To provide a method for landfill disposal of a waste used as a soil- covering material to be used in a final disposal site by treating a granular to matter contaminated with contaminants such as contaminated soil, incineration ash or the like, and its cover material.
A granulate matter contaminated with contaminant is charged into a treatment space of a granulation means 20 is separated into an independent granulate matter while water is added by making compression and inter- granulate grinding forces act and the contaminant sticking to the surface of the granulate matter is separated. The granulate matter is granulated and then classified by a classifying means 50 equipped with first and second liquid cyclones 51, 51R, a centrifugal separator or the like, and the classified granulate matter from which the contaminant is removed, is used as a cover material when landfill disposal of the waste is carried out.
SHIBATA HIROHIKO
SHINODA YUTAKA
KUMAGAI GUMI CO LTD
SHINROKU SEIKI KK