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This study aims to understand the physicochemical properties of fly ash from waste incineration for safer utilization.

June 5, 2026ACS Environmental AuOpen Access

Physicochemical Properties of Fine and Coarse Fly Ash Aerosol Particles from Waste Incineration

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This study aims to understand the physicochemical properties of fly ash from waste incineration for safer utilization.
Investigated particle size distribution and elemental partitioning of fly ash aerosols from a waste-to-energy facility.
Used online aerosol instruments with size-selective collection for gravimetric and elemental analyses.
Analyzed compositions of boiler deposits and electrostatic precipitator ash.
Particle size distribution was multimodal with a mass peak at 0.5 μm; fine particles (<1 μm) made up 16% of total mass.
Fine particles enriched with toxic metals (Zn, Cd, Cu, Sb, Pb, Sn) while coarse particles were dominated by Ca, Si, and Al.
Elemental composition knowledge supports resource recovery strategies for fine particles and construction applications for coarse particles.

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Randomized trial investigates physicochemical properties of fly ash in waste-to-energy facility, suggesting improved utilization strategies.

Bergman et al. (2026) studied this question.

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Randomized trial investigates physicochemical properties of fly ash in waste-to-energy facility, suggesting improved utilization strategies.