Treatment of Mercury Contained-Wastes at Itomuka Plant of Nomurakohsan Co., Ltd.

Abstract

Nomurakohsan Co., Ltd. has been treating the wastes containing mercury for over 30years at Itomuka Plant located in the mountains, north-east of Hokkaido. Its treating materials are used zinc-carbon and alkaline-manganese batteries, used fluorescent lamps, mercury-containing wastes, medical wastes, used chemical reagents and so on. This paper introduces the current situation of Itomuka Plant, especially the treatment of zinc-carbon and alkaline-manganese batteries, used fluorescent lamps and mercury-containing wastes.