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An innovative design of an integrated MED-TVC and Reverse Osmosis system for seawater desalination: Process explanation and performance evaluation
Al-hotmani, Omer M.A. Al-Obaidi, Mudhar A.A.R. John, Yakubu M. Patel, Rajnikant
Al-hotmani, Omer M.A.
Al-Obaidi, Mudhar A.A.R.
John, Yakubu M.
Patel, Rajnikant
Publication Date
2020-05
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© 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access
article distributed under the terms and conditions of the Creative Commons Attribution
(CC BY) license (http://creativecommons.org/licenses/by/4.0/).
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openAccess
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2020-05-13
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Abstract
In recent times two or more desalination processes have been combined to form integrated systems that have been widely used to resolve the limitations of individual processes as well as producing high performance systems. In this regard, a simple integrated system of the Multi Effect Distillation (MED)/Thermal Vapour Compression (TVC) and Permeate Reprocessing Reverse Osmosis (PRRO) process was developed by the same authors and confirmed its validity after a comparison study against other developed configurations. However, this design has a considerable amount of retentate flowrate and low productivity. To resolve this issue, two novel designs of MED and double reverse osmosis (RO) processes including Permeate and Retentate Reprocessing designs (PRRP and RRRO) are developed and modelled in this paper. To systematically assess the consistency of the presented designs, the performance indicators of the novel designs are compared against previous simple designs of MED and PRRO processes at a specified set of operating conditions. Results show the superiority of the integrated MED and double permeate reprocessing design. This has specifically achieved both economic and environmental advantages where total productivity is increased by around 9% and total retentate flowrate (disposed to water bodies) is reduced by 5% with a marginally reduced energy consumption.
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Citation
Al-hotmani OMA, Al-Obaidi MAA, John YM et al (2020) An innovative design of an integrated MED-TVC and Reverse Osmosis system for seawater desalination: Process explanation and performance evaluation. Processes. 8(5): 607.
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