Considering a membrane bioreactor for the treatment of vegetable oil refinery wastewaters at industrially relevant organic loading rates

被引：0
作者：
Elham Abdollahzadeh Sharghi
Azadeh Shourgashti
Babak Bonakdarpour
机构：
[1] Materials and Energy Research Center,Environmental Group, Department of Energy
[2] Amirkabir University of Technology,Department of Chemical Engineering
来源：
Bioprocess and Biosystems Engineering | 2020年 / 43卷
关键词：
Membrane bioreactor; Vegetable oil refinery wastewater; Organic loading rate; Membrane fouling; Mixed liquor physicochemical properties;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The present study aims to shed more light on the use of membrane bioreactors (MBRs) for the treatment of vegetable oil refinery wastewaters (VORWs). A MBR was operated for 157 days in which it was fed with real VORW of varying composition at a range of organic loading rates (0.20 ± 0.05–3.79 ± 0.29 kg COD m−3 day−1). The hitherto unconsidered fate of VORW constituents through the biological process was followed using gas chromatography/mass spectrometry analysis. This analysis revealed that only 19% of the identified feed constituents remained in the MBR effluent whereas ten new compounds were formed. Linear correlation analysis attributed the effluent residual COD to soluble microbial products (SMP) and non-readily biodegradable recalcitrant oily compounds. Trend of change of MLSS, mixed liquor viscosity and SMP with increasing OLR suggested that when MBR is operated under industrial conditions for the VORW treatment, the mixed liquor fouling propensity potentially increases with increasing OLR in the range studied.
引用
收藏
页码：981 / 995
页数：14
相关论文
共 193 条
[31]  
Rajkumar K(2002)Performance evaluation of an activated sludge system for removing petroleum hydrocarbons from oilfield produced water Adv Environ Res 6 455-470
[32]  
Muthukumar M(2015)Evaluation of a MBR pilot treating industrial wastewater with a high COD/N ratio J Chem Technol Biotechnol 90 26-33
[33]  
Sivakumar R(2009)Municipal wastewater treatment in a membrane bioreactor Fresenius Environ Bull 18 2275-2281
[34]  
Sharma S(2012)Influence of mixed liquid suspended solids and hydraulic retention time on oxygen transfer efficiency and viscosity in a submerged membrane bioreactor using pure oxygen to supply aerobic conditions Biochem Eng J 60 135-141
[35]  
Sharma AK(2007)Effect of hydraulic retention time on membrane fouling and biomass characteristics in submerged membrane bioreactors Bioprocess Biosyst Eng 30 359-367
[36]  
Verma S(2014)Performance of a submerged anaerobic membrane bioreactor with forward osmosis membrane for low-strength wastewater treatment Water Res 50 114-123
[37]  
Dodiya HS(2009)Yield stress and rheological characteristics of activated sludge in an airlift membrane bioreactor J Membr Sci 334 83-90
[38]  
Mkhize SP(2014)The effect of solids retention times on the characterization of extracellular polymeric substances and soluble microbial products in a submerged membrane bioreactor Bioresour Technol 163 395-398
[39]  
Atkinson BW(2011)The effect of hydraulic retention time on the performance and fouling characteristics of membrane sequencing batch reactors used for the treatment of synthetic petroleum refinery wastewater Bioresour Technol 102 7692-7699
[40]  
Bux F(2009)Effect of mixed liquor properties on fouling propensity in membrane bioreactors J Membr Sci 342 88-96
12345678910