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231223s2004 xx ||||| 00| ||eng c |
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|a pubmed25n0508.xml
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|a (DE-627)NLM152469532
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|a (NLM)15580990
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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 Park, B
|e verfasserin
|4 aut
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|a Use of microwave pretreatment for enhanced anaerobiosis of secondary sludge
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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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|2 rdacarrier
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|a Date Completed 19.10.2005
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|a Date Revised 21.11.2013
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|a published: Print
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|a Citation Status MEDLINE
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|a This work elucidates the effects of pretreatment of secondary sludge by microwave irradiation on anaerobic digestion. The soluble chemical oxygen demand (COD) concentration increased up to 22% as microwave irradiation time increased, which indicated the sludge particles disintegrated. Three identical automated bioreactors with working volume of 5 l were used as anaerobic digesters at mesophilic temperature (35 degrees C). The reactors were separately fed with sludge with microwave pretreated- and control- sludge at different hydraulic retention times (HRT). The volatile solid (VS) reduction in the control operation was approximately 23.2 +/- 1.3%, while it was 25.7 +/- 0.8% for the reactors with the pretreated sludge. The average biogas production rate with the pretreated sludge at 8, 10, 12, and 15 days HRTs was 240 +/- 11, 183 +/- 9, 147 +/- 8, and 117 +/- 7 ml/l/d respectively, while those with the control sludge were 134 +/- 12 and 94 +/- 7 ml/l/d at 10 and 15 days HRTs. Maximum rates of COD removal and methane production with the pretreated sludge were 64% and 79% higher than those of the control system, respectively
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Sewage
|2 NLM
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|a Methane
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|a OP0UW79H66
|2 NLM
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|a Oxygen
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|a S88TT14065
|2 NLM
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|a Ahn, J H
|e verfasserin
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|a Kim, J
|e verfasserin
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|a Hwang, 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 50(2004), 9 vom: 01., Seite 17-23
|w (DE-627)NLM098149431
|x 0273-1223
|7 nnns
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| 773 |
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|g volume:50
|g year:2004
|g number:9
|g day:01
|g pages:17-23
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|d 50
|j 2004
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