A Study Method for Reducing Power Consumption based on the Characteristic of Power Consumption of Sewage Treatment Facilities

Abstract

 By the meeting with manufacturers and the questionnaires to municipalities, the actual conditions (types, number of units, operating hours, etc.) of equipments installed in sewage treatment plants were obtained. Several model combinations of different plant scales, treatment processes and equipment patterns were designed and calculated for their power consumption.
 The results showed about 30% reduction in power consumption by renewal of equipment to energy-saving type.
 A study model for reducing power consumption in sewage treatment plants and in a basin based on the power consumption rate obtained in this study was proposed.