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231223s2007 xx ||||| 00| ||eng c |
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|a pubmed24n0578.xml
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|a (DE-627)NLM173346928
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|a (NLM)17824534
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Lautenschlager, Sandro R
|e verfasserin
|4 aut
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| 245 |
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|a A net water production model for ultrafiltration including flow direction reversal and chemically assisted backwashing
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|c 2007
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| 336 |
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|a Text
|b txt
|2 rdacontent
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| 337 |
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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| 338 |
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|a Band
|b nc
|2 rdacarrier
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|a Date Completed 16.10.2007
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|a Date Revised 23.09.2019
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|a published: Print
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|a Citation Status MEDLINE
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|a Flow direction reversal (FDR) was proposed as a novel method to increase net water production (NWP) during cross-flow ultrafiltration. The design of the pilot-plant study allowed measurement of specific flux recovery after each chemically assisted backwash (BW) combined with FDR and after each FDR at the midpoint of each BW/FDR cycle. The percent recovery of specific flux was higher following FDR (55%) than combined BW and FDR (53%) at lower chemical dosages; however, the percent increase in specific flux recovery by FDR was much lower (20%) when the chemical dose was doubled. A mathematical model was developed to predict the NWP achieved by any combination ofBW/ FDR and FDR frequency. For example, the advantage of introducing FDR was demonstrated at the lower chlorine dose, whereby the percent increase in NWP by alternating 15-minute intervals of BW/FDR with FDR over BW/ FDR alone was 10% for 30-minute BW/FDR intervals and 2% for 15-minute BW/FDR intervals
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|a Journal Article
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| 650 |
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|a Research Support, Non-U.S. Gov't
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| 700 |
1 |
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|a DiGiano, Francis A
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Schuler, Andrew J
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ferreira, Sidney Seckler Filho
|e verfasserin
|4 aut
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| 773 |
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8 |
|i Enthalten in
|t Water environment research : a research publication of the Water Environment Federation
|d 1998
|g 79(2007), 8 vom: 18. Aug., Seite 877-86
|w (DE-627)NLM098214292
|x 1554-7531
|7 nnns
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| 773 |
1 |
8 |
|g volume:79
|g year:2007
|g number:8
|g day:18
|g month:08
|g pages:877-86
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|a GBV_ILN_350
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|a AR
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| 952 |
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|d 79
|j 2007
|e 8
|b 18
|c 08
|h 877-86
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