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Membranes
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Pressure-Driven Membrane Processes Treating Industrial Water and Wastewater for Better...
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Pressure-Driven Membrane Processes Treating Industrial Water and Wastewater for Better ESG Performance

A special issue of Membranes (ISSN 2077-0375). This special issue belongs to the section "Membrane Processing and Engineering".

Deadline for manuscript submissions: closed (31 January 2023) | Viewed by 3624

Special Issue Editors

Dr. Alexandre Giacobbo

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Guest Editor
Post-Graduation Program in Mining, Metallurgical and Materials Engineering, (PPGE3M), Federal University of Rio Grande do Sul (UFRGS), Av. Bento Gonçalves, n. 9500, Agronomia, Porto Alegre CEP 91509–900, RS, Brazil
Interests: water and wastewater treatment; membrane technology; resources recovery; water reuse
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Maria Norberta de Pinho

E-Mail Website
Guest Editor
Department of Chemical Engineering, CeFEMA—Center of Physics and Engineering of Advanced Materials, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisbon, Portugal
Interests: transport phenomena; fluid dynamics & mass transfer; separation processes; membrane separation processes; pressure-driven membrane processes; membrane synthesis & characterization; membrane based artificial organs; membrane blood oxygenators; artificial kidney
Prof. Dr. Andréa Moura Bernardes

E-Mail Website
Guest Editor
Post-Graduation Programme in Mining, Metallurgical and Materials Engineering (PPGE3M), Federal University of Rio Grande do Sul (UFRGS), Av. Bento Gonçalves, n. 9500, Agronomia, Porto Alegre CEP 91509-900, RS, Brazil
Interests: water reuse; electrodialysis; membrane electrolysis; desalination; pressure driven membrane processes; membrane distillation; emerging organic contaminants; advanced oxidation processes
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Industries are being asked to better incorporate environmental, social, and governance (ESG) factors into their processes and operations. The adoption of ESG factors, connected to the UN's sustainable development principles, brings challenges but also has a great impact on a company's efficiency. Among the ESG factors, environmental challenges include concerns such as water pollution or scarcity. In these matters, special attention has been given to water-intensive industries, including, but not limited to, the food, pulp and paper, and leather and chemical industries. In this regard, wastewater treatment aimed at resource recovery and water reuse is considered an important tool that contributes to sustainable development and the circular economy. Conventional processes currently used in wastewater treatment do not always meet the standards for effluent disposal, nor do they provide resource recovery or water reuse. On the other hand, pressure-driven membrane processes (PDMP) have gained prominence, especially over the last two decades, in applications in the industrial processes of separation, resource recovery, wastewater treatment, and water reuse. However, despite great advancements in membranes technology, PDMP is still plagued by unresolved problems, such as membrane fouling.

Therefore, we invite you to contribute your latest research (in the form of research articles or reviews) to this Special Issue of Membranes entitled Pressure-Driven Membrane Processes Treating Industrial Water and Wastewater for Better ESG Performance. This Special Issue aims to cover the recent developments and advances in all aspects related to PDMP, including but not limited to membrane technology, membrane fouling, concentration polarization, water and wastewater treatment, resource recovery, and water reuse. Both original research and review papers are welcome.

We look forward to receiving your contributions.

Dr. Alexandre Giacobbo
Prof. Dr. Maria Norberta de Pinho
Prof. Dr. Andréa Moura Bernardes
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. Membranes 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 2700 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

  • membrane technology
  • membrane fouling
  • concentration polarization
  • water and wastewater treatment
  • resources recovery
  • water reuse

Published Papers (2 papers)

