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Application of Membrane-Based Technology in Water Treatment
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Application of Membrane-Based Technology in Water Treatment

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Wastewater Treatment and Reuse".

Deadline for manuscript submissions: 10 June 2025 | Viewed by 8266

Special Issue Editors

Dr. Xiaobin Tang

E-Mail Website
Guest Editor
School of Environment, Harbin Institute of Technology, Harbin, China
Interests: membrane fouling; membrane-based water treatment; membrane fabrication; drinking water treatment; water reuse; decentralized water treatment; iron and manganese removal; heavy metals removal
Special Issues, Collections and Topics in MDPI journals
Dr. Binghan Xie

E-Mail Website
Guest Editor
School of Marine Science and Technology, Harbin Institute of Technology at Weihai, Weihai 264209, China
Interests: MBR; membrane fouling; bacterial–microalgal consortium; mariculture wastewater treatment; microalgae bioenergy
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The utilization of membrane technology is predominant in the treatment of drinking water and wastewater. Its large-scale application in engineering is highly dependent on the preparation of the membrane material, the development of the membrane process and the control of membrane fouling. The application of membrane-based technology in waster treatment fulfills the sustainable development goals for water reasource utlization. Thus, we encourge the submission of articles addressing recent progress and presenting advanced membrane techniques for water treatment to this Special Issue. This Special Issue also aims to cover the latest findings of researchers in this field, in order to illuminate directions for future research and provide technical parameters for engineering applications. Excellent and novel investigations focusing on topics such as membrane bioreactors, membrane-based water treatment, membrane fabrication, membrane fouling control, biotechnology, engineering application, etc., are also welcome in this Special Issue.

Dr. Xiaobin Tang
Dr. Binghan Xie
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

  • water and wastewater treatment-based membrane technology
  • engineering application-based membrane technology
  • membrane bioreactor
  • membrane fouling
  • membrane material preparation

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Published Papers (4 papers)

