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231224s2013 xx |||||o 00| ||eng c |
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|a 10.5713/ajas.2012.12623
|2 doi
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|a pubmed24n0801.xml
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Pham, C H
|e verfasserin
|4 aut
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| 245 |
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|a Validation and recommendation of methods to measure biogas production potential of animal manure
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| 264 |
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|c 2013
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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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|a Date Completed 22.07.2014
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|a Date Revised 21.10.2021
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a In developing countries, biogas energy production is seen as a technology that can provide clean energy in poor regions and reduce pollution caused by animal manure. Laboratories in these countries have little access to advanced gas measuring equipment, which may limit research aimed at improving local adapted biogas production. They may also be unable to produce valid estimates of an international standard that can be used for articles published in international peer-reviewed science journals. This study tested and validated methods for measuring total biogas and methane (CH4) production using batch fermentation and for characterizing the biomass. The biochemical methane potential (BMP) (CH4 NL kg(-1) VS) of pig manure, cow manure and cellulose determined with the Moller and VDI methods was not significantly different in this test (p>0.05). The biodegradability using a ratio of BMP and theoretical BMP (TBMP) was slightly higher using the Hansen method, but differences were not significant. Degradation rate assessed by methane formation rate showed wide variation within the batch method tested. The first-order kinetics constant k for the cumulative methane production curve was highest when two animal manures were fermented using the VDI 4630 method, indicating that this method was able to reach steady conditions in a shorter time, reducing fermentation duration. In precision tests, the repeatability of the relative standard deviation (RSDr) for all batch methods was very low (4.8 to 8.1%), while the reproducibility of the relative standard deviation (RSDR) varied widely, from 7.3 to 19.8%. In determination of biomethane concentration, the values obtained using the liquid replacement method (LRM) were comparable to those obtained using gas chromatography (GC). This indicates that the LRM method could be used to determine biomethane concentration in biogas in laboratories with limited access to GC
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|a Journal Article
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|a Batch Fermentation Method
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| 650 |
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4 |
|a Biochemical Methane Potential
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| 650 |
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|a Precision
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| 650 |
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4 |
|a Reproducibility
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| 700 |
1 |
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|a Triolo, J M
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Cu, T T T
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Pedersen, L
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sommer, S G
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Asian-Australasian journal of animal sciences
|d 1998
|g 26(2013), 6 vom: 24. Juni, Seite 864-73
|w (DE-627)NLM098195883
|x 1011-2367
|7 nnns
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| 773 |
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|g volume:26
|g year:2013
|g number:6
|g day:24
|g month:06
|g pages:864-73
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|u http://dx.doi.org/10.5713/ajas.2012.12623
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