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231224s2016 xx |||||o 00| ||eng c |
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|a 10.2166/wst.2016.109
|2 doi
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|a pubmed24n0868.xml
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|a DE-627
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|e rakwb
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|a eng
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|a Düppenbecker, B
|e verfasserin
|4 aut
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| 245 |
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|a Anaerobic treatment of sulfate-containing municipal wastewater with a fluidized bed reactor at 20 °C
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|c 2016
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 02.08.2016
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|a Date Revised 07.12.2022
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|a published: Print
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|a Citation Status MEDLINE
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|a This study focuses on the anaerobic treatment of sulfate-containing municipal wastewater at 20 °C with a fluidized bed reactor. Mean influent chemical oxygen demand (COD) and sulfate concentrations were 481 and 96 mg/l. The response of the COD removal efficiency to increasing organic loading rates (OLR) was investigated. Average total COD removal was 61% at OLR between 2.7 and 13.7 kg COD/(m³·d) and did not distinctly depend on the OLR. To assess the removal efficiency in more detail the COD in- and output mass flows were balanced. The results showed that only 11-12% of the input COD was recovered as gaseous methane. About 12-13% of the input COD remained in the effluent as dissolved methane. Furthermore, a distinct amount of 12-19% of the input COD remained in the reactor as settled sludge and was not further biologically degraded. Due to the reduction by sulfate-reducing bacteria, 13-14% of the input COD was degraded. Further adverse impacts of the influent sulfate on the anaerobic treatment process are discussed as well
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Gases
|2 NLM
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|a Sewage
|2 NLM
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|a Sulfates
|2 NLM
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|a Sulfur Oxides
|2 NLM
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|a Waste Water
|2 NLM
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|a Water Pollutants, Chemical
|2 NLM
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|a Methane
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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 73(2016), 10 vom: 01., Seite 2446-52
|w (DE-627)NLM098149431
|x 0273-1223
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| 773 |
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|g volume:73
|g year:2016
|g number:10
|g day:01
|g pages:2446-52
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|u http://dx.doi.org/10.2166/wst.2016.109
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