Abstract：
: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 Fe2+ 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.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Dong Z,Shang W,Dong W,Zhao L,Li M,Wang R,Sun Fdoi
10.1016/j.biortech.2018.08.087subject
Has Abstractpub_date
2018-12-01 00:00:00pages
113-119eissn
0960-8524issn
1873-2976pii
S0960-8524(18)31191-Xjournal_volume
270pub_type
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