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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1016/j.wasman.2018.08.011
|2 doi
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|a pubmed24n0965.xml
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|a (DE-627)NLM289782058
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|a (NLM)30343770
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|a (PII)S0956-053X(18)30499-9
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a De Gisi, Sabino
|e verfasserin
|4 aut
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|a Alternating pure oxygen and air cycles for the biostabilization of unsorted fraction of municipal solid waste
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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
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|2 rdacarrier
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|a Date Completed 12.09.2019
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|a Date Revised 12.09.2019
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2018 Elsevier Ltd. All rights reserved.
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|a Biostabilisation is a process of treating the unsorted fraction of municipal solid waste (UFMSW) mechanically pre-treated. Although concepts such as circular economy would seem to limit biostabilization, several authors have recently described the advantages of biostabilization in regions where recycling systems are inadequate. In this perspective, the development of new MBT technologies is of considerable importance. The objective of the study was to evaluate the effects of the use of alternating air and oxygen cycles on the treated waste stability as well as on the quality of leachate and process gaseous emissions. Two Herhof biocells were prepared for this purpose. One implemented the conventional process and the other the "Air + O2" process. The biostabilization of the inlet UFMSW (3965 ± 1965 mgO2/kgVS/h) resulted in a final product with a dynamic respirometric index almost equal in both processes. The mass balance indicated that of the 400 tons representing the input waste, 37.57% were biostabilized waste, 0.29% leachate and 62.14% CO2 and odours. However, the biostabilized waste was lower than that of the conventional process (equal to 40.18%). The Air + O2 system resulted in a shorter duration, increased production of leachate (although characterized by higher quality) and process gaseous emissions quality. The energy balance (20.3 kJ/kg per input waste) and cost analysis (80.0 €/ton per input waste) showed values equal or better to those of the conventional system. By contrast, weakness was in the O2 diffusion system. Although a life cycle analysis is necessary, the results highlighted the feasibility of the proposal especially for emergency situations
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|a Journal Article
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|a Emergency conditions
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|a Energy and material balance sheet
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|a Leachate
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|a Mechanical-biological treatment
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|a Odour
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|a Respirometric index
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|a Gases
|2 NLM
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|a Solid Waste
|2 NLM
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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 Todaro, Francesco
|e verfasserin
|4 aut
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|a Fedele, Gabriella
|e verfasserin
|4 aut
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| 700 |
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|a Carella, Carmine
|e verfasserin
|4 aut
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|a Notarnicola, Michele
|e verfasserin
|4 aut
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|i Enthalten in
|t Waste management (New York, N.Y.)
|d 1999
|g 79(2018) vom: 01. Sept., Seite 404-414
|w (DE-627)NLM098197061
|x 1879-2456
|7 nnns
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|g volume:79
|g year:2018
|g day:01
|g month:09
|g pages:404-414
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|u http://dx.doi.org/10.1016/j.wasman.2018.08.011
|3 Volltext
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