A review of recent advancements in the research and application of anaerobic membrane bioreactors
In response to the imperative of wastewater resource utilization and the'carbon peaking and carbon neutrality strategy,'the development of energy-saving,low-carbon,and resource-recovery treatment technologies emerges as a crucial focus in the wastewater and waste treatment.Over the past 40 years,the anaerobic membrane bioreactor(AnMBR),which integrates anaerobic digestion with membrane separation,has garnered significant attentions.This technology boasts advantages such as low energy consumption,energy recovery,and excellent permeate quality,leading to widespread research across various sectors including industrial wastewater,organic solid waste,and municipal wastewater resource and energy utilization.Compared to conventional anaerobic bioreactors,AnMBR significantly enhances digestion efficiency by extending sludge retention time through membrane separation,thereby maintaining high biomass levels in the reactor and facilitating substance degradation and methane conversion.In a bid to advance the engineering application of AnMBR technology and offer technical and theoretical support,the Chinese Journal of Environmental Engineering has commissioned three professors—Li Yuyou,Sheng Guoping,and Li Qian—to organize a special subject on'AnMBR Technology and Organic Wastewater Resource Utilization.'This paper serves as a preface to the topic,summarizing the development history of AnMBR,highlighting key research teams,outlining its applications in organic wastewater resource utilization,and presenting the latest research hotspots.