Flux flow and cleaning enhancement in a spiral membrane element, using continuous infrasonic backpulsing

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dc.contributor.authorMcLachlan D.S.
dc.contributor.authorKoen D.
dc.contributor.authorSanderson R.D.
dc.date.accessioned2011-05-15T15:58:09Z
dc.date.available2011-05-15T15:58:09Z
dc.date.issued2010
dc.description.abstractThe effect of backpulsing, into the permeate space of a 2.5 inch spiral wrap membrane, on the prevention of fouling (flux enhancement) was investigated experimentally. These experiments were performed using a 500 mg·l-1 dextrin solution and a 100 000 MCWO polypropylene membrane, with a feed pressure of 100 kPa and a cross-flow rate of 1000 l·h-1. Experimental results showed that a backpulse with a duration of about 170 ms, a repeat requency of 1 s and differential peak pulse pressure, measured at the outlet of the permeate space, of 38 kPa gave the best results for the parameters used in the current experiments. In this case the saturation flux with backpulsing was 82% of the clean water value and 3.9 times the saturation flux obtained with no backpulsing.
dc.description.versionArticle
dc.identifier.citationWater SA
dc.identifier.citation36
dc.identifier.citation4
dc.identifier.issn3784738
dc.identifier.urihttp://hdl.handle.net/10019.1/10798
dc.subjectBack pulsing
dc.subjectClean waters
dc.subjectCross flows
dc.subjectFeed pressure
dc.subjectFlux enhancement
dc.subjectFlux flow
dc.subjectInfrasonic
dc.subjectMembrane cleaning
dc.subjectPeak pulse
dc.subjectPolypropylene membrane
dc.subjectSaturation flux
dc.subjectSpiral membrane element
dc.subjectSpiral wrap element
dc.subjectCleaning
dc.subjectExperiments
dc.subjectMembranes
dc.subjectflux measurement
dc.subjectfouling
dc.subjectinfrasonics
dc.subjectmembrane
dc.titleFlux flow and cleaning enhancement in a spiral membrane element, using continuous infrasonic backpulsing
dc.typeArticle
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