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20231223045224.0 |
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231223s2004 xx ||||| 00| ||eng c |
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|a pubmed24n0494.xml
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|a (DE-627)NLM148278566
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|a (NLM)15137422
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Ahn, Y H
|e verfasserin
|4 aut
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|a Anaerobic digestion elutriated phased treatment of piggery waste
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|c 2004
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|a Band
|b nc
|2 rdacarrier
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|a Date Completed 20.07.2004
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|a Date Revised 12.05.2004
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|a published: Print
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|a Citation Status MEDLINE
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|a The performance of a novel high-rate anaerobic process, the anaerobic digestion elutriated phased treatment (ADEPT) process, for treating a slurry-type piggery waste (55 g COD/L and 37 g TS/L) was investigated. The ADEPT process consists of an acid elutriation slurry reactor for hydrolysis and acidification, followed by an upflow anaerobic sludge bed reactor for methanification. This process provides stable and high system performance with short HRT (7.4 d) and better effluent quality (2 g SCOD/L and 0.68 g VSS/L) due to the alkaline pH condition for hydrolysis/acidification phase, high refractory solids removal and ammonia toxicity reduction. The optimum pH and HRT for hydrolysis/acidogenesis of the piggery waste were 9 and 5 days at both 35 degrees C and 55 degrees C conditions. The hydrolysis and acidification rate in the mesophilic reactor were 0.05 d(-1) and 0.11 d(-1), meaning that hydrolysis was a limiting step. SCOD production by the hydrolysis was about 0.26 g SCOD/g VS(fed) (3.6 g SCOD/g VS reduction). Methane production and content in the system were 0.3 L CH4/g VS(fed) (0.67 L CH4/g VS destroyed) and 80%, respectively, corresponding to 0.23 L CH4/g COD removal (STP)
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|a Journal Article
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|a Bae, J Y
|e verfasserin
|4 aut
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|a Park, S M
|e verfasserin
|4 aut
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|a Min, K S
|e verfasserin
|4 aut
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|i Enthalten in
|t Water science and technology : a journal of the International Association on Water Pollution Research
|d 1986
|g 49(2004), 5-6 vom: 11., Seite 181-9
|w (DE-627)NLM098149431
|x 0273-1223
|7 nnns
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| 773 |
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|g volume:49
|g year:2004
|g number:5-6
|g day:11
|g pages:181-9
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|a AR
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|d 49
|j 2004
|e 5-6
|b 11
|h 181-9
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