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20240510232352.0 |
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231226s2024 xx |||||o 00| ||eng c |
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|a 10.1080/09593330.2023.2179421
|2 doi
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2 |
|a pubmed24n1403.xml
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|a (DE-627)NLM352962046
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|a (NLM)36789628
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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 Ferdowsi, Milad
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Prolonged operation of a methane biofilter from acclimation to the failure stage
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1 |
|c 2024
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 09.05.2024
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|a Date Revised 09.05.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Global warming needs immediate attention to reduce major greenhouse gas emissions such as methane (CH4). Bio-oxidation of dilute CH4 emissions in packed-bed bioreactors such as biofilters has been carried out over recent years at laboratory and large scales. However, a big challenge is to keep CH4 biofilters running for a long period. In this study, a packed-bed lab-scale bioreactor with a specialized inorganic-based filter bed was successfully operated over four years for CH4 elimination. The inoculation of the bioreactor was the active leachate of another CH4 biofilter which resulted in a fast acclimation and removal efficiency (RE) reached 80% after seven weeks of operation for CH4 inlet concentrations ranging from 700 to 800 ppmv and an empty bed residence time (EBRT) of 6 min. During four years of operation, the bioreactor often recorded REs higher than 65% for inlet concentrations in the range of 1900-2200 ppmv and an EBRT of 6 min. The rate and interval of the nutrient supply played an important role in maintaining the bioreactor's high performance over the long operation. Forced shutdowns were unavoidable during the 4-year operation and the bioreactor fully tolerated them with a partial recovery within one week and a progressive recovery over time. In the end, the bioreactor's filter bed started to deteriorate due to a long shutdown of twelve weeks and the extended operation of four years when the RE dropped to below 8% with no sign of returning to its earlier performance
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|a Journal Article
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|a Biofiltration
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| 650 |
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|a climate change
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| 650 |
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|a long-term operation
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| 650 |
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4 |
|a methane
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| 650 |
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4 |
|a nutrient starvation
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| 650 |
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|a Methane
|2 NLM
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| 650 |
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|a OP0UW79H66
|2 NLM
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| 650 |
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7 |
|a Air Pollutants
|2 NLM
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| 700 |
1 |
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|a Khabiri, Bahman
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Buelna, Gerardo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jones, J Peter
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Heitz, Michèle
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Environmental technology
|d 1993
|g 45(2024), 13 vom: 11. Mai, Seite 2589-2598
|w (DE-627)NLM098202545
|x 1479-487X
|7 nnns
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| 773 |
1 |
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|g volume:45
|g year:2024
|g number:13
|g day:11
|g month:05
|g pages:2589-2598
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|u http://dx.doi.org/10.1080/09593330.2023.2179421
|3 Volltext
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