Water and sewage treatment Systems have been intensively developed in Japan so as to realize an affluent society and protect the environment. However, various problems have been encountered such as the contamination of water resources by nitrogenous substances, dioxin, O-157, Cryptosporidium, by-product materials, and so on. Toshiba is continuing active research to provide complete solutions to these problems. This paper describes some of Toshiba's new technologies, including a water quality monitoring support system, ozone purification system, supervisory and management systems, fuel cell system, and plant operation and maintenance services.
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