Faculty of Engineering;
King Mongkut's Institute of Technology Ladkrabang;
Bangkok 10520;
Thailand;
National Metal and Materials Technology Center;
National Science and Technology Development Agency;
Pathum Thani 12120;
Thailand;
School of Engineering;
Tokyo Institute of Technology;
Tokyo 152-8552;
Japan;
Biomass combustion; Particulate matter; Soot; Ashes; TEM; XRD; TGA;