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231225s2023 xx |||||o 00| ||eng c |
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|a 10.1080/09593330.2021.1994655
|2 doi
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|a pubmed24n1108.xml
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|a (DE-627)NLM33242927X
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|a (NLM)34704537
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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 Saha, Moutoshi
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Evaluation of impact of sludge types and solids content on sludge treatment using microwave enhanced advanced oxidation process
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|c 2023
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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 21.03.2023
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|a Date Revised 21.03.2023
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a The microwave enhanced advanced oxidation process (MW-AOP) has been applied to pre-treat different sludge types and high solids content. Secondary sludge not only had the highest solids and nutrient content but also yielded higher treatment efficiency than primary or mixed sludge. In the case of secondary sludge with 4% total solids (TS), the total suspended solids (TSS) concentration was reduced by 32% while soluble chemical oxygen demand concentration increased from 1% to 40% after treatment at 110°C. A high level of nutrient release was also achieved; about 65% total phosphate (TP) solubilized at 110°C. The degree of secondary sludge disintegration was dictated by temperature and hydrogen peroxide dosage. The optimal operating temperature for the system was 110°C, and sludge containing TS up to 8% was treated effectively. Secondary sludge with 8% TS had a TSS reduction of 41% after treatment at 110°C while COD solubilization was about 45%; about 55% TP was solubilized at 10 min holding time. Treatment of sludge with higher solids content would allow for handling larger amounts of sludge at a given period and reduce heating cost per unit of treated sludge. The inter-relationship between the degree of sludge disintegration and changes in chemical and physical properties was also clearly demonstrated here. The treated sludge would be an ideal substrate for anaerobic digestion or phosphorous recovery processes. High levels of nutrients (phosphorus and nitrogen) and metal release, and solids disintegration from sludge containing high solids content would make subsequent resource recovery processes more effective and economical
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|a Journal Article
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|a Sludge treatment
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|a microwave process
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|a nutrient release
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|a sludge disintegration
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|a solids content
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|a Sewage
|2 NLM
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|a Hydrogen Peroxide
|2 NLM
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| 650 |
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|a BBX060AN9V
|2 NLM
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| 650 |
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|a Phosphates
|2 NLM
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| 650 |
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|a Phosphorus
|2 NLM
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| 650 |
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|a 27YLU75U4W
|2 NLM
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| 700 |
1 |
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|a Srinivasan, Asha
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liao, Ping Huang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lo, Kwang Victor
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Environmental technology
|d 1993
|g 44(2023), 8 vom: 02. März, Seite 1114-1124
|w (DE-627)NLM098202545
|x 1479-487X
|7 nnns
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| 773 |
1 |
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|g volume:44
|g year:2023
|g number:8
|g day:02
|g month:03
|g pages:1114-1124
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|u http://dx.doi.org/10.1080/09593330.2021.1994655
|3 Volltext
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