Water-Energy Nexus Cascade Analysis (WENCA) for Simultaneous Water-Energy System Optimisation

This paper presents a new numerical method called the Water-Energy Nexus Cascade Analysis (WENCA), developed based on the principal of Pinch Analysis. Water and energy are both valuable resources that are majorly used in industrial processes. Both water and energy are interdependent where increasing...

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Main Authors: Ahmad Muzammil Idris, Wai Shin Ho, Liu Wen Hui, Ahmad Fakrul Ramli, Aminullah Mohtar, Haslenda Hashim, Zarina Ab Muis, Jeng Shiun Lim, Peng Yen Liew
Format: Article
Language:English
Published: AIDIC Servizi S.r.l. 2018-05-01
Series:Chemical Engineering Transactions
Online Access:https://www.cetjournal.it/index.php/cet/article/view/2450
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author Ahmad Muzammil Idris
Wai Shin Ho
Liu Wen Hui
Ahmad Fakrul Ramli
Aminullah Mohtar
Haslenda Hashim
Zarina Ab Muis
Jeng Shiun Lim
Peng Yen Liew
author_facet Ahmad Muzammil Idris
Wai Shin Ho
Liu Wen Hui
Ahmad Fakrul Ramli
Aminullah Mohtar
Haslenda Hashim
Zarina Ab Muis
Jeng Shiun Lim
Peng Yen Liew
author_sort Ahmad Muzammil Idris
collection DOAJ
description This paper presents a new numerical method called the Water-Energy Nexus Cascade Analysis (WENCA), developed based on the principal of Pinch Analysis. Water and energy are both valuable resources that are majorly used in industrial processes. Both water and energy are interdependent where increasing water demand will increase the energy demand and vice versa. In this paper, WENCA is introduced to simultaneously optimise both water and energy system that is interdependent. The methodology applies Cascade Analysis to individually optimise both system. As both systems are interdependent, altering one of the system will result in a change to the other system. An iterative method is then introduced to converge the analysis to obtain the optimal result for both systems. A case study comprising of both electricity and water demand of 6,875 kWh and 3,000 m3 from a residential area with 1,000 unit of houses is applied in this work. The electricity demand is met using fuel cell where hydrogen is produced through coal gasification (which utilised water as it raw material), a water treatment plant (WTP) is also introduced for water treatment to fulfil the water demands. The optimal result reveals that the WTP capacity is 3,200.73 m3, its corresponding water storage tank capacity is 175 m3, hydrogen power plant is 9 MW and its corresponding energy storage capacity is 4.13 MW.
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spelling doaj.art-be4778a230c7484c9b76340eda697a3c2022-12-21T23:03:17ZengAIDIC Servizi S.r.l.Chemical Engineering Transactions2283-92162018-05-016310.3303/CET1863046Water-Energy Nexus Cascade Analysis (WENCA) for Simultaneous Water-Energy System OptimisationAhmad Muzammil IdrisWai Shin HoLiu Wen HuiAhmad Fakrul RamliAminullah MohtarHaslenda HashimZarina Ab MuisJeng Shiun LimPeng Yen LiewThis paper presents a new numerical method called the Water-Energy Nexus Cascade Analysis (WENCA), developed based on the principal of Pinch Analysis. Water and energy are both valuable resources that are majorly used in industrial processes. Both water and energy are interdependent where increasing water demand will increase the energy demand and vice versa. In this paper, WENCA is introduced to simultaneously optimise both water and energy system that is interdependent. The methodology applies Cascade Analysis to individually optimise both system. As both systems are interdependent, altering one of the system will result in a change to the other system. An iterative method is then introduced to converge the analysis to obtain the optimal result for both systems. A case study comprising of both electricity and water demand of 6,875 kWh and 3,000 m3 from a residential area with 1,000 unit of houses is applied in this work. The electricity demand is met using fuel cell where hydrogen is produced through coal gasification (which utilised water as it raw material), a water treatment plant (WTP) is also introduced for water treatment to fulfil the water demands. The optimal result reveals that the WTP capacity is 3,200.73 m3, its corresponding water storage tank capacity is 175 m3, hydrogen power plant is 9 MW and its corresponding energy storage capacity is 4.13 MW.https://www.cetjournal.it/index.php/cet/article/view/2450
spellingShingle Ahmad Muzammil Idris
Wai Shin Ho
Liu Wen Hui
Ahmad Fakrul Ramli
Aminullah Mohtar
Haslenda Hashim
Zarina Ab Muis
Jeng Shiun Lim
Peng Yen Liew
Water-Energy Nexus Cascade Analysis (WENCA) for Simultaneous Water-Energy System Optimisation
Chemical Engineering Transactions
title Water-Energy Nexus Cascade Analysis (WENCA) for Simultaneous Water-Energy System Optimisation
title_full Water-Energy Nexus Cascade Analysis (WENCA) for Simultaneous Water-Energy System Optimisation
title_fullStr Water-Energy Nexus Cascade Analysis (WENCA) for Simultaneous Water-Energy System Optimisation
title_full_unstemmed Water-Energy Nexus Cascade Analysis (WENCA) for Simultaneous Water-Energy System Optimisation
title_short Water-Energy Nexus Cascade Analysis (WENCA) for Simultaneous Water-Energy System Optimisation
title_sort water energy nexus cascade analysis wenca for simultaneous water energy system optimisation
url https://www.cetjournal.it/index.php/cet/article/view/2450
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