Design and Application of Intensive and Efficient BFM Process
In order to upgrade the effluent standard from level 1 B to level 1 A,a wastewater treatment plant with limit land occupation in Guangdong Province adopted the BFM(BioFilm & Magnetic)process combined of pure moving bed biofilm reactor(MBBR)and super-efficiency separation process to realize original pool reconstruction.The project implementation time is less than 60 days.In view of this situation,the BFM process of pure membrane moving bed biofilm reactor(MBBR)and super-efficient separation are finally adopted.The average effluent of CODCr,BOD5,ammonia nitrogen,TN,SS and TP is(14.0±4.2),(2.5±0.2),(1.1±0.9),(10.7±2.0),(4.1±1.4),(0.1±0.1)mg/L,respectively,and reach the designed discharge standard steadily.The project construction is rapid,and the land occupation is compact.The engineering cost is low due to the original pool reconstruction.Aerobic suspended carrier realizes the effective enrichment of nitrifying bacteria and ensures the effective removal of ammonia nitrogen.Anoxic suspended carrier realizes the effective enrichment of denitrifying bacteria and ensures the standard discharge of total nitrogen.The electricity cost of the project is 0.167 yuan/m3,and the direct operating cost is 0.42 yuan/m3,which provided a technical reference for the implementation of such projects in the future.
moving bed biofilm reactor(MBBR)super-efficiency separation processsuspended carrieroriginal pool reconstructionnitrifying bacteria
万方数据
维普
