The sewage treatment process refers to various economic development, effective, scientific research, and feasible process methods for the treatment of domestic sewage and chemical wastewater in large cities. Wastewater treatment is widely used in various industries such as engineering and construction, agriculture and animal husbandry, transportation, electricity and energy, petrochemicals, environmental protection, urban scenery, diagnosis and treatment, restaurants, etc. The sewage treatment process in large cities should be based on the natural environmental effects of addressing the scale of operation, water quality characteristics, water quality in water source protection areas, and specific local conditions and regulations. After comprehensive safety engineering comparison, it should be selected and clarified. What are the selection rules for sewage treatment processes?

1) The sewage treatment process in large cities should be based on the natural environmental effects of addressing the scale of operation, water quality characteristics, water quality in water source protection areas, and specific local conditions and regulations. After comprehensive safety engineering comparison, it should be selected and clarified.

2) The key technical and economic data for process selection include: solving enterprise water project investment, reducing enterprise air pollution project investment, solving enterprise water energy consumption and cost fees, reducing enterprise air pollution energy consumption and cost fees, occupying land, operating characteristic stability, management method maintenance difficulty coefficient level, overall ecological benefits, etc.

3) The water quality of wastewater seepage should be clearly defined in accordance with reality, and the main parameters of the process design scheme should be improved. It is necessary to conduct detailed research or measurement on the current water quality characteristics and air pollutant composition of wastewater, and make effective predictive analysis. When the composition of water quality is complex or unique, dynamic experiments of sewage treatment processes should be carried out, and small-scale scientific research should be conducted if necessary.

4) Actively and cautiously selecting new processes for efficient economic development. For new processes that are first used in China, it is necessary to go through small-scale trials and large-scale experiments, present reliable design schemes and main parameters before proceeding with application.

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