―Review―

Trials for Recyclings of the Waste Containing Heavy Metals [in Japanese]

Yasuhiro Ishibashi^a and Koji Arizono^b

^aEnvironmental Protection Center, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852-8521, Japan and ^bFaculty of Environmental Studies, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852-8521, Japan

The recyclings of the waste is important for the control of discharging the waste. The effort of the waste-recycling began at various fields. The practice about heavy metals of mercury and cadmium was also started. The fluorescent light bulb and dry battery is the industry products containing heavy metals, such as mercury, manganese and zinc. In addition the waste water from the industry process is contaminated by a large armount of heavy metals. The objective of this paper is to introduce the outline of the collecting and recycling heavy metals from the fluorescent light bulb, dry battery and waste water in Japan.