8b07019_si_001.pdf>

	They use data from a similar 2017 non-fee paper at
	   https://pubs.acs.org/doi/10.1021/acs.est.6b05557 <https://pubs.acs.org/doi/10.1021/acs.est.6b05557>

	One surprise was how inefficient the two charcoal-using kilos were.   In general, the Phillips looked best; which is a TLUD that consumes the produced char.  No char-producers in the list.

Ron


> On Jun 9, 2019, at 1:48 PM, Tom Miles <trmilesjr at gmail.com> wrote:
> 
> You might be interested in the following content published on the ACS Web Editions Platform:
> https://pubs.acs.org/doi/10.1021/acs.est.8b07019 <https://pubs.acs.org/doi/10.1021/acs.est.8b07019>
>  
> Cookstoves emit many pollutants that are harmful to human health and the environment. However, most of the existing scientific literature focuses on fine particulate matter (PM2.5) and carbon monoxide (CO). We present an extensive data set of speciated air pollution emissions from wood, charcoal, kerosene, and liquefied petroleum gas (LPG) cookstoves. One-hundred and twenty gas- and particle-phase constituents—including organic carbon, elemental carbon (EC), ultrafine particles (10–100 nm), inorganic ions, carbohydrates, and volatile/semivolatile organic compounds (e.g., alkanes, alkenes, alkynes, aromatics, carbonyls, and polycyclic aromatic hydrocarbons (PAHs))—were measured in the exhaust from 26 stove/fuel combinations. We find that improved biomass stoves tend to reduce PM2.5 emissions; however, certain design features (e.g., insulation or a fan) tend to increase relative levels of other coemitted pollutants (e.g., EC ultrafine particles, carbonyls, or PAHs, depending on stove type). In contrast, the pressurized kerosene and LPG stoves reduced all pollutants relative to a traditional three-stone fire (≥93% and ≥79%, respectively). Finally, we find that PM2.5 and CO are not strong predictors of coemitted pollutants, which is problematic because these pollutants may not be indicators of other cookstove smoke constituents (such as formaldehyde and acetaldehyde) that may be emitted at concentrations that are harmful to human health.
>  
> A Laboratory Assessment of 120 Air Pollutant Emissions from Biomass and Fossil Fuel Cookstoves Kelsey R. Bilsback†, Jordyn Dahlke†, Kristen M. Fedak‡, Nicholas Good‡, Arsineh Hecobian§, Pierre Herckes∥, Christian L’Orange†, John Mehaffy†, Amy Sullivan§, Jessica Tryner†, Lizette Van Zyl†, Ethan S. Walker‡, Yong Zhou§, Jeffrey R. Pierce§, Ander Wilson⊥, Jennifer L. Peel‡, and John Volckens*† Environmental Science & Technology Article ASAP
> DOI: 10.102110.1021/acs.est.8b07019
> Copyright © 2019/06/07
> American Chemical Society
> https://pubs.acs.org/doi/10.1021/acs.est.8b07019 <https://pubs.acs.org/doi/10.1021/acs.est.8b07019>
> 
> 
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