A2O biological tank process model building method

Abstract

The invention relates to the field of sewage treatment, and provides an A2O biological tank process model building method. The method comprises the following steps: setting input parameters and output parameters; building an A2O biological tank process model according to the input parameters, the output parameters, an ASM2D (Activated Sludge Model No.2D) model and a material balance equation, wherein the A2O biological tank process model comprises an anaerobic tank process model, an anoxic tank process model and an aerobic tank process model; the output parameters represent the concentration variation rate of components. According to the A2O biological tank process model building method, the A2O biological tank process model is simple and can be built through Matlab simulation software; the A2O biological tank process model can be used for simulating the A2O biological tank process, so as to provide foundation for later control strategy study; meanwhile, purchase of foreign ASMs-like series simulation software which is high in price can be avoided, so that the cost of sewage treatment of the A2O biological tank process can be reduced.

Description

technical field [0001] The invention relates to the field of sewage treatment, in particular to an A2O biological pool process modeling method. Background technique [0002] The A2O method, also known as the AAO method, is the abbreviation of the first letter of the English Anaerobic-Anoxic-Oxic (anaerobic-anoxic-aerobic method). It is a commonly used secondary sewage treatment process, which has been widely used. To urban sewage treatment plants, it can be used for secondary sewage treatment or tertiary sewage treatment. The activated sludge method is also a sewage treatment method commonly used in the world today, and has good nitrogen and phosphorus removal effects. With the increasingly active application of mathematical simulation and computer technology in sewage treatment process, it is possible to develop mathematical simulation software for activated sludge system, which also provides a good foundation for the operation of activated sludge mathematical model. For e...

AI Technical Summary

Problems solved by technology

However, the domestic research in this field started relatively late, and the research on software development is also less, so that in the process of using the A2O sewage treatment process in China, if it is necessary to simulate the process of the A2O sewage treatment process, it has to spend a lot of money Buy simulation software similar to ASMs series

[0003] Therefore, it is necessary to provide a modeling method of A2O biological pool process, which can be realized by simple simulation, so as to solve the problem that the domestic research on biological pool process modeling starts late and there are few related simulation software. The later control strategy research provides the basis for simulation

Images