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231222s2002 xx ||||| 00| ||eng c |
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|a (NLM)12448486
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Noor, M J M M
|e verfasserin
|4 aut
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|a Performance of an extended aeration-microfiltration (EAM) reactor in treating high strength industrial wastewater
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|c 2002
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|a Text
|b txt
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|a ohne Hilfsmittel zu benutzen
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|2 rdamedia
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|a Date Completed 10.03.2003
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|a Date Revised 22.11.2002
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|a published: Print
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|a Citation Status MEDLINE
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|a A laboratory study was conducted on an Extended Aeration-Microfiltration (EAM) reactor in treating a food industry wastewater. The reactor contained horizontally laid hollow fibre microfiltration (MF) units that were fully submerged. The MF units were connected to a peristaltic pump that was used to extract permeate continuously under suction pressure. Continuous aeration from beneath the modules provided the crossflow effect to the MF units. Active activated sludge was used in the start-up where the sludge was mixed together with the feed water at a Food/Microorganisms (F/M) value of about 0.1. Primary effluent with Chemical Oxygen Demand (COD) values ranged between 1,500 and 3,000 mg/l was used as feed water. The EAM reactor was operated for nearly three months without initiating cleaning of the MF units. A suction pressure of 0.9 bar and Mixed Liquor Suspended Solids (MLSS) of over 5,500 mg/l were reached when nearing the end of the three month operation period. Permeate COD and turbidity reduction of over 97% and 99% respectively, were achieved. Prior to this, the MF module arrangements were studied; where vertically arranged modules were found to perform poorly as compared to the horizontally laid modules, in terms of clean water permeate flux
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|a Journal Article
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|a Industrial Waste
|2 NLM
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|a Muyibi, S A
|e verfasserin
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|a Ahmed, T
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|a Ghazall, A H
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|a Jusoh, A
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|a Idris, A
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|a Ahmadun, F R
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|a Nagaoka, H
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|a Aya, H
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|i Enthalten in
|t Water science and technology : a journal of the International Association on Water Pollution Research
|d 1986
|g 46(2002), 9 vom: 21., Seite 331-8
|w (DE-627)NLM098149431
|x 0273-1223
|7 nnns
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|g volume:46
|g year:2002
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|g day:21
|g pages:331-8
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