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231224s2018 xx |||||o 00| ||eng c |
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|a 10.1016/j.wasman.2017.04.038
|2 doi
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|a pubmed24n0904.xml
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|a (DE-627)NLM271423145
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|a (NLM)28456458
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|a (PII)S0956-053X(17)30296-9
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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1 |
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|a Pellera, Frantseska-Maria
|e verfasserin
|4 aut
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|a Chemical pretreatment of lignocellulosic agroindustrial waste for methane production
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|c 2018
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|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 Copyright © 2017 Elsevier Ltd. All rights reserved.
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|a This study investigates the effect of different chemical pretreatments on the solubilization and the degradability of different solid agroindustrial waste, namely winery waste, cotton gin waste, olive pomace and juice industry waste. Eight different reagents were investigated, i.e. sodium hydroxide (NaOH), sodium bicarbonate (NaHCO3), sodium chloride (NaCl), citric acid (H3Cit), acetic acid (AcOH), hydrogen peroxide (H2O2), acetone (Me2CO) and ethanol (EtOH), under three condition sets resulting in treatments of varying intensity, depending on process duration, reagent dosage and temperature. Results indicated that chemical pretreatment under more severe conditions is more effective on the solubilization of lignocellulosic substrates, such as those of the present study and among the investigated reagents, H3Cit, H2O2 and EtOH appeared to be the most effective to this regard. At the same time, although chemical pretreatment in general did not improve the methane potential of the substrates, moderate to high severity conditions were found to generally be the most satisfactory in terms of methane production from pretreated materials. In fact, moderate severity treatments using EtOH for winery waste, H3Cit for olive pomace and H2O2 for juice industry waste and a high severity treatment with EtOH for cotton gin waste, resulted in maximum specific methane yield values. Ultimately, the impact of pretreatment parameters on the different substrates seems to be dependent on their characteristics, in combination with the specific mode of action of each reagent. The overall energy balance of such a system could probably be improved by using lower operating powers and higher solid to liquid ratios
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|a Journal Article
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|a Agroindustrial
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|a Anaerobic digestion
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|a Chemical
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|a Lignocellulosic
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|a Pretreatment
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|a Waste
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|a Industrial Waste
|2 NLM
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|a Solid Waste
|2 NLM
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|a lignocellulose
|2 NLM
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|a 11132-73-3
|2 NLM
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|a Sodium Hydroxide
|2 NLM
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|a 55X04QC32I
|2 NLM
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|a Lignin
|2 NLM
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| 650 |
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|a 9005-53-2
|2 NLM
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| 650 |
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|a Hydrogen Peroxide
|2 NLM
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| 650 |
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|a BBX060AN9V
|2 NLM
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| 650 |
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|a Methane
|2 NLM
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|a OP0UW79H66
|2 NLM
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| 700 |
1 |
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|a Gidarakos, Evangelos
|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 71(2018) vom: 03. Jan., Seite 689-703
|w (DE-627)NLM098197061
|x 1879-2456
|7 nnns
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| 773 |
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|g volume:71
|g year:2018
|g day:03
|g month:01
|g pages:689-703
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|u http://dx.doi.org/10.1016/j.wasman.2017.04.038
|3 Volltext
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