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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1016/j.wasman.2020.02.038
|2 doi
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|e rakwb
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|a eng
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| 100 |
1 |
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|a Piazzi, Stefano
|e verfasserin
|4 aut
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| 245 |
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|a Techno-economic assessment of turning gasification-based waste char into energy
|b A case study in South-Tyrol
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|c 2020
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 24.03.2020
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|a Date Revised 24.03.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2020 Elsevier Ltd. All rights reserved.
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|a In the South-Tyrol region (Italy), 46 gasifiers are currently operating and €200,000 are annually paid to dispose of as a waste 1300 tons of char. Therefore, there is a considerable interest in finding alternatives for the valorization of this solid by-product. The aim of this work is to assess the potential of char as energy source and to compare two scenarios. The first scenario considers the possibility of exploiting char in a dedicated burner integrated in the gasification plant. The second scenario assumes that all the char is collected from South-Tyrol and co-fired with biomass in an existing combustion-ORC plant. An economic analysis was performed evaluating the discounted payback time and both scenarios were modeled using Aspen Plus®. The results reveal that substantial savings in the operating costs of the plants can be achieved. In the first scenario the owners of the gasification plants could save from 50% to 94% of the char disposal costs with a payback time ranging between 3 and 7 years. In the second scenario, the owner of the plant could save approximately €235 k per year with a payback time of approximately 7 years. The present study provides a basis for further techno-economic studies on char combustion. The results can be helpful for the owners of the gasification plants in determining the most cost-effective way to dispose char and to avoid disposing it of as a waste. Furthermore, it is demonstrated how char could be used as a renewable fuel, with better performance than raw biomass
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|a Journal Article
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|a Char
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|a Combustion
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|a Economic analysis
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| 650 |
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|a Gasification
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|a System model
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|a Waste
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| 700 |
1 |
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|a Zhang, Xiaolei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Patuzzi, Francesco
|e verfasserin
|4 aut
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| 700 |
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|a Baratieri, Marco
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Waste management (New York, N.Y.)
|d 1999
|g 105(2020) vom: 15. März, Seite 550-559
|w (DE-627)NLM098197061
|x 1879-2456
|7 nnns
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| 773 |
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|g volume:105
|g year:2020
|g day:15
|g month:03
|g pages:550-559
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|u http://dx.doi.org/10.1016/j.wasman.2020.02.038
|3 Volltext
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