Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/83692
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dc.contributor.authorLiu, Ya-Juan.en
dc.contributor.authorSun, Darren Delaien
dc.date.accessioned2013-08-02T03:19:07Zen
dc.date.accessioned2019-12-06T15:28:11Z-
dc.date.available2013-08-02T03:19:07Zen
dc.date.available2019-12-06T15:28:11Z-
dc.date.copyright2011en
dc.date.issued2011en
dc.identifier.citationLiu, Y. J.,& Sun, D. D. (2012). Particles size-associated membrane fouling in microfiltration of denitrifying granules supernatant. Chemical Engineering Journal, 181-182, 494-500.en
dc.identifier.issn1385-8947en
dc.identifier.urihttps://hdl.handle.net/10356/83692-
dc.description.abstractThe aim of this study was to investigate particle size-associated membrane fouling in microfiltration of supernatants separated gravitationally from three denitrifying granular sludge sequencing batch reactors (SBRs, named as R1, R2 and R3) fed with different calcium concentrations of 0, 50 and 100 mg Ca2+/L, respectively. The permeate flux decline, membrane resistances and the relative contribution of cake resistance were determined and compared for particles in the ranges of 2.7–1.0 m, 1.0–0.45 m, 0.45–0.22 m and <0.22 m. Results showed that particles with the mean size of 1.0–2.7 m in R1–R3 supernatants formed thin and dense cake layer, contributing more severe fouling than other size particles. The relative contributions of particles with size of 1.0–2.7 m to the cake resistances were found above 86.82%. Membrane fouling of supernatant due to the particles smaller than 1.0 m was responsible to both cake and pore blocking. It was also found that the addition of calcium in SBRs could help to reduce concentrations of fine particles, colloids and soluble extracellular polymeric substances (sEPS), and subsequently led to the reduction of membrane fouling.en
dc.language.isoenen
dc.relation.ispartofseriesChemical engineering journalen
dc.titleParticles size-associated membrane fouling in microfiltration of denitrifying granules supernatanten
dc.typeJournal Articleen
dc.contributor.schoolSchool of Civil and Environmental Engineeringen
dc.identifier.doi10.1016/j.cej.2011.12.009en
item.grantfulltextnone-
item.fulltextNo Fulltext-
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