Removal of Pathogens by Membrane Bioreactors: A Review of the Mechanisms, Influencing Factors and Reduction in Chemical Disinfectant Dosing
By F. Hai, T. Riley, Samia Shawkat, S. Magram, Kazuo Yamamoto. 2014
138 citations recorded by the source corpus.
The continued depletion of fresh drinking water resources throughout the world has increased the need for a variety of water treatment and recycling strategies. Conventional wastewater treatment processes rely on extensive chemical post-disinfection to comply with the stringent microbiological safety for water reuse. When well designed and operated, membrane bioreactors (MBRs) can consistently achieve efficient removals of suspended solids, protozoa and coliform bacteria. Under optimal conditions, MBR systems can also significantly remove various viruses and phages. This paper provides an in-depth overview of the mechanisms and influencing factors of pathogen removal by MBR and highlights practical issues, such as reduced chemical disinfectant dosing requirements and associated economic and environmental benefits. Special attention has been paid to the aspects, such as membrane cleaning, membrane imperfections/breach and microbial regrowth, in the distribution system on the overall pathogen removal performance of MBR.
Subfields: Health, Toxicology and Mutagenesis, Industrial and Manufacturing Engineering, Water Science and Technology
View Paper: https://www.semanticscholar.org/paper/0b1040ca360e617a3a04fa46fb4c43f7efb67bc1
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Citations in the corpus
- Status of pathogens, antibiotic resistance genes and antibiotic residues in wastewater treatment systems (2017, methodology): “It was proven that the systems with MBR provide better removal of pathogens compared to CAS systems (Hai et al. 2014; Harb and Hong 2017).”