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Water
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Advanced Membrane Processes for Desalination and Wastewater Treatment
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Advanced Membrane Processes for Desalination and Wastewater Treatment

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Water Use and Scarcity".

Deadline for manuscript submissions: closed (1 May 2022) | Viewed by 5773

Special Issue Editors

Prof. Ali Altaee

E-Mail Website
Guest Editor
School of Civil and Environmental Engineering, University of Technology Sydney, Sydney, Australia
Interests: membrane; desalination; separation technologies; filtration; adsorption
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Adnan Alhathal Alanezi

E-Mail Website
Guest Editor
Department of Chemical Engineering Technology, College of Technological Studies, The Public Authority for Applied Education and Training (PAAET), P.O.BOX 42325, Shuwaikh 70654, Kuwait
Interests: water treatment; desalination; membrane; energy nanotechnologies

Special Issue Information

Dear Colleagues,

We are inviting researchers and scientists to submit their new research in water and wastewater processes and technologies to the Special Issue ”Advanced Membrane Processes for Desalination and Wastewater Treatment” edited by Dr Ali Altaee from the University of Technology Sydney. The Special Issue welcomes research and review studies in membrane technologies, filtration processes, wastewater reuse, water and wastewater treatment technologies and techno-economic studies that contribute to knowledge in water engineering and processes. The deadline to accept your submitted research study is 31 October 2021. 

Water scarcity and pollution are growing problems that directly impact social life and the economy. Several technologies have been used to reduce water shortage and find engineering solutions for sustainable water supply. Among the technologies used to combat the problem of water shortage are membrane technologies, filtration processes, adsorption, water reuse, and thermal technologies.

We look forward to receiving your research study and contribution to this Special Issue on desalination and wastewater technologies.

Prof. Dr. Ali Altaee
Prof. Dr. Adnan Alhathal Alanezi
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. Water 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 2600 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

  • Desalination
  • Purification and separation
  • Water reuse
  • Wastewater treatment
  • Membrane
  • Filtration
  • Adsorption

Published Papers (2 papers)

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Research

17 pages, 5144 KiB  
Article
Wave-Powered and Zero-Discharging Membrane-Distillation Desalination System: Conceptual Design and Analysis
by Gyeong Sung Kim and Yunho Hwang
Water 2022, 14(12), 1897; https://doi.org/10.3390/w14121897 - 13 Jun 2022
Viewed by 1963
Abstract
There are many islands without full access to electricity around the world. These energy-poor regions generally have drinking water supply issues too. Renewable energy-powered desalination units can convert seawater to freshwater by using such as oceanic wave energy to mitigate the water limitation [...] Read more.
There are many islands without full access to electricity around the world. These energy-poor regions generally have drinking water supply issues too. Renewable energy-powered desalination units can convert seawater to freshwater by using such as oceanic wave energy to mitigate the water limitation in small islands. A novel wave-powered floating desalination system (WavoWater) was proposed for easy on-site deployment and minimal environmental impact. WavoWater can produce freshwater using a vacuum-applied air-gap membrane distillation (AGMD) system, and the heat needed for the AGMD is provided through a heat pump powered by wave energy. Small-scale experiments were conducted to estimate the water generation rate of the vacuum-applied AGMD, and the WavoWater system modeling was developed based on the experimental results and wave data observed near the City of Newport, OR, USA. Fast Fourier transform was applied to estimate the wave energy spectrum in a random sea wave state. It was evaluated that 1 m-diameter WavoWater can produce 12.6 kg of fresh water per day with about 3.1 kWh of wave energy. With the performance evaluation, the aspects of zero discharging and minimal environmental impact were also highlighted for the stand-alone wave-powered desalination system. Full article
(This article belongs to the Special Issue Advanced Membrane Processes for Desalination and Wastewater Treatment)
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16 pages, 5969 KiB  
Article
Performance of the Pressure Assisted Forward Osmosis-MSF Hybrid Desalination Plant
by Daoud Khanafer, Sudesh Yadav, Namuun Ganbat, Ali Altaee, John Zhou and Alaa H. Hawari
Water 2021, 13(9), 1245; https://doi.org/10.3390/w13091245 - 29 Apr 2021
Cited by 9 | Viewed by 2962
Abstract
An osmotically driven membrane process was proposed for seawater pretreatment in a multi-stage flashing (MSF) thermal plant. Brine reject from the MSF plant was the draw solution (DS) in the forward osmosis (FO) process in order to reduce chemical use. The purpose of [...] Read more.
An osmotically driven membrane process was proposed for seawater pretreatment in a multi-stage flashing (MSF) thermal plant. Brine reject from the MSF plant was the draw solution (DS) in the forward osmosis (FO) process in order to reduce chemical use. The purpose of FO is the removal of divalent ions from seawater prior the thermal desalination. In this study, seawater at 80 g/L and 45 g/L concentrations were used as the brine reject and seawater, respectively. The temperature of the brine reject was 40 °C and of seawater was 25 °C. Commercial thin-film composite (TFC) and cellulose triacetate (CTA) membranes were evaluated for the pretreatment of seawater in the FO and the pressure-assisted FO (PAFO) processes. Experimental results showed 50% more permeation flux by increasing the feed pressure from 1 to 4 bar, and permeation flux reached 16.7 L/m2h in the PAFO process with a TFC membrane compared to 8.3 L/m2h in the PAFO process with CTA membrane. TFC membrane experienced up to 15% reduction in permeation flux after cleaning with DI water while permeation flux reduction in the CTA membrane was >6%. The maximum recovery rate was 11.5% and 8.8% in the PAFO process with TFC and CTA membrane, respectively. The maximum power consumption for the pretreatment of seawater was 0.06 kWh/m3 and 0.1 kWh/m3 for the PAFO process with a TFC and CTA membrane, respectively. Full article
(This article belongs to the Special Issue Advanced Membrane Processes for Desalination and Wastewater Treatment)
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