数值模拟在污水生物处理领域应用进展

随着计算机技术的发展，数值模拟在污水生物处理工艺设计、水处理设备结构优化等领域中已得到广泛应用。介绍了数值模拟技术常用的计算方法，对活性污泥法、MBR、厌氧消化等污水生物处理领域中的数值模拟研究进展进行了总结评述，讨论了模拟仿真过程中模型选择、简化假设、预测控制等关键问题。目前数值模拟在污水生物处理领域得出的多是导向性结论，将模拟与实验结合可以提升研究效率，更好地解决工程问题。

GENERAL SURVEY ON APPLICATION OF NUMERICAL SIMULATION IN SEWAGE BIOLOGICAL TREATMENT

With the rapid development of computer technology, numerical simulation has been widely used in the field of wastewater biological treatment process design and water treatment equipment structure optimization. This paper introduced the commonly used calculation methods of numerical simulation technology, and summarized the progress of numerical simulation research in the field of sewage biological treatment, such as activated sludge process, MBR, anaerobic digestion, and discussed the key issues such as model selection, simplifying assumption and predictive control in the simulation process. At present, numerical simulations techniques gave many guiding conclusions in the field of wastewater biological treatment. Combining simulation with experiments could improve research efficiency and solve engineering problems better.