Abstract

The technology of aerobic granular sludge has the advantages of high biomass content, high biomass retention, strong ability to withstand shock-loadings, and capacity of simultaneous nitrogen and phosphorus removal; it is a promising option for efficient wastewater treatment. Membrane bioreactor (MBR) is a novel biotechnology for wastewater treatment, and has the potential advantages of low excess sludge production, small land requirement, and high loading rate capability. Thus, the combination of aerobic granular sludge technology and membrane bioreactor was proposed and became the research hotspot and frontier in the field of wastewater treatment. The background, operation characteristics and problems of the combination of the two technologies are discussed and summarized in this study. The latest research achievements and prospects are also presented.

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