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Suppression of membrane fouling in the ceramic membrane bioreactor (CMBR) by minute electric field.

08:00 EDT 4th September 2018 | BioPortfolio

Summary of "Suppression of membrane fouling in the ceramic membrane bioreactor (CMBR) by minute electric field."

Three ceramic MBRs (CMBR) installed with varied electrodes, i.e. Cu, Ti and Fe, were operated in parallel under the minute electric field to evaluate their suppression effect on membrane fouling, by comparison with control CMBR. Fe-CMBR released Fe continuously to induce a higher organic removal efficiency and a smooth fouling rate. There was significant electric-flocculation effect in the Fe-CMBR, reflected by the increased sludge particle size and zeta potential, and to improve sludge filterability. Application of minute electric field could also affect the CMBR supernatant organic content and components, which was another reason for fouling mitigation. The formed membrane fouling layer was more easily to be detached by simple backwashing in all electric CMBRs, since that there were significant electric repulsive force to prevent foulants deposition.

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This article was published in the following journal.

Name: Bioresource technology
ISSN: 1873-2976
Pages: 113-119

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