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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1016/j.wasman.2017.11.008
|2 doi
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|a pubmed25n0927.xml
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|a (PII)S0956-053X(17)30807-3
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|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Hao, Zongdi
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Combustion characteristics of biodried sewage sludge
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|c 2018
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 10.08.2018
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|a Date Revised 02.12.2018
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2017 Elsevier Ltd. All rights reserved.
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|a In this study, effects of biodrying on the characteristics of sewage sludge and the subsequent combustion behavior were investigated. 7-Day of biodrying removed 49.78% of water and 23.17% of VS initially contained in the sewage sludge and increased lower heating value (LHV) by 37.87%. Meanwhile, mass contents of C and N decreased from 36.25% and 6.12% to 32.06% and 4.82%, respectively. Surface of the biodried sewage sludge (BDSS) appeared granulated and multi-porous, which was thought to facilitate air transfer during combustion. According to thermogravimetric (TG) analysis coupled with mass spectrometer (MS) with a heating rate of 10 °C/min from 35 °C to 1000 °C, thermally-dried sewage sludge (TDSS) and BDSS lost 74.39% and 67.04% of the initial mass, respectively. In addition, combustibility index (S) of BDSS (8.67 × 10-8 min-2 K-3) was higher than TDSS. TG-MS analyses also showed that less nitrogenous gases were generated from BDSS than TDSS. It was again showed that the average CO and NO concentrations in exit gas from isothermal combustion of BDSS were lower than those from TDSS, especially at low temperatures (≤800 °C). Based on these results, it was concluded that biodrying of sewage sludge was an energy-efficient water-removal method with less emission of air pollutants when BDSS was combusted
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|a Journal Article
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|a Biodrying
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|a Combustion kinetics
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|a Isothermal combustion
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|a Nitrogenous gases
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|a Sewage sludge
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|a Air Pollutants
|2 NLM
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|a Sewage
|2 NLM
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|a Water
|2 NLM
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| 700 |
1 |
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|a Yang, Benqin
|e verfasserin
|4 aut
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| 700 |
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|a Jahng, Deokjin
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Waste management (New York, N.Y.)
|d 1999
|g 72(2018) vom: 23. Feb., Seite 296-305
|w (DE-627)NLM098197061
|x 1879-2456
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|g volume:72
|g year:2018
|g day:23
|g month:02
|g pages:296-305
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|u http://dx.doi.org/10.1016/j.wasman.2017.11.008
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