Saccharides Emissions from Biomass and Coal Burning in Northwest China and Their Application in Source Contribution Estimation
نویسندگان
چکیده
Saccharides are important tracers in aerosol source identification but results different areas varied significantly. In this study, six saccharides (levoglucosan, arabitol, glucose, mannitol, inositol, and sucrose) were determined for their emission factors diagnostic ratios from domestic combustion of typical biomass coal fuels Northwest China. Three types (i.e., anthracitic coal, bituminous briquettes) five maize straw, wheat corn cob, wood branches, block) collected regional rural selected. Overall, the ranking fuel terms factor particulate matter less than 2.5 ?m diameter (PM2.5) was < firewood straw fuel, with a range 0.14–36.70 g/kg. Furthermore, (e.g., organic carbon (OC) levels) traditional stove-Heated Kang Guanzhong Plain differed significantly that stoves burning same which is attributable to differences conditions. The combined levoglucosan (LG)/OC arabitol/elemental can be used accurately distinguish contribution atmospheric PM. Estimation (BB) PM2.5 had an uncertainty ?2.7% 41.0% overestimation 9.9–28.2% when LG as sole tracer, despite its widespread use other studies; thus, these estimation methods inadequate require improvement. also revealed specialized control clean energy strategies required both residential BB non-BB sources on scale.
منابع مشابه
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ژورنال
عنوان ژورنال: Atmosphere
سال: 2021
ISSN: ['2073-4433']
DOI: https://doi.org/10.3390/atmos12070821