Membrane bioreactors for sustainable, fit-for-purpose greywater treatment: a critical review

Cecconet, Daniele; Callegari, Arianna; Hlavínek, Petr; Capodaglio, Andrea G.

doi:10.1007/s10098-019-01679-z

Cited by 69 publications

(45 citation statements)

References 105 publications

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“…The use of membrane bioreactors for treating graywater was investigated by Cecconet, Callegari, HlavÃnek, and Capodaglio (2019). Membrane bioreactors were found to provide high-quality effluent and can be used in decentralized treatment if economic investment and fouling issues are addressed.…”

Section: Annual Literature Reviewmentioning

confidence: 99%

Food‐processing wastes

Frenkel

Cummings

Maillacheruvu

et al. 2020

Water Environment Research

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Literature published in 2018 and literature published in 2019 related to food-processing wastes treatment for industrial applications are reviewed. This review is a subsection of the Treatment Systems section of the annual Water Environment Federation literature review and covers the following food-processing industries and applications: general, meat and poultry, fruits and vegetables, dairy and beverage, and miscellaneous treatment of food wastes.

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Section: Annual Literature Reviewmentioning

confidence: 99%

Food‐processing wastes

Frenkel

Cummings

Maillacheruvu

et al. 2020

Water Environment Research

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“…Greywater reuse offers both economic and environmental advantages [ 2 ]. Indeed, it is a way to preserve freshwater resources and face-up water scarcity [ 3 ].…”

Section: Introductionmentioning

confidence: 99%

“…Households without access to the sewer network (septic tanks) can also benefit by decreasing the quantities of wastewater generated. At municipality level, broad greywater reuse can lower the energy consumed for water and wastewater pumping [ 2 , 6 ]. Moreover, sewage will be less diluted, enabling the implementation of waste-to-energy technologies at centralized treatment plants [ 7 , 8 ].…”

Section: Introductionmentioning

confidence: 99%

“…The use of membranes for greywater treatment is very popular in the MBR configuration [ 9 ]. The latter is suitable for small-scale applications such as single-households, small housing complexes and residential buildings [ 2 ].…”

Section: Introductionmentioning

confidence: 99%

“…According to Nghiem et al [ 15 ], the rapid flux decline in direct membrane filtration was attributed to the organics and calcium present in greywater. Other fouling components include particulate matter (organic and inorganic), surfactants and pathogens [ 2 , 4 , 14 , 16 , 17 ]. In order to minimize membrane fouling, it is; thus, necessary to decrease the concentration of organic foulants (particulate and soluble) inside the membrane tank [ 14 ].…”

Section: Introductionmentioning

confidence: 99%

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Performance of a Micro-Scale Membrane Reactor for Greywater Treatment at Household Level

Diamantis

2021

Membranes

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An aerated membrane reactor (25 L working volume) equipped with 1.5 m2 hollow-fiber module was designed and operated using synthetic greywater for household water reuse. Activated sludge (MBR), activated carbon (PAC), zeolite (ZEO) and iron hydroxide (GEH) were added in separate experiments to optimize membrane hydraulic performance and removal efficiency of organics. The use of additives improved permeate quality (in terms of Chemical Oxygen Demand—COD) compared to the direct membrane filtration mode of operation. GEH and MBR were efficient for phosphorus removal, which was not the case for PAC and ZEO. No significant improvement of membrane flux was recorded when PAC, ZEO or GEH were added inside the membrane tank. The MBR system displayed optimum performance during medium-term operation, with COD removal efficiency 85% and permeate flux between 40 and 25 L m−2 h−1. The capital costs of the proposed technology were around 300 € and the operational costs below 80 € yr−1, rendering the process feasible at household level. Greywater treatment systems for household applications are still on their infancy; however, this trend is expected to change due public perception towards circular economy, water conservation and reuse.

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An assessment of technological development and applications of decentralized water reuse: A critical review and conceptual framework

et al. 2022

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Rapid development, urbanization, and population growth have contributed to water stress in many parts of the world. As freshwater sources are finite, it is essential to source for alternatives to ensure water security. Reclamation of non‐conventional water sources (i.e., rainwater and greywater) can be a viable alternative to alleviate water stress. In this work, various laboratory, pre‐commercialization scale, and commercialized products for rainwater harvesting and greywater treatment and reuse were reviewed. As a result, a conceptual framework is proposed to provide an overview on the applicability of technologies under various settings, which were mapped against the intended use of treated water and the potential for water supply expansion. This conceptual framework could aid decision makers in deciding on a suitable decentralized solution for water reclamation depending on limiting criteria. Decentralized systems of rainwater harvesting and greywater treatment for reuse are going to be crucial in reducing the dependence on the centralized water supply. This article is categorized under: Engineering Water > Planning Water Water and Life > Conservation, Management, and Awareness Science of Water > Water Quality

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Membrane bioreactors for sustainable, fit-for-purpose greywater treatment: a critical review

Cited by 69 publications

References 105 publications

Food‐processing wastes

Food‐processing wastes

Performance of a Micro-Scale Membrane Reactor for Greywater Treatment at Household Level

An assessment of technological development and applications of decentralized water reuse: A critical review and conceptual framework

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