Performance of a submerged membrane bioreactor for the aerobic treatment of abattoir wastewater

Keskes, Sajiâa; Hmaïed, Fatma; Gannoun, Hana; Bouallagui, Hassib; Godon, Jean Jacques; Hamdi, Moktar

doi:10.1016/j.biortech.2011.09.063

Cited by 50 publications

(22 citation statements)

References 29 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…This result indicated a limited rate of microorganism growth and biomass decay in a relatively autotrophic run [26]. Under such an oligotrophic environment, organic carbon was likely to be taken up by the starved community to derive energy for system sustainability rather than assimilated for microbial growth, and the significantly decreased K d is likely due to the lower aeration intensity [27], [28]. In summary, we preliminarily concluded that the sludge reduction in R 0 was a result of both source reduction (influent organic carbon) and process reduction (bio-metabolism pathways).…”

Section: Resultsmentioning

confidence: 97%

Analysis of Nitrification Efficiency and Microbial Community in a Membrane Bioreactor Fed with Low COD/N-Ratio Wastewater

Wang

Zhu

et al. 2013

PLoS ONE

View full text Add to dashboard Cite

In this study, an approach using influent COD/N ratio reduction was employed to improve process performance and nitrification efficiency in a membrane bioreactor (MBR). Besides sludge reduction, membrane fouling alleviation was observed during 330 d operation, which was attributed to the decreased production of soluble microbial products (SMP) and efficient carbon metabolism in the autotrophic nitrifying community. 454 high-throughput 16S rRNA gene pyrosequencing revealed that the diversity of microbial sequences was mainly determined by the feed characteristics, and that microbes could derive energy by switching to a more autotrophic metabolism to resist the environmental stress. The enrichment of nitrifiers in an MBR with a low COD/N-ratio demonstrated that this condition stimulated nitrification, and that the community distribution of ammonia oxidizing bacteria (AOB) and nitrite oxidizing bacteria (NOB) resulted in faster nitrite uptake rates. Further, ammonia oxidation was the rate-limiting step during the full nitrification.

show abstract

Section: Resultsmentioning

confidence: 97%

Analysis of Nitrification Efficiency and Microbial Community in a Membrane Bioreactor Fed with Low COD/N-Ratio Wastewater

Wang

Zhu

et al. 2013

PLoS ONE

View full text Add to dashboard Cite

show abstract

“…Conversely, the operating costs of aerobic systems are higher than those for anaerobic systems due to the maintenance and energy requirements for artificial oxygenation. There are different aerobic unit operations for SWW treatment, such as aerobic AS, rotating biological contactors (RBCs), and sequencing batch reactors (SBRs) [39].…”

Section: Aerobic Treatmentmentioning

confidence: 99%

Slaughterhouse Wastewater: Treatment, Management and Resource Recovery

Bustillo-Lecompte¹,

Mehrvar²

2017

Physico-Chemical Wastewater Treatment and Resource Recovery

View full text Add to dashboard Cite

The meat processing industry is one of the largest consumers of total freshwater used in the agricultural and livestock industry worldwide. Meat processing plants (MPPs) produce large amounts of slaughterhouse wastewater (SWW) because of the slaughtering process and cleaning of facilities. SWWs need significant treatment for a sustainable and safe discharge to the environment due to the high content of organics and nutrients. Therefore, the treatment and final disposal of SWW are a public health necessity. In this chapter, the regulatory frameworks relevant to the SWW management, environmental impacts, health effects, and treatment methods are discussed. Although physical, chemical, and biological treatment can be used for SWW degradation, each treatment process has different advantages and drawbacks depending on the SWW characteristics, best available technology, jurisdictions, and regulations. SWWs are typically assessed using bulk parameters because of the various pollutant loads derived from the type and the number of animals slaughtered that fluctuate amid the meat industry. Thus, an on-site treatment using combined processes would be the best option to treat and disinfect the slaughterhouse effluents to be safely discharged into receiving waters.

show abstract

“…Experimental set-up and operating conditions were described in Keskes et al [22]. The ultrafiltration membranes were bundle of polysulfone hollow fibers; nominal pore size of membranes was (0.03-0.4 mm).…”

Section: Sampling Proceduresmentioning

confidence: 99%

Removal of Rotavirus and Bacteriophages by Membrane Bioreactor Technology from Sewage

Hmaïed

Keskes²,

Jebri

et al. 2015

Curr Microbiol

View full text Add to dashboard Cite

Human enteric viruses constitute a public health concern due to their low infectious dose and their resistance to environmental factors and to inactivation processes. We aimed at assessing the performance of a laboratory scale Submerged membrane bioreactor (SMBR) treating abattoir wastewaters for Rotavirus (RV) and total coliphages removal. We also aimed at evaluating removal efficiency of enteric viruses through conventional activated sludge treatment by measuring concentrations of total coliphages, considered as fecal and viral contamination indicators, with double-layer agar technique. The Log10 reduction values of bacteriophages ranged from 1.06 to 1.47. Effluents were analyzed to investigate and quantify RV, hepatitis A virus (HAV), Hepatitis E virus (HEV), Noroviruses genogroup I (NoV GI) and genogroup II (NoVGII), and Enterovirus (EV) by real-time PCR, using standardized detection kits (ceeramTools detection kits(®)). All effluent samples were positive for RV; concentrations ranged from 5.2 × 10(5) to 1.3 × 10(7) genome copies/L. These results highlight the inefficiency of conventional biological process for viral removal. A complete removal of RV during Membrane Bioreactor treatment was obtained. To the best of our knowledge, this is the first study providing an evidence of removal of RV simultaneously with total coliphages by SMBR.

show abstract

Performance of a submerged membrane bioreactor for the aerobic treatment of abattoir wastewater

Cited by 50 publications

References 29 publications

Analysis of Nitrification Efficiency and Microbial Community in a Membrane Bioreactor Fed with Low COD/N-Ratio Wastewater

Analysis of Nitrification Efficiency and Microbial Community in a Membrane Bioreactor Fed with Low COD/N-Ratio Wastewater

Slaughterhouse Wastewater: Treatment, Management and Resource Recovery

Removal of Rotavirus and Bacteriophages by Membrane Bioreactor Technology from Sewage

Contact Info

Product

Resources

About