Energy Saving Analysis at Sewage Treatment Plants - A Case Study in China -

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概要

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• The need to save energy at sewage treatment plants is a common issue in Japan and China. We applied a sewage treatment plant performance evaluation system to study the energy-saving effects and effluent water quality by studying values of the control parameters. The evaluation system is a simulator applicable to the sewage treatment plant process as a whole. It performs an overall evaluation of effluent water quality and energy consumption by linking water treatment with sludge treatment. Analysis was made of two medium-sized plants with a treatment capacity of 10,000 m<SUP>3</SUP>/day and one large treatment plant with a capacity of 150,000 m<SUP>3</SUP>/day. We studied the control settings for MLSS, return sludge ratio, and reactor DO. The analysis indicated that power consumption could be reduced by 7 to 17%.

著者

• INOUE Kohei

  Fuji Electric Co., Ltd., Japan

• FUKUSHIMA Toshiki

  METAWATER Co., Ltd., Japan

• SOMIYA Isao

  Professor Emeritus, Kyoto University and Ryukoku University, Japan

• NAKAGAWA Go

  EX-Fuji Electric (China) Co., Ltd., P.R.C.

関連論文

• Energy Saving Analysis at Sewage Treatment Plants - A Case Study in China -

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