Research Progress on Influencing Factors and Nitrogen and Phosphorus Removal of Biological Aerated Filter
Biological aerated filter(BAF)was a new biological treatment technology of sewage which integrated adsorption,filtration and biological oxidation.The factors affecting the operation effect of BAF,such as filling,hydraulic load,gas-water ratio,backwash,C/N,temperature,etc.,were introduced.The latest research progress of BAF in the removal of various pollutants in water was reviewed,and the advantages and disadvantages of this process in organic and suspended matter removal,nitrification and ammonia removal,nitrogen and phosphorus removal,coupled with other processes were described,which provided certain scientific reference for the development and application of BAF.
biological aerated filternitrogen and phosphorus removalwater treatmentbio-contact oxidationcombined process
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