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Novel Materials, Techniques, and Process for Sustainable Treatment of Seawater/Wastewater

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Sustainable Water Management".

Deadline for manuscript submissions: closed (15 June 2023) | Viewed by 2001

Special Issue Editors


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Guest Editor
Energy & Environmental Engineering Laboratory, Department of Mechanical Engineering, Hayang University, Seoul 15588, Korea
Interests: water technology; desalination; waste to energy; freshwater production

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Guest Editor
Institute for Energy Studies, Department of Mechanical Engineering, CEG, Anna University, Tamil Nadu 600025, India
Interests: desalination; heat Transfer; energy storage; CFD

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Guest Editor
Biofluid and Biomimic Research Center, Department of Mechanical Engineering, Pohang University of Science & Technology (POSTECH), Pohang 790784, Korea
Interests: solar desalination; photothermal materials for solar steam generation; materials for desalination application

Special Issue Information

Dear Colleagues,

Treatment of seawater and wastewater has become a technology of paramount importance owing to the increasing level of freshwater scarcity. The prominent techniques adopted for satisfying the freshwater need of humans are thermal- and membrane-based desalination technologies. Several challenges exist in terms of the process and materials adopted for the efficient conversion of seawater/wastewater into freshwater/potable water. The ultimate objective of research on any freshwater production technology is to improve its efficiency through effective heat transfer with minimum loss to the environment. To make the above technologies sustainable, researchers adopt diversified processes and materials to achieve maximum efficiency with an improved conversion rate. This Special Issue will present such research efforts (theoretical, experimental, and simulation) made in terms of process, materials, and other significant techniques to improve the efficiency of the desalination process.

In this Special Issue, original research articles and reviews are welcome. Research areas may include (but are not limited to) the following:

  • Water Treatment
  • Desalination
  • Novel Materials for water treatment
  • Novel Process for water treatment
  • Role of Nano-materials in water treatment
  • Performance improvement techniques for efficient water treatment

We look forward to receiving your contributions.

Dr. Ravichandran Santosh
Prof. Dr. Govindaraj Kumaresan
Dr. Thirugnanasambantham Arunkumar
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Sustainability is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • water treatment
  • desalination
  • materials
  • freshwater
  • potable water
  • wastewater
  • process enhancement
  • thermal based water treatment
  • membrane based water treatment

Published Papers (1 paper)

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Research

15 pages, 2582 KiB  
Article
Effect of Teflon-Coated PVDF Membrane on the Performance of a Solar-Powered Direct Contact Membrane Distillation System
by Pon Pavithiran C. K., Govindaraj Kumaresan, Raju Abraham, Ravichandran Santosh and Ramalingam Velraj
Sustainability 2022, 14(11), 6895; https://doi.org/10.3390/su14116895 - 05 Jun 2022
Cited by 2 | Viewed by 1493
Abstract
The present study dealt with the generation of freshwater through the direct contact membrane distillation (DCMD) technique, powered by an evacuated tube solar collector (ETSC). The major objective of the present work was to determine the optimum conditions of fluid flow rate and [...] Read more.
The present study dealt with the generation of freshwater through the direct contact membrane distillation (DCMD) technique, powered by an evacuated tube solar collector (ETSC). The major objective of the present work was to determine the optimum conditions of fluid flow rate and temperature for maximum freshwater productivity across both the feed and permeate sides of the membrane module. A flat hydrophobic membrane composed of polyvinylidene fluoride (PVDF) coated with Teflon was utilized for the DCMD process. The rate of freshwater production was examined with the variation in the feed/permeate flow rates (from 3 to 7 LPM) and feed temperature (from 45 °C to 75 °C) for a constant permeate-side temperature of 30 °C. The experimental results indicated that a maximum freshwater productivity of 45.18 kg/m2h was achievable from the proposed system during its operation with a high solar heated inlet feed temperature of 75 °C and mass flow rates of 7 LPM across both sides of the membrane. Further, a detailed assessment of the performance parameters indicated that the present solar-powered DCMD system exhibited a maximum evaporative efficiency of about 80% and temperature polarization coefficient (TPC) of 0.62 respectively. Full article
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