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An Assessment of the Sustainability of Lignocellulosic Bioethanol Production from Wastes in Iceland

An Assessment of the Sustainability of Lignocellulosic Bioethanol Production from Wastes in Iceland


Title: An Assessment of the Sustainability of Lignocellulosic Bioethanol Production from Wastes in Iceland
Author: Safarian, Sahar   orcid.org/0000-0002-0409-007X
Unnthorsson, Runar   orcid.org/0000-0002-1960-0263
Date: 2018-06-07
Language: English
Scope: 1493
University/Institute: Háskóli Íslands (HÍ)
University of Iceland (UI)
School: School of Engineering and Natural Sciences (UI)
Verkfræði- og náttúruvísindasvið (HÍ)
Department: Iðnaðarverkfræði-, vélaverkfræði- og tölvunarfræðideild (HÍ)
Faculty of Industrial Eng., Mechanical Eng. and Computer Science (UI)
Series: Energies;11(6)
ISSN: 1996-1073
DOI: 10.3390/en11061493
Subject: Bioethanol; Lignocellulosic wastes; Pretreatment; Sustainability assessment; Etanól; Sjálfbærni; Úrgangur; Orkuframleiðsla
URI: https://hdl.handle.net/20.500.11815/1477

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Citation:

Safarian, S.; Unnthorsson, R. An Assessment of the Sustainability of Lignocellulosic Bioethanol Production from Wastes in Iceland. Energies 2018, 11, 1493.

Abstract:

This paper describes the development of a model to comprehensively assess the sustainability impacts of producing lignocellulosic bioethanol from various types of municipal organic wastes (MOWs) in Iceland: paper and paperboard, timber and wood and garden waste. The tool integrates significant economic, energy, environmental and technical aspects to analyse and rank twelve systems using the most common pretreatment technologies: dilute acid, dilute alkali, hot water and steam explosion. The results show that among the MOWs, paper and paperboard have higher positive rankings under most assessments. Steam explosion is also ranked at the top from the economic, energy and environmental perspectives, followed by the hot water method for paper and timber wastes. Finally, a potential evaluation of total wastes and bioethanol production in Iceland is carried out. The results show that the average production of lignocellulosic bioethanol in 2015 could be 12.5, 11 and 3 thousand tons from paper, timber and garden wastes, respectively, and that production could reach about 15.9, 13.7 and 3.7 thousand tons, respectively, by 2030.

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Publisher's version (útgefin grein).

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited

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