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231224s2018 xx |||||o 00| ||eng c |
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|a 10.1080/09593330.2017.1304456
|2 doi
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|a pubmed24n0898.xml
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|a (DE-627)NLM269631917
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|a (NLM)28271960
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|a DE-627
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|c DE-627
|e rakwb
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|a eng
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| 100 |
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|a Dias, D F C
|e verfasserin
|4 aut
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|a Performance evaluation of a natural treatment system for small communities, composed of a UASB reactor, maturation ponds (baffled and unbaffled) and a granular rock filter in series
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|c 2018
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 19.01.2018
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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 Post-treatment of anaerobic reactor effluent with maturation ponds is a good option for small to medium-sized communities in tropical climates. The treatment line investigated, operating in Brazil, with an equivalent capacity to treat domestic sewage from 250 inhabitants, comprised a upflow anaerobic sludge blanket reactor followed by two shallow maturation ponds (unbaffled and baffled) and a granular rock filter (decreasing grain size) in series, requiring an area of only 1.5 m2 inhabitant-1. With an overall hydraulic retention time of only 6.7 days, the performance was excellent for a natural treatment system. Based on over two years of continuous monitoring, median removal efficiencies were: biochemical oxygen demand = 93%, chemical oxygen demand = 79%, total suspended solids = 87%, ammonia = 43% and Escherichia coli = 6.1 log units. The final effluent complied with European discharge standards and WHO guidelines for some forms of irrigation, and appeared to be a suitable alternative for treating domestic sewage for small communities in warm areas, especially in developing countries
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|a Evaluation Study
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|a Journal Article
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|a Sewage
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|a UASB reactor
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|a baffled pond
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| 650 |
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|a granular rock filter
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|a shallow maturation ponds
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|a Ammonia
|2 NLM
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| 650 |
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|a 7664-41-7
|2 NLM
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| 700 |
1 |
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|a Passos, R G
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Rodrigues, V A J
|e verfasserin
|4 aut
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| 700 |
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|a de Matos, M P
|e verfasserin
|4 aut
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| 700 |
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|a Santos, C R S
|e verfasserin
|4 aut
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| 700 |
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|a von Sperling, M
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Environmental technology
|d 1993
|g 39(2018), 4 vom: 03. Feb., Seite 490-502
|w (DE-627)NLM098202545
|x 1479-487X
|7 nnns
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| 773 |
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|g volume:39
|g year:2018
|g number:4
|g day:03
|g month:02
|g pages:490-502
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