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CRITICAL FLUX DETERMINATION BY THE FLUX-STEP METHOD IN A SUBMERGED MEMBRANE BIOREACTOR
Nibusina Veronika Igorevna
Nizhny Novgorod State University of Architecture and Civil Engineering
master student
Nizhny Novgorod State University of Architecture and Civil Engineering
master student
Abstract
A standard flux-step method has been developed for assessing fouling in а membrane bioreactor operating at constant flux. Three keys parameters based on transmembrane pressure (TMP) were derived to depict fouling behaviour and identify the onset of fouling at the critical flux. The three TMP-based parameters all indicated roughly the same flux value at which fouling started to become significant. It was concluded that flux-step determination of the critical flux cannot be used to predict long-term TMP behaviour in real MBR systems, but nonetheless provides useful data on comparative fouling propensity.
Keywords: critical flux, domestic wastewater treatment, membrane bioreactor, TMP
Category: 05.00.00 Technical sciences
Article reference:
Critical flux determination by the flux-step method in a submerged membrane bioreactor // Modern scientific researches and innovations. 2016. № 11 [Electronic journal]. URL: https://web.snauka.ru/en/issues/2016/11/74353
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