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231224s2013 xx |||||o 00| ||eng c |
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|a 10.1177/0734242X13485867
|2 doi
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|a pubmed24n0757.xml
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|a DE-627
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|a eng
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| 100 |
1 |
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|a Aluko, Olufemi Oludare
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Evaluation of leachate treatment by trickling filter and sequencing batch reactor processes in Ibadan, Nigeria
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|c 2013
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a Date Completed 09.01.2014
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|a Date Revised 10.12.2019
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Strong and highly polluting leachate is continuously discharged into Omi stream and its tributaries in Ibadan, southwest Nigeria, from a municipal solid waste landfill. Previous studies have targeted physical and chemical treatment methods, which could not be implemented on site as stand-alone treatment systems. This study explored the bench-scale, trickling filter (TF) and sequencing batch reactor (SBR) treatment processes and assessed the quality of effluents produced. Leachate treatment using TF produced effluents with significant reductions (%) in suspended solids (SS) (73.17%), turbidity (71.96%), biochemical oxygen demand (BOD5) (76.69%) and ammonia (NH3) (59.50%), while SBR produced effluents with reductions in SS (62.28%), BOD5 (84.06%) and NH3 (64.83%). The dissolved oxygen of the reactors was 4.7 and 6.1mg/l, respectively, in TF and SBR. Also, NH3 values reduced marginally; however, nitrification took place significantly, but within permissible limits. The effluents produced by biological treatment processes were better in quality though the mean residual concentrations for colour, SS and dissolved solids; BOD5 and iron were above the national regulatory standards for discharge into surface water bodies. SBR gave a better effluent quality and should be combined with other treatment methods in sequence to produce quality effluents
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|a Evaluation Study
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|a Journal Article
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|a Landfill leachates
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|a Nigeria
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|a aerobic treatment
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|a environmental pollution
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|a sequencing batch reactor
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|a trickling filter
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| 650 |
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|a Water Pollutants, Chemical
|2 NLM
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| 700 |
1 |
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|a Sridhar, Mynepalli K C
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Waste management & research : the journal of the International Solid Wastes and Public Cleansing Association, ISWA
|d 1991
|g 31(2013), 7 vom: 21. Juli, Seite 700-5
|w (DE-627)NLM098164791
|x 1096-3669
|7 nnns
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| 773 |
1 |
8 |
|g volume:31
|g year:2013
|g number:7
|g day:21
|g month:07
|g pages:700-5
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|u http://dx.doi.org/10.1177/0734242X13485867
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