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231224s2013 xx ||||| 00| ||eng c |
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|a eng
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|a Powell, N
|e verfasserin
|4 aut
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|a Effect of whey storage on biogas produced by co-digestion of sewage sludge and whey
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|c 2013
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|a Text
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|a ohne Hilfsmittel zu benutzen
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|a Date Completed 11.03.2014
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|a Date Revised 19.11.2015
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|a published: Print
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|a Citation Status MEDLINE
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|a Biogas production from municipal anaerobic digesters could potentially be boosted via co-digestion with organic wastes such as whey. The challenge is that whey production is seasonal. This research examined the effect of storing whey at ambient temperature on: (1) whey composition; (2) biogas production from co-digestion of the stored whey with municipal primary sludge. Whey storage resulted in acidification with formation of acetate, propionate and butyrate and a 9% reduction in total chemical oxygen demand (COD) over the 9-month trial. A control digester fed with primary sludge produced 0.18-0.23 m3 CH4/kgCOD(added). Co-digestion of fresh whey and sludge increased biogas production and the methane contribution from the whey was 0.29 m3CH4/kgCOD(added). When the fresh whey was substituted with stored whey, methane production by the whey remained at 0.29 m3CH4/kgCOD(added). The ability to store whey at ambient temperature and allow co-digestion year round will significantly improve the economics of biogas production from whey
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|a Journal Article
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|a Biofuels
|2 NLM
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|a Milk Proteins
|2 NLM
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|a Sewage
|2 NLM
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|a Whey Proteins
|2 NLM
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|a Methane
|2 NLM
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|2 NLM
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|a Broughton, A
|e verfasserin
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|a Pratt, C
|e verfasserin
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|a Shilton, A
|e verfasserin
|4 aut
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|i Enthalten in
|t Environmental technology
|d 1993
|g 34(2013), 17-20 vom: 02. Sept., Seite 2743-8
|w (DE-627)NLM098202545
|x 1479-487X
|7 nnns
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|g volume:34
|g year:2013
|g number:17-20
|g day:02
|g month:09
|g pages:2743-8
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