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Material Flow and Sustainability Analyses of Biorefining of Municipal Solid Waste

Sadhukhan, Jhuma and Martinez-Hernandez, E (2017) Material Flow and Sustainability Analyses of Biorefining of Municipal Solid Waste Bioresource Technology.

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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
Divisions : Faculty of Engineering and Physical Sciences > Centre for Environmental Strategy
Authors :
NameEmailORCID
Sadhukhan, JhumaJ.Sadhukhan@surrey.ac.ukUNSPECIFIED
Martinez-Hernandez, EUNSPECIFIEDUNSPECIFIED
Date : 22 September 2017
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 : 22 Jun 2017 13:22
URI: http://epubs.surrey.ac.uk/id/eprint/841465

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