Electricity and Water Cogeneration Utilizing Aluminum Furnaces Waste Heat Integrating Thermal Storage Organic Rankine Cycle

High energy-intensive industries, including steel, chemicals, cement, and aluminium, contribute to about 75% of the industrial emissions of Carbon dioxide globally and expelling large amounts of unrecovered waste heat into the atmosphere. Yet there has been a challenge of studies that are conducted...

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Autores principales:	Wael A. Al Nahdi, Mohamed I. Hassan Ali
Formato:	article
Lenguaje:	EN
Publicado:	SDEWES Centre 2021
Materias:	industrial waste heat; aluminium furnaces; orc; organic rankine cycle; power generation; thermal energy storage; tes Technology T Economic growth, development, planning HD72-88
Acceso en línea:	https://doaj.org/article/93918719a9ac4e459094962662171070
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spelling	oai:doaj.org-article:93918719a9ac4e4590949626621710702021-11-20T09:32:48ZElectricity and Water Cogeneration Utilizing Aluminum Furnaces Waste Heat Integrating Thermal Storage Organic Rankine Cycle1848-925710.13044/j.sdewes.d8.0381https://doaj.org/article/93918719a9ac4e4590949626621710702021-09-01T00:00:00Z http://www.sdewes.org/jsdewes/pid8.0381 https://doaj.org/toc/1848-9257High energy-intensive industries, including steel, chemicals, cement, and aluminium, contribute to about 75% of the industrial emissions of Carbon dioxide globally and expelling large amounts of unrecovered waste heat into the atmosphere. Yet there has been a challenge of studies that are conducted on recovering waste heat in the aluminium industry especially in cast-house facilities due to technical difficulties such as energy fluctuations in mass flow rate and temperature. In this study, waste heat to power system is designed to generate power and freshwater in a cast-house facility with 18 furnaces by evaluating three methods in which the temporal waste heat from holding furnaces can be damped and exploited. These methods are: (1) implementing a temporal air injection, (2) an optimization method for furnaces operation time shift, and (3) integrating sensible thermal heat storage. Organic Rankine Cycle is used for the waste heat to power conversion. The appropriate thermal energy storage design and a thermodynamic model of an Organic Rankine Cycle are investigated using a temporal flue gas data that is collected onsite from three furnaces. Reverse Osmosis technology is used to produce water using the generated electricity. Results show that sensible heat thermal energy storage is the most suitable technology for damping the waste heat. By utilizing waste heat from 18 re-melting furnaces, a net power output of 323 kW can be produced to operate a Reverse Osmosis plant supplying 2419 m3 of fresh water daily, saving up to 2000 metric tons of Carbon dioxide emissions annually. This study gives a comprehensive approach in dealing with temporal waste heat in aluminium furnaces for smooth cogeneration.Wael A. Al NahdiMohamed I. Hassan AliSDEWES Centrearticleindustrial waste heat; aluminium furnaces; orc; organic rankine cycle; power generation; thermal energy storage; tesTechnologyTEconomic growth, development, planningHD72-88ENJournal of Sustainable Development of Energy, Water and Environment Systems, Vol 9, Iss 3, Pp 1-23 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	industrial waste heat; aluminium furnaces; orc; organic rankine cycle; power generation; thermal energy storage; tes Technology T Economic growth, development, planning HD72-88
spellingShingle	industrial waste heat; aluminium furnaces; orc; organic rankine cycle; power generation; thermal energy storage; tes Technology T Economic growth, development, planning HD72-88 Wael A. Al Nahdi Mohamed I. Hassan Ali Electricity and Water Cogeneration Utilizing Aluminum Furnaces Waste Heat Integrating Thermal Storage Organic Rankine Cycle
description	High energy-intensive industries, including steel, chemicals, cement, and aluminium, contribute to about 75% of the industrial emissions of Carbon dioxide globally and expelling large amounts of unrecovered waste heat into the atmosphere. Yet there has been a challenge of studies that are conducted on recovering waste heat in the aluminium industry especially in cast-house facilities due to technical difficulties such as energy fluctuations in mass flow rate and temperature. In this study, waste heat to power system is designed to generate power and freshwater in a cast-house facility with 18 furnaces by evaluating three methods in which the temporal waste heat from holding furnaces can be damped and exploited. These methods are: (1) implementing a temporal air injection, (2) an optimization method for furnaces operation time shift, and (3) integrating sensible thermal heat storage. Organic Rankine Cycle is used for the waste heat to power conversion. The appropriate thermal energy storage design and a thermodynamic model of an Organic Rankine Cycle are investigated using a temporal flue gas data that is collected onsite from three furnaces. Reverse Osmosis technology is used to produce water using the generated electricity. Results show that sensible heat thermal energy storage is the most suitable technology for damping the waste heat. By utilizing waste heat from 18 re-melting furnaces, a net power output of 323 kW can be produced to operate a Reverse Osmosis plant supplying 2419 m3 of fresh water daily, saving up to 2000 metric tons of Carbon dioxide emissions annually. This study gives a comprehensive approach in dealing with temporal waste heat in aluminium furnaces for smooth cogeneration.
format	article
author	Wael A. Al Nahdi Mohamed I. Hassan Ali
author_facet	Wael A. Al Nahdi Mohamed I. Hassan Ali
author_sort	Wael A. Al Nahdi
title	Electricity and Water Cogeneration Utilizing Aluminum Furnaces Waste Heat Integrating Thermal Storage Organic Rankine Cycle
title_short	Electricity and Water Cogeneration Utilizing Aluminum Furnaces Waste Heat Integrating Thermal Storage Organic Rankine Cycle
title_full	Electricity and Water Cogeneration Utilizing Aluminum Furnaces Waste Heat Integrating Thermal Storage Organic Rankine Cycle
title_fullStr	Electricity and Water Cogeneration Utilizing Aluminum Furnaces Waste Heat Integrating Thermal Storage Organic Rankine Cycle
title_full_unstemmed	Electricity and Water Cogeneration Utilizing Aluminum Furnaces Waste Heat Integrating Thermal Storage Organic Rankine Cycle
title_sort	electricity and water cogeneration utilizing aluminum furnaces waste heat integrating thermal storage organic rankine cycle
publisher	SDEWES Centre
publishDate	2021
url	https://doaj.org/article/93918719a9ac4e459094962662171070
work_keys_str_mv	AT waelaalnahdi electricityandwatercogenerationutilizingaluminumfurnaceswasteheatintegratingthermalstorageorganicrankinecycle AT mohamedihassanali electricityandwatercogenerationutilizingaluminumfurnaceswasteheatintegratingthermalstorageorganicrankinecycle
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Electricity and Water Cogeneration Utilizing Aluminum Furnaces Waste Heat Integrating Thermal Storage Organic Rankine Cycle

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