Material Flow and Sustainability Analyses of Biorefining of Municipal Solid Waste
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Sadhukhan, Jhuma and Martinez-Hernandez, E (2017) Material Flow and Sustainability Analyses of Biorefining of Municipal Solid Waste Bioresource Technology, 243. pp. 135-146.
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Official URL: https://www.journals.elsevier.com/bioresource-tech...
Abstract
This paper presents material flow and sustainability analyses of novel mechanical biological chemical treatment system for complete valorization of municipal solid waste (MSW). It integrates material recovery facility (MRF); pulping, chemical conversion; effluent treatment plant (ETP), anaerobic digestion (AD); and combined heat and power (CHP) systems producing end products: recyclables (24.9% by mass of MSW), metals (2.7%), fibre (1.5%); levulinic acid (7.4%); recyclable water (14.7%), fertiliser (8.3%); and electricity (0.126 MWh/t MSW), respectively. Refuse derived fuel (RDF) and non-recyclable other waste, char and biogas from MRF, chemical conversion and AD systems, respectively, are energy recovered in the CHP system. Levulinic acid gives profitability independent of subsidies; MSW priced at 50 Euro/t gives a margin of 204 Euro/t. Global warming potential savings are 2.4 and 1.3 kg CO2 equivalent per kg of levulinic acid and fertiliser, and 0.17 kg CO2 equivalent per MJ of grid electricity offset, respectively.
| Item Type: | Article | |||||||||
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| Divisions : | Faculty of Engineering and Physical Sciences > Centre for Environmental Strategy | |||||||||
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| Date : | 17 June 2017 | |||||||||
| DOI : | 10.1016/j.biortech.2017.06.078 | |||||||||
| Copyright Disclaimer : | © 2017. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/ | |||||||||
| Uncontrolled Keywords : | Keywords: levulinic acid, techno-economic analysis, integrated biorefinery and resource recovery from waste (RRfW), process integration, circular economy, life cycle assessment (LCA) | |||||||||
| Depositing User : | Melanie Hughes | |||||||||
| Date Deposited : | 22 Jun 2017 13:22 | |||||||||
| Last Modified : | 16 Jan 2019 18:53 | |||||||||
| URI: | http://epubs.surrey.ac.uk/id/eprint/841465 |
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