Tomoo Sekito*, Nobutoshi Tanaka*, Toshihiko Matsuto* and Takayuki Matsuo*

* Department of Environmental and Sanitary Eng., Faculty of Eng., Hokkaido Univ.

+ Correspondence should be addressed to Nobutoshi Tanaka:
Faculty of Eng., Hokkaido Univ.
(Kita 13 Nishi 8, Kita-Ku, Sapporo 060 Japan)

Abstract

Three types of processed waste municipal resource recovery facilities (for incineration, for landfill, and for recycling) were measured for physical composition, ignition loss, etc. The results show that the difference in the characteristics in the residues depend mainly on the input wastes. For example, ignition loss for landfill residue from residential bulky wastes was about 50%, but that of residential incombustible waste was about 20%. To date there is no research which measures the physical composition of fine particles under 5.6mm in landfill residue. A new method is proposed for classifying fine particles into five kinds of physical composition: wood, paper, plastics, metals, and other incombustibles. Using this method, it is possible to obtain the mass of the five components in the municipal facilities for size reduction and resources recovery.

Key words: municipal resource recovery facilities, processing residues, physical composition, ignition loss, mass balance