Anaerobic/anoxic/oxic configuration in hybrid moving bed biofilm reactor-membrane bioreactor for nutrient removal from municipal wastewater

被引：80
作者：
Leyva-Diaz, J. C. [1 ,2 ]
Munio, M. M. [3 ]
Gonzalez-Lopez, J. [2 ]
Poyatos, J. M. [1 ,2 ]
机构：
[1] Univ Granada, Dept Civil Engn, E-18071 Granada, Spain
[2] Univ Granada, Inst Water Res, E-18071 Granada, Spain
[3] Univ Granada, Dept Chem Engn, E-18071 Granada, Spain
来源：
ECOLOGICAL ENGINEERING | 2016年 / 91卷
关键词：
Phosphorus removal; Nitrogen removal; Autotrophic kinetics; Moving bed biofilm reactor; Membrane bioreactor; Wastewater treatment; BIOLOGICAL PHOSPHORUS REMOVAL; PILOT-PLANT EXPERIMENT; 2-STEP NITRIFICATION; NITROGEN REMOVAL; NITRIFYING BACTERIA; SLUDGE; DENITRIFICATION; SYSTEM; SIMULATION; PARAMETERS;
D O I：
10.1016/j.ecoleng.2016.03.006
中图分类号：
Q14 [生态学（生物生态学）];
学科分类号：
071012 ; 0713 ;
摘要：
A membrane bioreactor (MBRp), a hybrid moving bed biofilm reactor-membrane bioreactor containing carriers in the anaerobic, anoxic and aerobic zones (hybrid MBBR-MBRap) and a hybrid moving bed biofilm reactor-membrane bioreactor which contained carriers only in the anaerobic and anoxic compartments (hybrid MBBR-MBRbp) were used in parallel and compared regarding the nutrient and organic matter removal from municipal wastewater. The hydraulic retention time (HRT) was 18 h. A kinetic study for the heterotrophic and autotrophic bacteria, mainly nitrite-oxidizing bacteria (NOB), was carried out and related to the nutrient and organic matter removal. The hybrid MBBR-MBRap performed best regarding chemical oxygen demand (COD) and total phosphorus (TP) removals, with values of 85.82 +/- 2.12% and 81.42 +/- 3.85%, respectively. This system had a higher phosphorus release under anaerobic conditions and a higher phosphorus uptake under aerobic conditions. The highest TN removal efficiency was obtained for the hybrid MBBR-MBRbp, with a value of 61.39 +/- 10.71%. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：449 / 458
页数：10
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