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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1016/j.wasman.2022.09.004
|2 doi
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|a pubmed25n1155.xml
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|a (DE-627)NLM346666058
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|a (NLM)36150273
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|a (PII)S0956-053X(22)00450-0
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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 Nguyen, Thien-Phuc
|e verfasserin
|4 aut
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|a Effects of oxygen supply rate on organic matter decomposition and microbial communities during composting in a controlled lab-scale composting system
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|c 2022
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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 18.10.2022
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|a Date Revised 18.10.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2022 Elsevier Ltd. All rights reserved.
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|a The study aimed to elucidate the effect of oxygen supply rate (OSR) on the composting of model organic waste independently from other factors by using a controlled laboratory-scale reactor system. Four OSRs, 96.2, 24.2, 13.7, and 3.45 mL-O2/min/kg-WS (wet solid), were tested. The delay of organic matter degradation was observed temporarily in the early stage of composting with 13.7 mL-O2/min/kg-WS and severe oxygen deficiency was observed in lower OSR, indicating that the critical OSR existed around this value. Composting with 3.45 mL-O2/min/kg-WS resulted in constantly low CO2 evolution rate and remarkably low degree of organic matter degradation. Under deficient oxygen, all enzymes measured, such as phosphatases, esterases, lipases, proteases, and sugar degrading enzymes, showed lower activities. High-throughput sequencing revealed Caldibacillus and Ureibacillus became dominant in the later stages of the oxygen deficiency composting, while Geobacillus was the most dominant microorganism throughout composting with OSR higher than 13.7 mL-O2/min/kg-WS
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|a Journal Article
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|a Composting
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|a Enzymatic activities
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|a Microbial community
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|a Oxygen supply
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|a Soil
|2 NLM
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|a Sugars
|2 NLM
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|a Carbon Dioxide
|2 NLM
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|a 142M471B3J
|2 NLM
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|a Esterases
|2 NLM
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|a EC 3.1.-
|2 NLM
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|a Phosphoric Monoester Hydrolases
|2 NLM
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| 650 |
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|a EC 3.1.3.2
|2 NLM
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|a Peptide Hydrolases
|2 NLM
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| 650 |
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|a EC 3.4.-
|2 NLM
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| 650 |
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|a Oxygen
|2 NLM
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| 650 |
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|a S88TT14065
|2 NLM
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| 700 |
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|a Koyama, Mitsuhiko
|e verfasserin
|4 aut
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1 |
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|a Nakasaki, Kiyohiko
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Waste management (New York, N.Y.)
|d 1999
|g 153(2022) vom: 15. Nov., Seite 275-282
|w (DE-627)NLM098197061
|x 1879-2456
|7 nnas
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| 773 |
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|g volume:153
|g year:2022
|g day:15
|g month:11
|g pages:275-282
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|u http://dx.doi.org/10.1016/j.wasman.2022.09.004
|3 Volltext
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