[Stoves] Fine Particulates from a Selection of Cookstoves

Darpan Das darpandasiitb at gmail.com
Wed May 31 00:41:19 CDT 2017


Dear Tom

In this study, 11 fuel-stove combinations covering a variety of fuels and
different stoves are investigated for UFP emissions and PNSD.
Which study is being referred here?



On Wed, May 31, 2017 at 5:06 AM, Tom Miles <tmiles at trmiles.com> wrote:

> A characterization of the relative size and quantity of fine particulate
> emissions from a selection of cook stoves. Note the solid fuels used in
> these trials were very dry.
>
> Size, Composition, and Source Profiles of Inhalable Bioaerosols from
> Colorado Dairies
> Joshua W. Schaeffer, Stephen Reynolds, Sheryl Magzamen, Amanda VanDyke,
> Neil R. Gottel, Jack A. Gilbert, Sarah M. Owens, Jarrad T. Hampton-Marcell
> and John Volckens
> Environ. Sci. Technol., Article ASAP
> DOI: 10.1021/acs.est.7b00882
> Publication Date (Web): May 25, 2017
> Copyright © 2017, American Chemical Society
> http://pubs.acs.org/doi/abs/10.1021/acs.est.7b00882
>
>
> Ultrafine particle (UFP) emissions and particle number size distributions
> (PNSD) are critical in the evaluation of air pollution impacts; however,
> data on UFP number emissions from cookstoves, which are a major source of
> many pollutants, are limited. In this study, 11 fuel-stove combinations
> covering a variety of fuels and different stoves are investigated for UFP
> emissions and PNSD. The combustion of LPG and alcohol (∼1011 particles per
> useful energy delivered, particles/MJd), and kerosene (∼1013
> particles/MJd), produced emissions that were lower by 2–3 orders of
> magnitude than solid fuels (1014–1015 particles/MJd). Three different PNSD
> types—unimodal distributions with peaks ∼30–40 nm, unimodal distributions
> with peaks <30 nm, and bimodal distributions—were observed as the result of
> both fuel and stove effects. The fractions of particles smaller than 30 nm
> (F30) varied among the tested systems, ranging from 13% to 88%. The burning
> of LPG and alcohol had the lowest PM2.5 mass emissions, UFP number
> emissions, and F30 (13–21% for LPG and 35–41% for alcohol). Emissions of
> PM2.5 and UFP from kerosene were also low compared with solid fuel burning
> but had a relatively high F30 value of approximately 73–80%.
>
>
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-- 
Darpan Das
Research Scholar
IIT Bombay
India
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