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Co-Production Performance Evaluation of a Novel Solar Combi System for Simultaneous Pure Water and Hot Water Supply in Urban Households of UAE
KTH, Skolan för industriell teknik och management (ITM), Energiteknik.
KTH, Skolan för industriell teknik och management (ITM), Energiteknik.ORCID-id: 0000-0002-3661-7016
2017 (engelsk)Inngår i: Energies, E-ISSN 1996-1073, Vol. 10, nr 4, artikkel-id 481Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Water is the most desirable and sparse resource in Gulf cooperation council (GCC) region. Utilization of point-of-use (POU) water treatment devices has been gaining huge market recently due to increase in knowledge of urban population on health related issues over contaminants in decentralized water distribution networks. However, there is no foolproof way of knowing whether the treated water is free of contaminants harmful for drinking and hence reliance on certified bottled water has increased worldwide. The bottling process right from treatment to delivery is highly unsustainable due to huge energy demand along the supply chain. As a step towards sustainability, we investigated various ways of coupling of membrane distillation (MD) process with solar domestic heaters for co-production of domestic heat and pure water. Performance dynamics of various integration techniques have been evaluated and appropriate configuration has been identified for real scale application. A solar combi MD (SCMD) system is experimentally tested for single household application for production 20 L/day of pure water and 250 L/day of hot water simultaneously without any auxiliary heating device. The efficiency of co-production system is compared with individual operation of solar heaters and solar membrane distillation.

sted, utgiver, år, opplag, sider
MDPI AG , 2017. Vol. 10, nr 4, artikkel-id 481
Emneord [en]
solar domestic hot water (SDHW), co-production, membrane distillation (MD), solar combi, thermal storage
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-208255DOI: 10.3390/en10040481ISI: 000400065000070Scopus ID: 2-s2.0-85025437570OAI: oai:DiVA.org:kth-208255DiVA, id: diva2:1114876
Forskningsfinansiär
StandUp
Merknad

QC 20170626

Tilgjengelig fra: 2017-06-26 Laget: 2017-06-26 Sist oppdatert: 2026-05-29bibliografisk kontrollert
Inngår i avhandling
1. Integration of Membrane Distillation and Solar Thermal Systems for Coproduction of Purified Water and Heat
Åpne denne publikasjonen i ny fane eller vindu >>Integration of Membrane Distillation and Solar Thermal Systems for Coproduction of Purified Water and Heat
2017 (engelsk)Doktoravhandling, med artikler (Annet vitenskapelig)
Abstract [en]

In the Middle East and North Africa region fresh water resources are very scarce and theexisting sources are depleting rapidly. Desalination is the method to fulfill increasing waterdemand, and people depend mostly upon bottled water for drinking purposes. Bottledwater is resource and energy demanding, hence there is a need for supplying drinkablewater in a sustainable way. The main objective of this research is to develop solutions forproviding potable water to urban communities through integrating membrane distillationwater purification units with solar driven hot water installations. A single-cassette Air GapMembrane Distillation (AGMD) unit was tested on laboratory scale to investigate theinfluence of various operating parameters on the distillate production. Particular attentionwas given for identifying process conditions relevant to the design of solar energyintegrated systems. In parallel, a simplified empirical model using response surfacemethods was developed and validated against bench scale experimental results. Thedeveloped model for performance indicators was later employed in dynamic simulations ofa solar thermal integrated membrane distillation system. A pilot plant was designed andinstalled at RAK Research and Innovation Center in UAE. Experimental investigations wereconducted on this integrated system for co-production of pure water (around 15-25 l/day)along with hot water production equivalent to the needs of a family of five. A dynamicsimulation model was developed in TRNSYS to analyze optimum operating conditions ofthe system. Economic analysis showed an impressive payback period and savings for theintegrated system as compared with standalone counterparts. A second pilot facility using alarger multi-cassette AGMD module and absorption cooler was designed and installed.Performance of this solar co-production system for heat, cooling, and pure water is analyzedfor various integration modes.

sted, utgiver, år, opplag, sider
Stockholm: KTH Royal Institute of Technology, 2017. s. 100
Serie
TRITA-KRV ; 17-10
Emneord
Solar Membrane Distillation, polygeneration, TRNSYS, Integrated systems
HSV kategori
Forskningsprogram
Energiteknik
Identifikatorer
urn:nbn:se:kth:diva-232854 (URN)978-91-7729-581-5 (ISBN)
Disputas
2017-12-12, Kollegiesalen, Brinellvägen 8, KTH Royal Institute of Technology, Stockholm, 13:00 (engelsk)
Opponent
Veileder
Merknad

QC 20180806

Tilgjengelig fra: 2018-08-06 Laget: 2018-08-05 Sist oppdatert: 2022-06-26bibliografisk kontrollert

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Kumar, Nutakki Tirumala UdayMartin, Andrew R.

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