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Hollow fiber vs. flat sheet MBR for the treatment of high strength stabilized landfill leachate

Show simple item record Hashisho, J. El-Fadel, M Al-Hindi, M Salam, Darine.A Alameddine, I 2022-10-14T12:14:05Z 2022-10-14T12:14:05Z 2016
dc.identifier.citation A critical review of the recently developed laboratory-scale municipal solid waste landfill leachate treatment technologies Siddiqi S.A., Al-Mamun A., Baawain M.S. and Sana A. Sustainable Energy Technologies and Assessments • August 2022
dc.description.abstract The Membrane Bioreactor (MBR) technology is increasingly becoming a prominent process in the treatment of high-strength wastewater such as leachate resulting from the decomposition of waste in landfills. This study presents a performance comparative assessment of flat sheet and hollow fiber membranes in bioreactors for the treatment of relatively stable landfill leachate with the objective of defining guidelines for pilot/full scale plants. For this purpose, a laboratory scale MBR system was constructed and operated to treat a leachate with Chemical Oxygen Demand (COD) (3900–7800 mg/L), Biochemical Oxygen Demand (BOD5) (∼440–1537 mg/L), Total Phosphorus (TP) (∼10–59 mg/L), Phosphate (PO43−) (5–58 mg/L), Total Nitrogen (TN) (1500–5200 mg/L), and ammonium (NH4+) (1770–4410 mg/L). Both membranes achieved comparable BOD (92.2% vs. 93.2%) and TP (79.4% vs. 78.5%) removals. Higher PO43− removal efficiency or percentage (87.3% vs. 81.3%) and slightly higher, but not statistically significant, COD removal efficiency were obtained with the hollow fiber membrane (71.4% vs. 68.5%). On the other hand, the flat sheet membrane achieved significantly higher TN and NH4+ removal efficiencies (61.2% vs. 49.4% and 63.4% vs. 47.8%, respectively), which may be attributed to the less frequent addition of NaOCl compared to the hollow fiber system. © 2015 Elsevier Ltd
dc.language.iso en
dc.publisher Elsevier Ltd
dc.subject Stabilized leachate
dc.subject Membrane bioreactor
dc.subject Hollow fiber
dc.subject Flat sheet
dc.title Hollow fiber vs. flat sheet MBR for the treatment of high strength stabilized landfill leachate
dc.type Article

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