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231224s2016 xx |||||o 00| ||eng c |
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|a 10.1016/j.wasman.2016.06.034
|2 doi
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|a pubmed25n0875.xml
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|a DE-627
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|a eng
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|a Ekstrand, Eva-Maria
|e verfasserin
|4 aut
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|a High-rate anaerobic co-digestion of kraft mill fibre sludge and activated sludge by CSTRs with sludge recirculation
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|c 2016
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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 14.04.2017
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|a Date Revised 14.04.2017
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2016. Published by Elsevier Ltd.
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|a Kraft fibre sludge from the pulp and paper industry constitutes a new, widely available substrate for the biogas production industry, with high methane potential. In this study, anaerobic digestion of kraft fibre sludge was examined by applying continuously stirred tank reactors (CSTR) with sludge recirculation. Two lab-scale reactors (4L) were run for 800days, one on fibre sludge (R1), and the other on fibre sludge and activated sludge (R2). Additions of Mg, K and S stabilized reactor performance. Furthermore, the Ca:Mg ratio was important, and a stable process was achieved at a ratio below 16:1. Foaming was abated by short but frequent mixing. Co-digestion of fibre sludge and activated sludge resulted in more robust conditions, and high-rate operation at stable conditions was achieved at an organic loading rate of 4g volatile solids (VS)L(-1)day(-1), a hydraulic retention time of 4days and a methane production of 230±10NmL per g VS
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|a Journal Article
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|a Activated sludge
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|a Anaerobic digestion
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|a Fibre sludge
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|a High-rate CSTR
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|a Pulp and paper
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|a Sludge recirculation
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|a Industrial Waste
|2 NLM
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|a Karlsson, Marielle
|e verfasserin
|4 aut
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|a Truong, Xu-Bin
|e verfasserin
|4 aut
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|a Björn, Annika
|e verfasserin
|4 aut
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|a Karlsson, Anna
|e verfasserin
|4 aut
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|a Svensson, Bo H
|e verfasserin
|4 aut
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|a Ejlertsson, Jörgen
|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 56(2016) vom: 25. Okt., Seite 166-72
|w (DE-627)NLM098197061
|x 1879-2456
|7 nnns
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|g volume:56
|g year:2016
|g day:25
|g month:10
|g pages:166-72
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|u http://dx.doi.org/10.1016/j.wasman.2016.06.034
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