Study on Process Optimization and Energy Efficiency Improvement in Upgrading and Renovation of Sewage Treatment Plant

Xiao-Xia Liang （ North China Municipal Engineering Design&Research Institute Co.,Ltd, Tianjin 300000, China ）

Abstract

With the increasingly stringent environmental protection requirements and the advancement of the dual-carbon goal, it is urgent to upgrade the standard of sewage treatment plants. This study focuses on the two cores of process optimization and energy efficiency improvement. In terms of process optimization, technologies such as biological treatment enhancement, advanced treatment upgrade, nitrogen and phosphorus removal efficiency improvement, and sludge treatment and disposal optimization are discussed; energy efficiency improvement covers aeration system optimization, precise control and intelligent operation and maintenance, energy recovery and utilization, equipment energy efficiency upgrade, and the construction of the whole process energy efficiency management system. Through the comprehensive application of these technologies, the aim is to achieve efficient, low consumption, stable operation of sewage treatment plants, meet new emission standards, reduce carbon emissions, provide theoretical and practical reference for the sustainable development of the industry, and promote the transformation and upgrading of sewage treatment plants to green and intelligent directions.

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