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现代污水处理厂是一个物理、化学和生物过程的综合系统,在这系统中要考虑许多过程,特别是污泥处理和处置过程,这就使选择过程最优化变得复杂了。进一步认识每种过程可以设计成在各种效率下进行运转,显而易见可供设计选择的污水处理系统数是很多的,如已知各种单元过程和运转效率的组合。景佳程序必须从这些组合中选择设计过程和效率,因为长期来,认为单元过程的最优化一般不会导致系统最优设计。因此,
Modern sewage treatment plant is a comprehensive system of physical, chemical and biological processes. Many processes are considered in this system, especially the sludge treatment and disposal process, which makes the optimization of the selection process complicated. Further understanding that each process can be designed to operate at various efficiencies, it is clear that the number of wastewater treatment systems available for design choice is numerous, as is known for a combination of various unit processes and operating efficiencies. Jing Jia program must choose the design process and efficiency from these combinations because, for a long time, it is believed that the optimization of the unit process will not generally lead to the optimal design of the system. therefore,