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Separations
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Advanced Research in Desalination
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Advanced Research in Desalination

A special issue of Separations (ISSN 2297-8739). This special issue belongs to the section "Purification Technology".

Deadline for manuscript submissions: closed (10 June 2024) | Viewed by 783

Special Issue Editors

Dr. Jingwei Wang

E-Mail Website
Guest Editor
School of Environment, Beijing Normal University, No. 19 Xinjiekouwai Street, Beijing 100875, China
Interests: wastewater treatment; anaerobic membrane bioreactor; water treatment; resource recovery
Special Issues, Collections and Topics in MDPI journals
Dr. Weiwei Cai

E-Mail Website
Guest Editor
School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 102488, China
Interests: membrane-based water and wastewater treatment; membrane fouling mechanism and fouling control; membrane fabrication; biomass utilization
Special Issues, Collections and Topics in MDPI journals
Dr. Ying Mei

E-Mail Website
Guest Editor
Research and Development Center for Watershed Environmental Eco-Engineering, Advanced Institute of Natural Sciences, Beijing Normal University, Zhuhai 519087, China
Interests: membrane technology; seawater desalination; water reuse; resource recovery
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Desalination is a crucial process in tackling the issue of water scarcity and ensuring a sustainable supply of freshwater worldwide. This Special Issue aims to showcase cutting-edge research and innovations in the field of desalination, with a focus on advanced technologies, sustainability, and environmental impact. The key themes of this publication include advancements in desalination techniques such as reverse osmosis, multi-stage flash distillation, and forward osmosis, as well as emerging technologies like membrane distillation and solar desalination. Moreover, we will emphasize research into novel materials for membranes, energy-efficient desalination processes, and the integration of renewable energy sources for sustainable desalination. Additionally, we welcome contributions that explore the environmental impact of desalination, including brine management, energy consumption, and the development of more sustainable desalination practices, in addition to the applications of desalination in promoting water security and sustainable development. Simply put, we aim to publish research that contributes to the advancement of desalination technologies.

Dr. Jingwei Wang
Dr. Weiwei Cai
Dr. Ying Mei
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. Separations is an international peer-reviewed open access monthly 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

  • seawater
  • brackish water
  • reverse osmosis
  • distillation
  • electrodialysis
  • evaporation
  • water scarcity
  • renewable energy
  • desalination
  • membrane

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Published Papers (1 paper)

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Research

12 pages, 3222 KiB  
Article
Study on an Integrated Water Treatment System by Simultaneously Coupling Granular Activated Carbon (GAC) and Powdered Carbon with Ultrafiltration
by Yi Wang, Sijia Yu and Weiwei Cai
Separations 2024, 11(11), 312; https://doi.org/10.3390/separations11110312 - 30 Oct 2024
Viewed by 427
Abstract
The process of using powdered activated carbon (PAC) in conjunction with ultrafiltration (UF) has been widely adopted for the treatment of various types of water and wastewater. However, during the application of this integrated PAC-UF process, PAC tends to adhere significantly to the [...] Read more.
The process of using powdered activated carbon (PAC) in conjunction with ultrafiltration (UF) has been widely adopted for the treatment of various types of water and wastewater. However, during the application of this integrated PAC-UF process, PAC tends to adhere significantly to the surface of the UF membrane, which exacerbates membrane fouling. To tackle this issue, this study proposed an innovative water treatment approach that simultaneously integrated granular activated carbon (GAC) and PAC/biochar with UF. In this setup, PAC/biochar was intended to enhance water quality, while the fluidized GAC particles were aimed at reducing membrane fouling and the deposition of PAC/biochar on the membrane surface. We systematically analyzed the operational performance of the integrated systems concerning fouling formation, PAC/biochar attachment, effluent quality, and foulant components. The results indicate that both PAC and biochar effectively improved effluent quality in terms of chemical oxygen demand (COD) and hardness, although they significantly deposited on the membrane surface during operation. Notably, PAC was more prone to attach to the membrane than biochar, and the fouling in biochar-UF systems was primarily attributed to the attachment of organic foulants rather than biochar itself. By combining with GAC, up to 46.01% of membrane fouling and 96.11% of PAC/biochar attachment were mitigated due to the strong mechanical action of the fluidized GAC particles. Importantly, the inclusion of fluidized GAC did not significantly affect effluent quality. Consequently, the GAC-PAC/biochar systems proposed in this study demonstrated dual benefits of improving effluent quality and ensuring stable operation, thereby providing a viable solution for efficient and sustainable water treatment. Full article
(This article belongs to the Special Issue Advanced Research in Desalination)
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