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231225s2017 xx |||||o 00| ||eng c |
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|a 10.1177/0734242X17733538
|2 doi
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|a pubmed24n0926.xml
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|a (NLM)29113577
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Ebrahimzadeh, Reza
|e verfasserin
|4 aut
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| 245 |
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|a A novel kinetic modeling method for the stabilization phase of the composting process for biodegradation of solid wastes
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|c 2017
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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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|a Date Completed 13.08.2018
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|a Date Revised 02.12.2018
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Biomass degradation kinetics of the composting process for kitchen waste, pruned elm tree branches and sheep manure were studied to model changes in volatile solids (VS) over time. Three experimental reactors containing raw mixtures with a carbon to nitrogen (C/N) ratio of 27:1 and a moisture content of 65% were prepared. During the composting process two of the reactors used forced air and the third used natural aeration. The composting stabilization phases in all reactors were completed in 30 days. During this period, composting indexes such as temperature, moisture content and VS changes were recorded. Elementary reactions were used for kinetics modeling of the degradation process. Results showed that the numerical values of rate constant ( k) for zero-order ranged from 0.86 to 1.03 VS×day-1, for first-order models it ranged from 0.01 to 0.02 day-1, for second-order the range was from 1.36×10-5 to 1.78×10-5 VS-1×day-1 and for n-order the rate constant ranged from 0.031 to 0.095 VS(1-n)×day-1. The resulting models were validated by comparing statistical parameters. Evaluation of the models showed that, in the aerated reactors, the n-order models (less than 1) successfully estimated the VS changes. In the non-aeration reactor, for the second-order model good agreement was achieved between the simulated and actual quantities of VS. Also, half-life time provided a useful criterion for the estimation of expected time for completion of different phases of composting
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|a Journal Article
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|a Kitchen waste
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|a compost
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|a elementary reactions
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|a kinetics
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|a rate constant
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4 |
|a volatile solids
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| 650 |
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|a Soil
|2 NLM
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| 650 |
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|a Solid Waste
|2 NLM
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1 |
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|a Ghazanfari Moghaddam, Ahmad
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sarcheshmehpour, Mehdi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Mortezapour, Hamid
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Waste management & research : the journal of the International Solid Wastes and Public Cleansing Association, ISWA
|d 1991
|g 35(2017), 12 vom: 01. Dez., Seite 1226-1236
|w (DE-627)NLM098164791
|x 1096-3669
|7 nnns
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| 773 |
1 |
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|g volume:35
|g year:2017
|g number:12
|g day:01
|g month:12
|g pages:1226-1236
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| 856 |
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|u http://dx.doi.org/10.1177/0734242X17733538
|3 Volltext
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