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Research

14 pages, 3006 KiB  
Article
Manganese Oxide Enhanced Gravity-Driven Membrane (GDM) Filtration in Treating Iron- and Manganese-Containing Surface Water
by Jiaoying Luo, Yaru Zhang, Hailin Chang, Chenghai Lin, Yating Hu, Haochun Wang, Yanrui Wang and Xiaobin Tang
Water 2024, 16(17), 2374; https://doi.org/10.3390/w16172374 - 23 Aug 2024
Cited by 2 | Viewed by 1313
Abstract
Manganese pollution in surface water has been a new concern in decentralized drinking water treatment. The dissolved manganese cannot be effectively removed by the traditional ultrafiltration (UF) process, but will cause severe membrane fouling. To address such issues, an innovative gravity-driven membrane (GDM) [...] Read more.
Manganese pollution in surface water has been a new concern in decentralized drinking water treatment. The dissolved manganese cannot be effectively removed by the traditional ultrafiltration (UF) process, but will cause severe membrane fouling. To address such issues, an innovative gravity-driven membrane (GDM) coupled with a dynamic manganese oxide (MnOx) film on the membrane surface was proposed, with hopes of enhancing manganese removal and alleviating membrane fouling. The results demonstrated that pre-coating a dynamic MnOx film on the membrane surface of a GDM system would effectively reduce start-up time for removing iron and manganese pollutants, without affecting the flux stabilization of the GDM. Effective manganese removal (~80%) primarily depended on the adsorption and auto-catalytic oxidation facilitated by the pre-coating of MnOx. Furthermore, the MnOx film notably enhanced organic pollutant removal efficiency. Additionally, the MnOx coated on the membrane surface acted as a skeleton, promoting the gradual formation of a biocake layer with a heterogeneous and porous structure, which benefited the flux stabilization of the GDM. In particular, the fine and homogeneous MnOx-M derived from the backflushing water of the mature manganese sand filter exhibited precise and uniform coating on the membrane surface, effectively mitigating the irreversible pore plugging caused by organic matter penetration and thereby enhancing stable flux by ~16.3% compared to the control. This study offered a novel strategy to enhance the purification efficiency of GDM system treating manganese pollution and was expected to contribute to the technological advancement of decentralized water supply scenarios. Full article
(This article belongs to the Special Issue Application of Membrane-Based Technology in Water Treatment)
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16 pages, 5857 KiB  
Article
Effect of In Situ Aeration on Ultrafiltration Membrane Fouling Control in Treating Seasonal High-Turbidity Surface Water
by Jiaoying Luo, Yating Hu, Xishou Guo, Ao Wang, Chenghai Lin, Yaru Zhang, Haochun Wang, Yanrui Wang and Xiaobin Tang
Water 2024, 16(15), 2195; https://doi.org/10.3390/w16152195 - 2 Aug 2024
Cited by 2 | Viewed by 1681
Abstract
Direct ultrafiltration (UF) is anticipated to be a promising technology for rural water supply due to its stable permeate quality and ease of automatic operation & maintenance. However, seasonal high turbidity in the surface water resources caused severe membrane fouling, resulting in the [...] Read more.
Direct ultrafiltration (UF) is anticipated to be a promising technology for rural water supply due to its stable permeate quality and ease of automatic operation & maintenance. However, seasonal high turbidity in the surface water resources caused severe membrane fouling, resulting in the requirement of frequent cleaning of the UF process, and limiting the broad application of the direct UF in treating rural surface water. To address this issue, this study investigated the feasibility and mechanism of in situ aeration in alleviating the UF membrane fouling in treating surface water with high turbidity (200, 500, and 800 NTU). The results indicated that with the weak aeration (0.4 m3/(m2·min)), the concentration of polysaccharides accumulated on the membrane surface was high, and serious membrane fouling was observed. With medium aeration (0.8 and 1.2 m3/(m2·min)), bubble shear force could effectively reduce the foulants accumulated on the membrane surface to alleviate the membrane fouling. During the whole experiment, the optimal group (1.2 m3/(m2·min)) showed a 45% lower TMP compared to the control. However, strong aeration (1.6 m3/(m2·min)) caused floc breakage and was less conducive to the membrane fouling control compared to the medium aeration. Furthermore, under in situ aeration, the contents of polysaccharide accumulated on the membrane surface and deposited in the membrane pores were reduced by 8.85%~49.29%, and the structures of the cake layer turned out to be porous and permeable, implying that in situ aeration could significantly modify the structure and composition of the cake layer, contributing to the UF membrane fouling control in treating the seasonal high-turbidity surface water. These findings will provide novel approaches for the application of UF technology in rural water supply. Full article
(This article belongs to the Special Issue Application of Membrane-Based Technology in Water Treatment)
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19 pages, 8204 KiB  
Article
Performance Study on Brackish Water Desalination Efficiency Based on a Novel Coupled Electrodialysis–Reverse Osmosis (EDRO) System
by Caixia Fu, Fujun Li, Hui Li and Xuenong Yi
Water 2024, 16(6), 794; https://doi.org/10.3390/w16060794 - 7 Mar 2024
Cited by 2 | Viewed by 2427
Abstract
Reverse osmosis (RO) is a commonly used desalination technology, but due to high requirements concerning the quality of the feed water, there still exists permeate flux related to the operating conditions, and the solute removal rate is low. Electric fields have a facilitating [...] Read more.
Reverse osmosis (RO) is a commonly used desalination technology, but due to high requirements concerning the quality of the feed water, there still exists permeate flux related to the operating conditions, and the solute removal rate is low. Electric fields have a facilitating effect on RO desalination performance. Previous studies have focused on investigating the combination of RO and electrodialysis (ED) processes separately, without directly exploiting their interactions. To address this issue, this study proposes a novel coupling device that combines both RO and ED technologies in a single unit and investigates their mutual enhancement effects on brackish water desalination. The results show that the coupled EDRO system can mutually enhance the performance of RO and ED processes. The permeate flux ratio of the RO membrane increased with increasing voltage, reaching a maximum value of 23.7% at a feed concentration of 10,000 mg/L. The solute rejection by the ion-exchange membrane also increased with increasing pressure, reaching a maximum value of 14.95% at the same feed concentration. In addition, the specific energy consumption of the coupled system was also reduced compared to a standalone operation, with maximum reductions of 9.5% and 19.2% for RO and 2.5% and 3.4% for ED at 5000 and 10,000 mg/L feed concentrations, respectively. Full article
(This article belongs to the Special Issue Application of Membrane-Based Technology in Water Treatment)
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19 pages, 9493 KiB  
Article
Environmental Risk Assessment of the Harbin Section of the Songhua River Basin Based on Multi-Source Data Fusion
by Ying Zhao, Huige Sun, Jingrui Tang, Ying Li, Zhihao Sun, Zhe Tao, Liang Guo and Sheng Chang
Water 2023, 15(24), 4293; https://doi.org/10.3390/w15244293 - 16 Dec 2023
Cited by 3 | Viewed by 1947
Abstract
Surface water is a vital resource for human survival. However, economic and social development has resulted in significant pollutants from human activities, causing environmental pollution in watersheds. This pollution has had a profound impact on the surface water environment. However, limited studies have [...] Read more.
Surface water is a vital resource for human survival. However, economic and social development has resulted in significant pollutants from human activities, causing environmental pollution in watersheds. This pollution has had a profound impact on the surface water environment. However, limited studies have been conducted on the environmental risk evaluation of the watershed. In this study, we accounted for agricultural, industrial, and domestic source discharges in the districts and counties of the Harbin section of the Songhua River Basin for 2021. Data were collected from Statistical Yearbooks and governmental departments, and the characteristics of pollutant discharges in Harbin’s districts and counties were analyzed. Subsequently, we employed the Back Propagation neural network optimization method, combining remote sensing data, accounting data, pollution discharge data from each district and county, and economic and social data from the Statistical Yearbook and literature. This fusion of multiple data sources facilitated the construction of a watershed environmental risk evaluation system. The analysis considered four levels: economic and social, resource load, environmental infrastructure, and pollution discharge. Via this comprehensive evaluation, we identified the reasons for environmental risks in the water environment of the Harbin section of the Songhua River Basin. The evaluation results indicate that Nangang District, Xiangfang District, and Pingfang District face a higher risk to the water environment. Consequently, recommendations for mitigating water environment risks in these areas and across Harbin City are presented. The research methods and findings in this paper contribute valuable insights for developing control strategies to manage water quality in critically polluted areas of the Harbin section of the Songhua River Basin, providing a scientific foundation for regional river water quality management studies. Full article
(This article belongs to the Special Issue Application of Membrane-Based Technology in Water Treatment)
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