Intelligent optimization method for improving efficiency of D-amino acid for alleviating MBR membrane pollution

Abstract

From the perspective of a mathematical model, a method of combining multiple linear regression analysis (MLR) and response surface optimization (RSM) is utilized, and the D-amino acid (DAA) is applied to intelligent regulation and optimal prediction of operation condition parameters in the MBR sewage treatment process, so that the MBR membrane pollution is slowed down, and further application of the DAA in an MBR system is promoted; a novel and effective control strategy can be provided for solving the MBR membrane biological pollution problem. According to the method, fitting optimization analysis is performed on the relationship between the operation conditions and the membrane pollution rate in the DAA-MBR, the influence degree of each operation condition on the membrane pollution rate is quantitatively evaluated, and the optimal combined process parameters of the operation conditions are determined. Meanwhile, the numerical value and trend of the DAA-MBR membrane pollution rate under the operation conditions of all levels within and outside the test range are effectively predicted. According to the method, the DAA-MBR membrane pollution can be slowed down through intelligent regulation and control and optimization of operation conditions, application of DAA in MBR is promoted, calculation is easy and convenient, practicability is high, and guidance can be provided for process optimization in membrane biological pollution control.

Description

technical field [0001] The invention belongs to the field of sewage treatment, and in particular relates to an intelligent optimization method for improving the efficiency of D-amino acid to slow down membrane fouling in the process of MBR water treatment, that is, a method combining multiple linear regression analysis (MLR) and response surface optimization (RSM), Through the intelligent regulation and optimization prediction of operating condition parameters in the application of D-amino acid in MBR sewage treatment process, the mitigation of MBR membrane fouling is realized and the further application of D-amino acid in MBR system is promoted. Background technique [0002] Membrane Bioreactor (MBR) uses membrane separation device instead of traditional secondary sedimentation tank to achieve effective separation of solid and liquid. It is regarded as one of the new wastewater treatment processes with the most development potential and application prospects. However, membr...

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Problems solved by technology

[0006] The purpose of the present invention is to solve the problems existing in the operation optimization process of using DAA to inhibit MBR membrane biofouling, and propose a combination of MLR and RSM to realize the intelligent regulation and optimization prediction of operating condition parameters in the sewage treatment process of DAA-MBR system new method

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