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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1016/j.wasman.2018.12.018
|2 doi
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|a pubmed25n0980.xml
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|a (DE-627)NLM294284176
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|a (NLM)30803615
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|a (PII)S0956-053X(18)30760-8
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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 Itoh, Takanori
|e verfasserin
|4 aut
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|a A new torrefaction system employing spontaneous self-heating of livestock manure under elevated pressure
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|c 2019
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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 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 This report describes a new oxidative torrefaction method employing spontaneous self-heating of feedstock as a means of overcoming practical difficulties in converting livestock manure to biochar. We examined the initiating temperature required to induce self-heating of wet dairy cattle manure under 1.0 MPa pressure and conducted elemental and calorific analyses of the solid products prepared at 200, 250, and 300 °C. Self-heating was initiated with oxidation below 100 °C, and the lower limit of the initiation temperature was between 85 and 90 °C. Comparing processes performed at 0.1 and 1.0 MPa, the higher pressure promoted self-heating by both preventing heat loss due to moisture evaporation occurring at approximately 100 °C and supplying oxygen to the high-moisture feedstock. In addition, as drying occurred at 160-170 °C during the process, the system did not require pre- or post-drying. Although the heating values of the solid products decreased due to high ash content, the elemental composition of the products was altered to that of peat-like (200 °C) and lignite-like (250 and 300 °C) materials. Cessation of self-heating of the manure is recommended at approximately 250 °C to avoid severe decomposition at higher temperatures. Overall, these results demonstrated the utility of the proposed method for converting wet manure into dried biochar through self-heating as well as potential applications in manure management systems
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|a Journal Article
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|a Biochar
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|a Elevated pressure
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|a Manure management
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|a Oxidation
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|a Self-heating
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|a Torrefaction
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|a Manure
|2 NLM
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|a Soil
|2 NLM
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|a Charcoal
|2 NLM
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|a 16291-96-6
|2 NLM
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| 700 |
1 |
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|a Iwabuchi, Kazunori
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Maemoku, Naohiro
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sasaki, Izumi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Taniguro, Katsumori
|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 85(2019) vom: 15. Feb., Seite 66-72
|w (DE-627)NLM098197061
|x 1879-2456
|7 nnns
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| 773 |
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|g volume:85
|g year:2019
|g day:15
|g month:02
|g pages:66-72
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|u http://dx.doi.org/10.1016/j.wasman.2018.12.018
|3 Volltext
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