The study of pathogenic microbial communities in graywater using membrane bioreactor

Jong, Jisun; Lee, Jaejin; Kim, Joonkyu; Hyun, Kyoung-Hak; Hwang, Tae-Mun; Park, Joonhong; Choung, Youn-Kyoo

doi:10.1016/j.desal.2009.09.025

Cited by 37 publications

(12 citation statements)

References 13 publications

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“…However, due to the variability in parameter information provided in the studies reviewed, an overall analysis of these parameters was not performed in this review. An additional study of an AAO MBR reported LRVs of indicator bacteria in the range of 0.1 to 0.7 [114], however these results represent a significant outlier as compared to the rest of existing literature. With the exception of the aforementioned, all of the MBR systems studied using culture-based methods have shown improved microbial indicator removal rates as compared to conventional WWTP processes [115][116][117].…”

Section: Pathogen-associated Risk Reduction By Membrane Bioreactorscontrasting

confidence: 42%

Anaerobic Membrane Bioreactor Effluent Reuse: A Review of Microbial Safety Concerns

Harb¹,

Hong²

2017

Fermentation

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Broad and increasing interest in sustainable wastewater treatment has led a paradigm shift towards more efficient means of treatment system operation. A key aspect of improving overall sustainability is the potential for direct wastewater effluent reuse. Anaerobic membrane bioreactors (AnMBRs) have been identified as an attractive option for producing high quality and nutrient-rich effluents during the treatment of municipal wastewaters. The introduction of direct effluent reuse does, however, raise several safety concerns related to its application. Among those concerns are the microbial threats associated with pathogenic bacteria as well as the emerging issues associated with antibiotic-resistant bacteria and the potential for proliferation of antibiotic resistance genes. Although there is substantial research evaluating these topics from the perspectives of anaerobic digestion and membrane bioreactors separately, little is known regarding how AnMBR systems can contribute to pathogen and antibiotic resistance removal and propagation in wastewater effluents. The aim of this review is to provide a current assessment of existing literature on anaerobic and membrane-based treatment systems as they relate to these microbial safety issues and utilize this assessment to identify areas of potential future research to evaluate the suitability of AnMBRs for direct effluent reuse.

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Section: Pathogen-associated Risk Reduction By Membrane Bioreactorscontrasting

confidence: 42%

Anaerobic Membrane Bioreactor Effluent Reuse: A Review of Microbial Safety Concerns

Harb¹,

Hong²

2017

Fermentation

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“…Nitrate (mg/L)5–98%26–8280%–52–63%24 to 58%T. Phosp (mg/L)Up to 100%Up to 71%––Up to 19%10 to 39%FC (CFU)––88.5–99.9%Up to 99%– E. coli (CFU)Up to 100%–88.5–99.9%––Ca (mg/L)Up to 100%–––––Mg (mg/L)Up to 100%–––––Na (mg/L)47%––––– a Al-Hamaiedeh and Bino (2010); Dalahmeh et al (2012); Finley et al (2009); Gross (2008); Parjane and Sane (2011); Zuma et al (2009) b Gross (2008); Gross et al (2007); Travis et al (2010) c Hernandez Leal et al (2010); Krishnan et al (2008); Lamine et al (2007); Scheumann and Kraume (2009) d Friedler et al (2011); Gilboa and Friedler (2008); Pathan et al (2011) e Atanasova et al (2017); Huelgas and Funamizu (2010); Jong et al (2010); Merz et al (2007) f Abdel-Shafy et al (2015); Elmitwalli et al (2007); Hernandez Leal et al (2010)…”

Section: Filtrationmentioning

confidence: 99%

“…Huelgas and Funamizu (2010) studied the treatment of greywater using a laboratory scale MBR under varying pressure. Jong et al (2010) also used anaerobic-anoxic-oxic MBR to treat greywater in Korea with microfilter of pore size 0.45 μm. These systems could achieve very good effluent which meets regulatory standards for reuse.…”

Section: Membrane Bioreactormentioning

confidence: 99%

Greywater Characteristics, Treatment Systems, Reuse Strategies and User Perception—a Review

Oteng-Peprah

Acheampong

DeVries

2018

Water Air Soil Pollut

237

102

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This paper presents a literature review of the quality of greywater generated in different, especially developing, countries, constituents found in greywater, some treatment systems, natural materials for treatment, some reuse strategies and public perception regarding greywater reuse. The review shows that generation rates are mostly influenced by lifestyle, types of fixtures used and climatic conditions. Contaminants found in greywater are largely associated with the type of detergent used and influenced by other household practices. Many of the treatment systems reviewed were unable to provide total treatment as each system has its unique strength in removing a group of targeted pollutants. The review revealed that some naturally occurring materials such as Moringa oleifera, sawdust, can be used to remove targeted pollutants in greywater. The study further showed that user perceptions towards greywater treatment and reuse were only favourable towards non-potable purposes, mostly due to perceived contamination or lack of trust in the level of treatment offered by the treatment system.

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“…Although effluent turbidity (0.23-1.90 NTU) in the present study satisfied wastewater reclamation standards (NTU ≤ 5, GB/T 25499-2010, China), Giardia may leak from the MBR system at a relatively high concentration. Turbidities of 1.5 ± 0.4 and 0-6 (average 1.63) NTU in effluents have also been reported for MBR effluents with pore size < 0.4 and 0.45 μm, respectively (Jong et al, 2010;Rodríguez-Hernández et al, 2013), suggesting that leakage of particles may be a frequently occurring problem in actual application. This is understandable since membranes are under stress (e.g., high shear stress, existence of sharp particles) in an MBR system.…”

Section: Occurrence Of Giardia In Reclaimed Water Samplesmentioning

confidence: 96%

“…The combination of biological wastewater treatment and membrane separation, known as the membrane bioreactor (MBR) process, has attracted particular interest because of its advantages in achieving nutrient removal and disinfection in only one step (Jefferson et al, 2000). However, Jong et al (2010) reported that microfiltration membranes (pore size 0.45 μm) in MBR did not perfectly remove microorganisms such as Escherichia coli, Salmonella sp., Staphylococcus aureus and Coliform. This could cause particular concerns over the release of pathogens when membrane integrity failure occurs, as pathogens may be concentrated in activated sludge in an MBR system.…”

Section: Introductionmentioning

confidence: 99%

Risk assessment of Giardia from a full scale MBR sewage treatment plant caused by membrane integrity failure

Chen

et al. 2015

Journal of Environmental Sciences

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Membrane bioreactors (MBR) are highly efficient at intercepting particles and microbes and have become an important technology for wastewater reclamation. However, many pathogens can accumulate in activated sludge due to the long residence time usually adopted in MBR, and thus may pose health risks when membrane integrity problems occur.This study presents data from a survey on the occurrence of water-borne Giardia pathogens in reclaimed water from a full-scale wastewater treatment plant with MBR experiencing membrane integrity failure, and assessed the associated risk for green space irrigation. Due . This study suggested that membrane integrity is very important for keeping a low pathogen level, and multiple barriers are needed to ensure the biological safety of MBR effluent.

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The study of pathogenic microbial communities in graywater using membrane bioreactor

Cited by 37 publications

References 13 publications

Anaerobic Membrane Bioreactor Effluent Reuse: A Review of Microbial Safety Concerns

Anaerobic Membrane Bioreactor Effluent Reuse: A Review of Microbial Safety Concerns

Greywater Characteristics, Treatment Systems, Reuse Strategies and User Perception—a Review

Risk assessment of Giardia from a full scale MBR sewage treatment plant caused by membrane integrity failure

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