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231224s2014 xx |||||o 00| ||eng c |
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|a 10.1016/j.wasman.2013.10.037
|2 doi
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|a pubmed24n0776.xml
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|a (DE-627)NLM232997381
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|a (NLM)24268917
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|a (PII)S0956-053X(13)00523-0
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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 Kasinski, Slawomir
|e verfasserin
|4 aut
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|a Oxygen demand for the stabilization of the organic fraction of municipal solid waste in passively aerated bioreactors
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|c 2014
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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
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|2 rdacarrier
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|a Date Completed 15.09.2014
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|a Date Revised 20.01.2014
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2013 Elsevier Ltd. All rights reserved.
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|a Conventional aerobic waste treatment technologies require the use of aeration devices that actively transport air through the stabilized waste mass, which greatly increases operating costs. In addition, improperly operated active aeration systems, may have the adverse effect of cooling the stabilized biomass. Because active aeration can be a limiting factor for the stabilization process, passive aeration can be equally effective and less expensive. Unfortunately, there are few reports documenting the use of passive aeration systems in municipal waste stabilization. There have been doubts raised as to whether a passive aeration system provides enough oxygen to the organic matter mineralization processes. In this paper, the effectiveness of aeration during aerobic stabilization of four different organic fractions of municipal waste in a reactor with an integrated passive ventilation system and leachate recirculation was analyzed. For the study, four fractions separated by a rotary screen were chosen. Despite the high temperatures in the reactor, the air flow rate was below 0.016 m(3)/h. Using Darcy's equation, theoretical values of the air flow rate were estimated, depending on the intensity of microbial metabolism and the amount of oxygen required for the oxidation of organic compounds. Calculations showed that the volume of supplied air exceeded the microorganisms demand for oxidation and endogenous activity by 1.7-2.88-fold
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|a Journal Article
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|a Aerobic stabilization
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| 650 |
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|a Municipal waste
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|a Passive aeration
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4 |
|a Waste stabilization
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| 650 |
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|a Organic Chemicals
|2 NLM
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| 650 |
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|a Waste Products
|2 NLM
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| 700 |
1 |
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|a Wojnowska-Baryla, Irena
|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 34(2014), 2 vom: 16. Feb., Seite 316-22
|w (DE-627)NLM098197061
|x 1879-2456
|7 nnns
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| 773 |
1 |
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|g volume:34
|g year:2014
|g number:2
|g day:16
|g month:02
|g pages:316-22
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|u http://dx.doi.org/10.1016/j.wasman.2013.10.037
|3 Volltext
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