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UDC 628.3:658.26.004.18

DANILOVICH D. A.

Energy conservation and alternative power sources at the wastewater treatment facilities

Summary

Methods of improving power efficiency of the municipal wastewater treatment facilities and heat and electrical power generation with the use of renewable power resource of wastewater. The analysis of power conservation and generation in water supply and wastewater management shows that depending on the technical solutions applied the total balance of power consumption at the water and wastewater facilities can vary from the net electrical energy consumption of 4 MW per 100 000 m³ of wastewater/day to positive balance of 7,5–8 MW (owing to 16 MW power generated including 1 MW of electrical energy). The power consumption of two independent municipal wastewater treatment plants can differ more than 6 times.

Key words

biogas , water supply-sewerage services , sludge , treatment facilities , wastewater , heat pumps , electric power , power consumption , energy efficiency

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