Multi-Objective Target-Oriented Robust Optimization of Algal Biofuel Production Integrating Resource Recirculation

The production of algal biofuels has long-time been proven as an applicable alternative for fossil fuels. Yet, its economic performance is challenged by the inexpensive costs of fossil fuels. To address this, integrating various processes to the system yields high-value bioproducts to increase profi...

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Autores principales:	Celine Marie Solis, Jayne Lois San Juan
Formato:	article
Lenguaje:	EN
Publicado:	AIDIC Servizi S.r.l. 2021
Materias:	Chemical engineering TP155-156 Computer engineering. Computer hardware TK7885-7895
Acceso en línea:	https://doaj.org/article/7e8a541b72db43c8a30e38cd29473175
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spelling	oai:doaj.org-article:7e8a541b72db43c8a30e38cd294731752021-11-15T21:48:07ZMulti-Objective Target-Oriented Robust Optimization of Algal Biofuel Production Integrating Resource Recirculation10.3303/CET21880942283-9216https://doaj.org/article/7e8a541b72db43c8a30e38cd294731752021-11-01T00:00:00Zhttps://www.cetjournal.it/index.php/cet/article/view/11887https://doaj.org/toc/2283-9216The production of algal biofuels has long-time been proven as an applicable alternative for fossil fuels. Yet, its economic performance is challenged by the inexpensive costs of fossil fuels. To address this, integrating various processes to the system yields high-value bioproducts to increase profitability and sustainability. Looking towards a circular economy perspective, the recirculation of resource flows is utilized to meet economic and environmental sustainability through the reduction of waste. Since the recovery of resources used within the production system is unpredictable in terms of output, uncertainty regarding resource recovery is assessed. Previous modelling studies have not looked into the opportunity of integrating continuous recirculation and reuse of resources along with its corresponding output uncertainty. In this work, a novel multi-objective target-oriented robust optimization model is developed centered on an algal biofuel production system that simultaneously optimizes profit and environmental impact, integrates inputs and processes aimed towards a closed-loop system, adopts the principle of resource recovery and recirculation along with the uncertainty of resource recovery outputs. A case study is solved as proof of concept and to illustrate the design methodology, optimal solutions based on economic and environmental performance are analyzed. Scenario analysis is also performed to analyze system behavior under varying conditions. Results show that to get a minimum profit, the robustness index is greater than one indicating the model is very much flexible to sudden changes in demand.Celine Marie SolisJayne Lois San JuanAIDIC Servizi S.r.l.articleChemical engineeringTP155-156Computer engineering. Computer hardwareTK7885-7895ENChemical Engineering Transactions, Vol 88 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Chemical engineering TP155-156 Computer engineering. Computer hardware TK7885-7895
spellingShingle	Chemical engineering TP155-156 Computer engineering. Computer hardware TK7885-7895 Celine Marie Solis Jayne Lois San Juan Multi-Objective Target-Oriented Robust Optimization of Algal Biofuel Production Integrating Resource Recirculation
description	The production of algal biofuels has long-time been proven as an applicable alternative for fossil fuels. Yet, its economic performance is challenged by the inexpensive costs of fossil fuels. To address this, integrating various processes to the system yields high-value bioproducts to increase profitability and sustainability. Looking towards a circular economy perspective, the recirculation of resource flows is utilized to meet economic and environmental sustainability through the reduction of waste. Since the recovery of resources used within the production system is unpredictable in terms of output, uncertainty regarding resource recovery is assessed. Previous modelling studies have not looked into the opportunity of integrating continuous recirculation and reuse of resources along with its corresponding output uncertainty. In this work, a novel multi-objective target-oriented robust optimization model is developed centered on an algal biofuel production system that simultaneously optimizes profit and environmental impact, integrates inputs and processes aimed towards a closed-loop system, adopts the principle of resource recovery and recirculation along with the uncertainty of resource recovery outputs. A case study is solved as proof of concept and to illustrate the design methodology, optimal solutions based on economic and environmental performance are analyzed. Scenario analysis is also performed to analyze system behavior under varying conditions. Results show that to get a minimum profit, the robustness index is greater than one indicating the model is very much flexible to sudden changes in demand.
format	article
author	Celine Marie Solis Jayne Lois San Juan
author_facet	Celine Marie Solis Jayne Lois San Juan
author_sort	Celine Marie Solis
title	Multi-Objective Target-Oriented Robust Optimization of Algal Biofuel Production Integrating Resource Recirculation
title_short	Multi-Objective Target-Oriented Robust Optimization of Algal Biofuel Production Integrating Resource Recirculation
title_full	Multi-Objective Target-Oriented Robust Optimization of Algal Biofuel Production Integrating Resource Recirculation
title_fullStr	Multi-Objective Target-Oriented Robust Optimization of Algal Biofuel Production Integrating Resource Recirculation
title_full_unstemmed	Multi-Objective Target-Oriented Robust Optimization of Algal Biofuel Production Integrating Resource Recirculation
title_sort	multi-objective target-oriented robust optimization of algal biofuel production integrating resource recirculation
publisher	AIDIC Servizi S.r.l.
publishDate	2021
url	https://doaj.org/article/7e8a541b72db43c8a30e38cd29473175
work_keys_str_mv	AT celinemariesolis multiobjectivetargetorientedrobustoptimizationofalgalbiofuelproductionintegratingresourcerecirculation AT jayneloissanjuan multiobjectivetargetorientedrobustoptimizationofalgalbiofuelproductionintegratingresourcerecirculation
_version_	1718426795423825920

Multi-Objective Target-Oriented Robust Optimization of Algal Biofuel Production Integrating Resource Recirculation

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