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240517s2024 xx |||||o 00| ||eng c |
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|a 10.1177/0734242X241252906
|2 doi
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|a pubmed25n1240.xml
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|a (DE-627)NLM372456960
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|a (NLM)38757279
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Calabrò, Paolo Salvatore
|e verfasserin
|4 aut
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| 245 |
1 |
2 |
|a A short bibliographic review concerning biomethane production from wastewater sludge
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| 264 |
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1 |
|c 2024
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| 336 |
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|a Text
|b txt
|2 rdacontent
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| 337 |
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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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|a Date Revised 17.05.2024
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|a published: Print-Electronic
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|a Citation Status Publisher
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|a Biomethane production by anaerobic digestion (AD) of sludge from municipal wastewater treatment is a viable practice to valorise the residues of these plants. However, although the relevant literature is abundant, no comprehensive reviews have been recently published on this topic. Detailed information concerning the factors influencing the AD process and values of biomethane production from the sludge from municipal wastewater treatment plants (MWWTPs) on the global scale may support technicians and researchers in both the planning and the design steps of an AD process. This study proposes a systematic review and a meta-analysis of the factors that noticeably influence biomethane yield deriving from AD of sludge from MWWTP. The reported values were systematically analysed compared to the main factors driving AD, including publication year, geographical area of each study, type of digested sludge, treatment in the water line of the MWWTP, possible sludge pre-treatments, type of digestion process, hydraulic retention time (HRT) and temperature regime of the AD process. A higher biomethane production was registered in North American plants compared to countries in other continents. Older studies published between 2001 and 2005 reported lower mean values compared to the more recent experiments. A gradient of 'primary sludge' > 'mixed sludge' > 'wastewater activated sludge' was found for the mean biomethane yield in relation to the digested sludge type. The mean biomethane yields for different types of sludge on a global scale are 0.425, 0.296 and 0.176 Nm3 kg VS-1 for primary sludge, mixed sludge and waste activated sludge, respectively. Overall, the study demonstrates: (i) the very large variability of biomethane yields from AD of the residues from MWWTPs (mainly due to the different characteristics of sludge) and (ii) the non-significance of some factors (i.e. treatment in the water line, pre-treatments, type of process, HRT and temperature regime) on energy yields from the AD process
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| 650 |
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4 |
|a Journal Article
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| 650 |
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4 |
|a Review
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| 650 |
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4 |
|a Anaerobic digestion
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| 650 |
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4 |
|a biologic methane potential
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| 650 |
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4 |
|a mixed sludge
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| 650 |
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4 |
|a municipal wastewater treatment plant
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| 700 |
1 |
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|a Elbeshbishy, Elsayed
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Laqa Kakar, Farokh
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zema, Demetrio Antonio
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Waste management & research : the journal of the International Solid Wastes and Public Cleansing Association, ISWA
|d 1991
|g (2024) vom: 17. Mai, Seite 734242X241252906
|w (DE-627)NLM098164791
|x 1096-3669
|7 nnas
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| 773 |
1 |
8 |
|g year:2024
|g day:17
|g month:05
|g pages:734242X241252906
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| 856 |
4 |
0 |
|u http://dx.doi.org/10.1177/0734242X241252906
|3 Volltext
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