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231223s2006 xx ||||| 00| ||eng c |
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|a pubmed25n0541.xml
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|a (DE-627)NLM162146728
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|a (NLM)16629261
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|a DE-627
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|e rakwb
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|a eng
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|a Santha, Harikishan
|e verfasserin
|4 aut
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|a Performance evaluation of a 'sequential-batch' temperature-phased anaerobic digestion (TPAD) scheme for producing Class A biosolids
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|c 2006
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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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|b nc
|2 rdacarrier
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|a Date Completed 13.07.2006
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|a Date Revised 10.12.2019
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|a published: Print
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|a Citation Status MEDLINE
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|a Laboratory studies were conducted to evaluate the performance and operational stability of a Temperature-Phased Anaerobic Digestion (TPAD) system modified to operate in the sequential-batch mode. The system fed with a 40:60 mixture (dry weight) of primary sludge (PS) and waste activated sludge (WAS) at 5.5% solids showed stable performance with minimum variation in operational parameters such as biogas production, VFA to alkalinity ratio, pH, and foam accumulation at system retention times as short as 12 days. The maximum volatile solids removal (VSR) of 52.5% was achieved at a system retention time of 16 days. The system did not show any effects of "shock loading" at the retention times studied and outperformed a "conventional" mesophilic system operated at a longer retention time. The system was effective in reducing the densities of pathogenic indicator organisms in the biosolids to levels lower than those specified by U.S. EPA for Class A designation
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|a Comparative Study
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|a Evaluation Study
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Gases
|2 NLM
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|a Sewage
|2 NLM
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|a Sandino, Julián
|e verfasserin
|4 aut
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|a Shimp, Gary F
|e verfasserin
|4 aut
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|a Sung, Shihwu
|e verfasserin
|4 aut
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|i Enthalten in
|t Water environment research : a research publication of the Water Environment Federation
|d 1998
|g 78(2006), 3 vom: 28. März, Seite 221-6
|w (DE-627)NLM098214292
|x 1061-4303
|7 nnns
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| 773 |
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|g volume:78
|g year:2006
|g number:3
|g day:28
|g month:03
|g pages:221-6
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|a AR
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|d 78
|j 2006
|e 3
|b 28
|c 03
|h 221-6
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