Effect of Particle Size on the Speciation Distribution of Heavy Metals in MSWI Fly Ash

The municipal solid waste incinerator (MSWI) fly ash was classified by particle sizes: >;0.27 mm, 0.27-0.15 mm, 0.15-0.11 mm, 0.27 mm. However, there was significant quantity of Ni in fly ash with particle size between 0.11 mm and 0.15 mm.