Techno-Economic Potential of Reverse Osmosis in Desalination Coupled-Hybrid Renewable Energy Systems in Off-Grid Islands

The archipelagic geography of the Philippines has resulted in thousands of inhabited off grid islands wherein energy and water access are hindered. Electricity in these islands is provided by diesel generators, while water is obtained from rainwater, groundwater, or imports from the mainland. As an...

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Autores principales:	Michael T. Castro, Joey D. Ocon
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/56bb1972690346e99ec429451aeb3208
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spelling	oai:doaj.org-article:56bb1972690346e99ec429451aeb32082021-11-15T21:48:41ZTechno-Economic Potential of Reverse Osmosis in Desalination Coupled-Hybrid Renewable Energy Systems in Off-Grid Islands10.3303/CET21880442283-9216https://doaj.org/article/56bb1972690346e99ec429451aeb32082021-11-01T00:00:00Zhttps://www.cetjournal.it/index.php/cet/article/view/11837https://doaj.org/toc/2283-9216The archipelagic geography of the Philippines has resulted in thousands of inhabited off grid islands wherein energy and water access are hindered. Electricity in these islands is provided by diesel generators, while water is obtained from rainwater, groundwater, or imports from the mainland. As an alternative to these costly and unsustainable sources, hybrid renewable energy systems (HRES) coupled with reverse osmosis (RO) desalination has been investigated for the cogeneration of electricity and water. In this work, the techno economic potential of coupled RO HRES in selected off grid areas in the Philippines was evaluated. Solar photovoltaics, wind turbines, lithium ion batteries, and diesel generators were considered as HRES components. Dumaran Island and Bantayan Island were chosen as case studies because both islands have faced electricity and water supply concerns. Moreover, these islands present different use cases as Dumaran Island is mainly residential while Bantayan Island has a growing resort industry. Three scenarios were considered in this work to analyze the transition from the status quo to the energy water system: diesel only, HRES, and RO HRES. The islands and scenarios were modeled using the Island Systems LCOEmin Algorithm, an in house energy systems modeling tool written in Python 3. Transition from the diesel only system to HRES decreased the system costs by an average of 15.1 % in both islands. However, the installation of RO was primarily beneficial for the resort island wherein electricity costs increased by only 0.8 % from the HRES scenario and water costs were 80 % lower than current rates in surrounding islands. In contrast, RO deployment in the residential island raised electricity prices by 10.8 %.Michael T. CastroJoey D. OconAIDIC 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 Michael T. Castro Joey D. Ocon Techno-Economic Potential of Reverse Osmosis in Desalination Coupled-Hybrid Renewable Energy Systems in Off-Grid Islands
description	The archipelagic geography of the Philippines has resulted in thousands of inhabited off grid islands wherein energy and water access are hindered. Electricity in these islands is provided by diesel generators, while water is obtained from rainwater, groundwater, or imports from the mainland. As an alternative to these costly and unsustainable sources, hybrid renewable energy systems (HRES) coupled with reverse osmosis (RO) desalination has been investigated for the cogeneration of electricity and water. In this work, the techno economic potential of coupled RO HRES in selected off grid areas in the Philippines was evaluated. Solar photovoltaics, wind turbines, lithium ion batteries, and diesel generators were considered as HRES components. Dumaran Island and Bantayan Island were chosen as case studies because both islands have faced electricity and water supply concerns. Moreover, these islands present different use cases as Dumaran Island is mainly residential while Bantayan Island has a growing resort industry. Three scenarios were considered in this work to analyze the transition from the status quo to the energy water system: diesel only, HRES, and RO HRES. The islands and scenarios were modeled using the Island Systems LCOEmin Algorithm, an in house energy systems modeling tool written in Python 3. Transition from the diesel only system to HRES decreased the system costs by an average of 15.1 % in both islands. However, the installation of RO was primarily beneficial for the resort island wherein electricity costs increased by only 0.8 % from the HRES scenario and water costs were 80 % lower than current rates in surrounding islands. In contrast, RO deployment in the residential island raised electricity prices by 10.8 %.
format	article
author	Michael T. Castro Joey D. Ocon
author_facet	Michael T. Castro Joey D. Ocon
author_sort	Michael T. Castro
title	Techno-Economic Potential of Reverse Osmosis in Desalination Coupled-Hybrid Renewable Energy Systems in Off-Grid Islands
title_short	Techno-Economic Potential of Reverse Osmosis in Desalination Coupled-Hybrid Renewable Energy Systems in Off-Grid Islands
title_full	Techno-Economic Potential of Reverse Osmosis in Desalination Coupled-Hybrid Renewable Energy Systems in Off-Grid Islands
title_fullStr	Techno-Economic Potential of Reverse Osmosis in Desalination Coupled-Hybrid Renewable Energy Systems in Off-Grid Islands
title_full_unstemmed	Techno-Economic Potential of Reverse Osmosis in Desalination Coupled-Hybrid Renewable Energy Systems in Off-Grid Islands
title_sort	techno-economic potential of reverse osmosis in desalination coupled-hybrid renewable energy systems in off-grid islands
publisher	AIDIC Servizi S.r.l.
publishDate	2021
url	https://doaj.org/article/56bb1972690346e99ec429451aeb3208
work_keys_str_mv	AT michaeltcastro technoeconomicpotentialofreverseosmosisindesalinationcoupledhybridrenewableenergysystemsinoffgridislands AT joeydocon technoeconomicpotentialofreverseosmosisindesalinationcoupledhybridrenewableenergysystemsinoffgridislands
_version_	1718426786937700352

Techno-Economic Potential of Reverse Osmosis in Desalination Coupled-Hybrid Renewable Energy Systems in Off-Grid Islands

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