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231224s2015 xx |||||o 00| ||eng c |
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|a 10.2166/wst.2015.435
|2 doi
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|a pubmed25n0852.xml
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|a (NLM)26676001
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Zhou, Yan
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Anaerobic digestion of post-hydrothermal liquefaction wastewater for improved energy efficiency of hydrothermal bioenergy processes
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|c 2015
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 14.03.2016
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|a Date Revised 07.12.2022
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|a published: Print
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|a Citation Status MEDLINE
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|a Hydrothermal liquefaction (HTL) is a promising process for converting wet biomass and organic wastes into bio-crude oil. It also produces an aqueous product referred to as post-hydrothermal liquefaction wastewater (PHWW) containing up to 40% of the original feedstock carbon, which reduces the overall energy efficiency of the HTL process. This study investigated the feasibility of using anaerobic digestion (AD) to treat PHWW, with the aid of activated carbon. Results showed that successful AD occurred at relatively low concentrations of PHWW (≤ 6.7%), producing a biogas yield of 0.5 ml/mg CODremoved, and ∼53% energy recovery efficiency. Higher concentrations of PHWW (≥13.3%) had an inhibitory effect on the AD process, as indicated by delayed, slower, or no biogas production. Activated carbon was shown to effectively mitigate this inhibitory effect by enhancing biogas production and allowing digestion to proceed at higher PHWW concentrations (up to 33.3%), likely due to sequestering toxic organic compounds. The addition of activated carbon also increased the net energy recovery efficiency of AD with a relatively high concentration of PHWW (33.3%), taking into account the energy for producing activated carbon. These results suggest that AD is a feasible approach to treat PHWW, and to improve the energy efficiency of the HTL processes
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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4 |
|a Research Support, U.S. Gov't, Non-P.H.S.
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| 650 |
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7 |
|a Biofuels
|2 NLM
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| 650 |
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7 |
|a Petroleum
|2 NLM
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| 650 |
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|a Waste Water
|2 NLM
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| 650 |
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|a Charcoal
|2 NLM
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| 650 |
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7 |
|a 16291-96-6
|2 NLM
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| 700 |
1 |
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|a Schideman, Lance
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zheng, Mingxia
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Martin-Ryals, Ana
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Peng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tommaso, Giovana
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Yuanhui
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Water science and technology : a journal of the International Association on Water Pollution Research
|d 1986
|g 72(2015), 12 vom: 16., Seite 2139-47
|w (DE-627)NLM098149431
|x 0273-1223
|7 nnas
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| 773 |
1 |
8 |
|g volume:72
|g year:2015
|g number:12
|g day:16
|g pages:2139-47
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|u http://dx.doi.org/10.2166/wst.2015.435
|3 Volltext
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