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Open AccessFeature PaperArticle

An Innovative Design of an Integrated MED-TVC and Reverse Osmosis System for Seawater Desalination: Process Explanation and Performance Evaluation

1
Department of Chemical Engineering, Faculty of Engineering and Informatics, University of Bradford, Bradford, West Yorkshire BD7 1DP, UK
2
Middle Technical University, Technical Institute of Baquba, Baquba, Dayala 00964, Iraq
*
Author to whom correspondence should be addressed.
Processes 2020, 8(5), 607; https://doi.org/10.3390/pr8050607
Received: 20 April 2020 / Revised: 7 May 2020 / Accepted: 13 May 2020 / Published: 20 May 2020
(This article belongs to the Special Issue Redesign Processes in the Age of the Fourth Industrial Revolution)
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. View Full-Text
Keywords: seawater desalination; integrated system of MED_TVC and double RO processes; permeate and retentate reprocessing RO processes (PRRO and RRRO); simulation; performance assessment seawater desalination; integrated system of MED_TVC and double RO processes; permeate and retentate reprocessing RO processes (PRRO and RRRO); simulation; performance assessment
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Al-hotmani, O.M.A.; Al-Obaidi, M.A.A.; John, Y.M.; Patel, R.; Mujtaba, I.M. An Innovative Design of an Integrated MED-TVC and Reverse Osmosis System for Seawater Desalination: Process Explanation and Performance Evaluation. Processes 2020, 8, 607.

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