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Anaerobic digestion: a prime solution for water, energy and food nexus challenges

Haltas, I; Suckling, J; Soutar, I; Druckmann, A; Varga, L; (2017) Anaerobic digestion: a prime solution for water, energy and food nexus challenges. Energy Procedia , 123 pp. 22-29. 10.1016/j.egypro.2017.07.280. Green open access

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Abstract

We solve the problem of identifying one or more optimal patterns of anaerobic digestion (AD) installation across the UK, by considering existing installations, the current feedstock potential and the project growth of the potential via population, demography and urbanization. We test several scenarios for the level of adoption of the AD operations in the community under varying amounts of feedstock supply, which may arise from change in food waste or energy crops generation via other policies and incentives. For the most resilient scales of solutions, we demonstrate for the UK the net energy production (bio-gas and electricity) from AD (and so the avoided emissions from grid energy), the mass of bio-waste processed (and avoided land-fill), and the quantum of digestate produced (as a proxy for avoided irrigation and fertilizer production). In order to simulate the AD innovation within WEF nexus we use agent based modelling (ABM) owing to its bottom-up approach and capability of modelling complex systems with relatively low level data and information.

Type: Article
Title: Anaerobic digestion: a prime solution for water, energy and food nexus challenges
Event: 1st International Conference on Sustainable Energy and Resource Use in Food Chains (ICFES) / Symposium on Heat Recovery and Efficient Conversion and Utilisation of Waste Heat
Location: Windsor, ENGLAND
Dates: 19 April 2017 - 20 April 2017
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.egypro.2017.07.280
Publisher version: http://doi.org/10.1016/j.egypro.2017.07.280
Language: English
Additional information: Copyright © The Author(s), 2017. This article is distributed under the terms of the Creative Commons Attribution 4.0 License (http://www.creativecommons.org/licenses/by/4.0/) which permits any use, reproduction and distribution of the work without further permission provided the original work is attributed.
Keywords: Nexus, water-energy-food, complexity, agent based model, case study, governance, technology
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Civil, Environ and Geomatic Eng
URI: https://discovery.ucl.ac.uk/id/eprint/10067716
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