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231224s2017 xx |||||o 00| ||eng c |
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|a 10.1016/j.wasman.2017.02.031
|2 doi
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|a pubmed24n0899.xml
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|a (PII)S0956-053X(17)30109-5
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|a DE-627
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|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Yap, S D
|e verfasserin
|4 aut
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|a Indigenous microbial capability in solid manure residues to start-up solid-phase anaerobic digesters
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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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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 17.01.2018
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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 Batch solid-phase anaerobic digestion is a technology for sustainable on-farm treatment of solid residues, but is an emerging technology that is yet to be optimised with respect to start-up and inoculation. In the present study, spent bedding from two piggeries (site A and B) were batch digested at total solids (TS) concentration of 5, 10 and 20% at mesophilic (37°C) and thermophilic (55°C) temperatures, without adding an external inoculum. The results showed that the indigenous microbial community present in spent bedding was able to recover the full methane potential of the bedding (140±5 and 227±6L CH4 kgVSfed-1 for site A and B, respectively), but longer treatment times were required than for digestion with an added external inoculum. Nonetheless, at high solid loadings (i.e. TS level>10%), the digestion performance was affected by chemical inhibition due to ammonia and/or humic acid. Thermophilic temperatures did not influence digestion performance but did increase start-up failure risk. Further, inoculation of residues from the batch digestion to subsequent batch enhanced start-up and achieved full methane potential recovery of the bedding. Inoculation with liquid residue (leachate) was preferred over a solid residue, to preserve treatment capacity for fresh substrate. Overall, the study highlighted that indigenous microbial community in the solid manure residue was capable of recovering full methane potential and that solid-phase digestion was ultimately limited by chemical inhibition rather than lack of suitable microbial community
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|a Journal Article
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|a Anaerobic digestion
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|a Biological inhibition
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|a Inoculum
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|a Manure
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|a Microbial community
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|a Straw
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|a Manure
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|a Methane
|2 NLM
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| 650 |
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|a OP0UW79H66
|2 NLM
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| 700 |
1 |
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|a Astals, S
|e verfasserin
|4 aut
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| 700 |
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|a Jensen, P D
|e verfasserin
|4 aut
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| 700 |
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|a Batstone, D J
|e verfasserin
|4 aut
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| 700 |
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|a Tait, S
|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 64(2017) vom: 01. Juni, Seite 79-87
|w (DE-627)NLM098197061
|x 1879-2456
|7 nnns
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|g volume:64
|g year:2017
|g day:01
|g month:06
|g pages:79-87
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|u http://dx.doi.org/10.1016/j.wasman.2017.02.031
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