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In lower concentrations, the biodegradation rate remained low, since the BPA concentration in the sludge was lower than 0.5 mg\/g TS; yet, at an influent concentration up to 15 mg\/L, the biodegradation rate was increasing, resulting in 99% BPA removal efficiency. The result for chemical oxygen demand removal showed that BPA concentration has no effect on the heterotrophic bacteria that were responsible for the organic carbon degradation. In higher concentrations, up to 16 mg of BPA was used for each gram of sludge as a source of carbon. However, the activity of autotrophic bacteria, including nitrifiers, was completely halted in the presence of 20 mg\/L of BPA or more. Although nitrification was stopped after day 400, ammonia removal remained higher than 70% due to air stripping. Assimilation by bacteria was the only removal pathway for phosphorus, which resulted in an average 35% of P-PO4 removal efficiency.<\/jats:p>","DOI":"10.2166\/wst.2018.011","type":"journal-article","created":{"date-parts":[[2018,1,23]],"date-time":"2018-01-23T01:10:34Z","timestamp":1516669834000},"page":"1505-1513","update-policy":"https:\/\/doi.org\/10.2166\/iwapcrossmarkpolicypage","source":"Crossref","is-referenced-by-count":15,"title":["Performance of a membrane bioreactor in extreme concentrations of bisphenol A"],"prefix":"10.2166","volume":"77","author":[{"given":"Yassine","family":"Ouarda","sequence":"first","affiliation":[{"name":"Institut National de la Recherch\u00e9 Scientifique-Eau, Terre et Environnement (INRS-ETE), Universit\u00e9 du Qu\u00e9bec, 490 rue de la Couronne, Qu\u00e9bec, QC, Canada, G1 K 9A9"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mehdi","family":"Zolfaghari","sequence":"additional","affiliation":[{"name":"Institut National de la Recherch\u00e9 Scientifique-Eau, Terre et Environnement (INRS-ETE), Universit\u00e9 du Qu\u00e9bec, 490 rue de la Couronne, Qu\u00e9bec, QC, Canada, G1 K 9A9"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Patrick","family":"Drogui","sequence":"additional","affiliation":[{"name":"Institut National de la Recherch\u00e9 Scientifique-Eau, Terre et Environnement (INRS-ETE), Universit\u00e9 du Qu\u00e9bec, 490 rue de la Couronne, Qu\u00e9bec, QC, Canada, G1 K 9A9"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Brahima","family":"Seyhi","sequence":"additional","affiliation":[{"name":"Centre des technologies de l'eau, 696 Avenue Sainte-Croix, Montr\u00e9al, QC, Canada, H4 L 3Y2"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gerardo","family":"Buelna","sequence":"additional","affiliation":[{"name":"Centre de Recherch\u00e9 Industrielle du Qu\u00e9bec (CRIQ), 333 rue Franquet, Qu\u00e9bec, QC, Canada, G1P 4C7"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rino","family":"Dub\u00e9","sequence":"additional","affiliation":[{"name":"Centre de Recherch\u00e9 Industrielle du Qu\u00e9bec (CRIQ), 333 rue Franquet, Qu\u00e9bec, QC, Canada, G1P 4C7"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"945","published-online":{"date-parts":[[2018,1,22]]},"reference":[{"key":"2020090309583945100_WST-EM17540C1","doi-asserted-by":"crossref","first-page":"41","DOI":"10.1016\/j.desal.2011.12.012","article-title":"Treatment of landfill leachate using membrane bioreactors: a review","volume":"287","year":"2012","journal-title":"Desalination"},{"issue":"4","key":"2020090309583945100_WST-EM17540C2","doi-asserted-by":"crossref","first-page":"wpt2006077","DOI":"10.2166\/wpt.2006.077","article-title":"Full scale application of the coupled alternate cycles-membrane bioreactor (AC-MBR) process for wastewater reclamation and reuse","volume":"1","year":"2006","journal-title":"Water 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