Super-high-rate performance and its mechanisms of a spiral symmetry stream anaerobic bioreactor
作者： Xiaoguang Chen , Ruobin Dai , Shengsheng Ni , Ying Luo , Puyue Ma
DOI: 10.1016/J.CEJ.2016.03.056
关键词:
摘要: Abstract An anaerobic process, termed the spiral symmetry stream bioreactor (SSSAB), had been developed by setting inner components of elliptic plates and gas collection pipes. And our previous study demonstrated that a SSSAB was more efficient stable than same-sized up-flow sludge bed (UASB) reactor. This investigated optimum treatment efficiency super-high-rate mechanisms for SSSAB. The performance with organic loading rate (OLR), volumetric removal (VRR) improved methane production (VMP) 361.5 kg COD/(m 3 d), 268.3 kg COD/(m d) 73.0 m /(m respectively, were revealed lab-scale set in could form flow which increased along shortening hydraulic retention time (HRT). analyzed terms biomass, transfer condition around granules activity. ability achieved entrapment role granular changed to adapt variation OLR. rich channels provided favorable environment substrate product out. difference productions between batch test reactor operation illustrated high concentration especially dramatic mixing significantly responsible super-high
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