Roles of inherent fine included mineral particles in the emission of PM10 during pulverized coal combustion

Gao, X.
Li, Y.
Garcia-Perez, M.
Wu, H.

Publication date

January 2012

Publisher

American Chemical Society (ACS)

Abstract

A coal sample was prepared from a Western Australia sub-bituminous coal via density separation (1.4–1.6 g/cm3) and size separation (63–90 μm). The mineral matter in the coal is of included nature, of which ∼90% are fine mineral particles <10 μm. The raw coal was then washed by dilute acid to prepare an acid-washed coal from which char sample was generated in a quartz drop-tube/fixed-bed reactor at 1000 °C under argon atmosphere. The acid-washed coal and char samples were then combusted in a drop-tube furnace at 1400 °C in air. The PM10 samples collected (mostly PM1–10) contains mainly refractory species including Si, Al, Fe, Mg, and Ca and account for ∼19.4% of the total ash collected in both the low-pressure impactor and the cyclone. This ...

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Roles of inherent fine included mineral particles in the emission of PM10 during pulverized coal combustion

Abstract

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Roles of inherent fine included mineral particles in the emission of PM10 during pulverized coal combustion

Abstract

Extracted data

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