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Research

12 pages, 3161 KiB  
Article
Evaluation of Different Reverse Osmosis Membranes for Textile Dyeing and Finishing Wastewater Reuse
by Chunhai Wei, Yequan Lao, Rulu Ouyang, Guorui Zhang, Guijing Huang, Feilong Deng, Qicheng Tan, Genghao Lin and Hong Zhou
Membranes 2023, 13(4), 420; https://doi.org/10.3390/membranes13040420 - 08 Apr 2023
Cited by 3 | Viewed by 1410
Abstract
Different commercial reverse osmosis (RO) membranes from Vontron and DuPont Filmtec were evaluated for textile dyeing and finishing wastewater (TDFW) reuse in China. All six tested RO membranes produced qualified permeate meeting TDFW reuse standards at a water recovery ratio (WRR) of 70% [...] Read more.
Different commercial reverse osmosis (RO) membranes from Vontron and DuPont Filmtec were evaluated for textile dyeing and finishing wastewater (TDFW) reuse in China. All six tested RO membranes produced qualified permeate meeting TDFW reuse standards at a water recovery ratio (WRR) of 70% in single batch tests. The rapid decline of apparent specific flux at WRR over 50% was mainly ascribed to feed osmotic pressure increase caused by concentrating effects. Multiple batch tests using Vontron HOR and DuPont Filmtec BW RO membranes with comparable permeability and selectivity demonstrated the reproducibility and showed low fouling development. The occurrence of carbonate scaling on both RO membranes was identified by scanning electron microscopy and energy disperse spectroscopy. No obvious organic fouling was detected on both RO membranes by attenuated total reflectance Fourier transform infrared spectrometry. From the orthogonal tests, with an integrated RO membrane performance index (i.e., 25% rejection ratio of total organic carbon + 25% rejection ratio of conductivity + 50% flux ratio of final to initial) as a target, the optimal parameters were determined as WRR of 60%, cross-flow velocity (CFV) of 1.0 m/s, temperature (T) of 20 °C for both RO membranes, while trans-membrane pressures (TMP) of 2 and 4 MPa were optimal for Vontron HOR RO membrane and DuPont Filmtec BW RO membrane, respectively. Both RO membranes with the optimal parameters produced good permeate quality for TDFW reuse and kept a high flux ratio of final to initial, demonstrating the effectiveness of the orthogonal tests. Full article
(This article belongs to the Special Issue Pressure-Driven Membrane Processes Treating Industrial Water and Wastewater for Better ESG Performance)
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20 pages, 2792 KiB  
Article
Analysis of Calcium Sulfate Scaling Phenomena on Reverse Osmosis Membranes by Scaling-Based Flux Model
by Fumio Yokoyama, Mitsutoshi Nakajima and Sosaku Ichikawa
Membranes 2022, 12(9), 894; https://doi.org/10.3390/membranes12090894 - 17 Sep 2022
Cited by 3 | Viewed by 1594
Abstract
In this study, the behavior of permeate flux decline due to scale precipitation of calcium sulfate on reverse osmosis membranes was investigated. The proposed scaling-based flux model is able to explain that permeate fluxes attributed to three mechanisms of scale precipitation—cake formation, surface [...] Read more.
In this study, the behavior of permeate flux decline due to scale precipitation of calcium sulfate on reverse osmosis membranes was investigated. The proposed scaling-based flux model is able to explain that permeate fluxes attributed to three mechanisms of scale precipitation—cake formation, surface blockage, and mixed crystallization—converge to the same newly defined scaling-based critical flux. In addition, a scaling index is defined, which determines whether scale precipitates on the membrane. The experimental results were analyzed based on this index. The mass-transfer coefficients of flat membrane cells used in the experiments were measured and, although the coefficients differed, they could be summarized in the same form as the Leveque equation. Considering the results of the scale precipitation experiments, where the operating conditions of pressure, solute concentration, temperature, and Reynolds number were varied, the convergent values of the permeate fluxes are explained by the scaling-based critical fluxes and the scale precipitation zones by the scaling indexes. Full article
(This article belongs to the Special Issue Pressure-Driven Membrane Processes Treating Industrial Water and Wastewater for Better ESG Performance)
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