Advanced Membrane Technologies for Water and Wastewater Treatment

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 March 2022) | Viewed by 19782

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Guest Editor
Institute of Chemistry, Jan Dlugosz University in Czestochowa, 42-200 Czestochowa, Poland
Interests: polymer inclusion membranes; water and wastewater treatment; membrane technologies; separation processes; removal of metal ions
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Co-Guest Editor
Institute of Chemistry, Jan Dlugosz University in Czestochowa, 42-200 Czestochowa, Poland
Interests: liquid membranes; macrocyclic ligands; separation processes

Special Issue Information

Dear Colleagues,

Managing higher water demands is a great challenge of the twenty-first century due to pollution and climate change, which are reducing the amount of drinkable water. There is therefore a need for improved techniques to purify contaminated waters. In water and wastewater treatment, membrane technology, a term that refers to a number of different processes using synthetic membranes to separate chemical substances, has been recognized as the key technology for the separation of contaminants from polluted sources, thus purifying original waters. Further improvements and innovations are needed, especially in the chemical and morphological design of membrane materials, and the element and module design of membrane systems, to enhance the process efficiency. The possibilities for improving the membrane material and morphology and combining membrane process with other forms of technology in a hybrid fashion are promising in terms of optimizing water and wastewater treatment systems.

This Special Issue is devoted to “Advanced Membrane Technologies for Water and Wastewater Treatment”. The authors are invited to submit their contributions in the forms of research articles (based on either lab-scale or pilot-scale experiments, or simulation results), technical reporting, case studies, and critical reviews.

The main aim of this Special Issue is to present novel approaches within membrane technologies towards effective water and wastewater treatment applications. The scope of this Special Issue includes:

  • Innovative membrane preparation techniques and applications for water and wastewater treatment;
  • Recent advances in the treatment of landfill leachate/wastewater or surface/produced water using polymeric membranes as well as composite materials;
  • Combining membrane processes with other forms of technology (membrane hybrid systems);
  • The improvement of membrane selectivity and permeability, recovery, or operational costs.

Dr. Iwona Zawierucha
Prof. Dr. Cezary Artur Kozłowski
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

  • Water purification
  • Wastewater and landfill leachate treatment
  • Membrane hybrid systems
  • Novel membrane technologies
  • Composite/nanocomposite membranes
  • Polymeric membranes
  • Removal of metal ions

Published Papers (7 papers)

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Research

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22 pages, 2823 KiB  
Article
Membrane Water Treatment for Drinking Water Production from an Industrial Effluent Used in the Manufacturing of Food Additives
by Karina Hernández, Claudia Muro, Oscar Monroy, Vianney Diaz-Blancas, Yolanda Alvarado and María del Carmen Diaz
Membranes 2022, 12(8), 742; https://doi.org/10.3390/membranes12080742 - 29 Jul 2022
Cited by 4 | Viewed by 1949
Abstract
An integrated membrane process for treatment of effluents from food additive manufacturing was designed and evaluated on a laboratory scale. The principal focus was water recovery with the possibility of its reuse as potable water. The industrial effluent presented high content of dyes [...] Read more.
An integrated membrane process for treatment of effluents from food additive manufacturing was designed and evaluated on a laboratory scale. The principal focus was water recovery with the possibility of its reuse as potable water. The industrial effluent presented high content of dyes and salts. It was red in color and presented brine characteristics. The whole effluent was fed into the integrated process in continuous flow. The steps of the process are as follows: sedimentation (S), adsorption by activated carbon (AC), ion exchange using resins (IEXR), and reverse osmosis (RO) (S–AC–IEXR–RO). The effect of previous operations was evaluated by stress-rupture curves in packaged columns of AC and IEXR, membrane flux, and fouling dominance in RO. Fouling was evaluated by way of the Silt Density Index and membrane resistance examination during effluent treatment. The integrated membrane process provided reclaimed water with sufficiently high standards of quality for reuse as potable water. AC showed a high efficiency for color elimination, reaching its rupture point at 20 h and after 5L of effluent treatment. IEXR showed capacity for salt removal, providing 2.2–2.5 L of effluent treatment, reaching its rupture point at 11–15 h. As a result of these previous operations and operating conditions, the fouling of the RO membrane was alleviated, displaying high flux of water: 20–18 L/h/m2 and maintaining reversible fouling dominance at a feed flow rate of 0.5–0.7 L/h. The characteristics of the reclaimed water showed drinking water standards Full article
(This article belongs to the Special Issue Advanced Membrane Technologies for Water and Wastewater Treatment)
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14 pages, 4707 KiB  
Article
Separation of Mercury(II) from Industrial Wastewater through Polymer Inclusion Membranes with Calix[4]pyrrole Derivative
by Iwona Zawierucha, Anna Nowik-Zajac, Jakub Lagiewka and Grzegorz Malina
Membranes 2022, 12(5), 492; https://doi.org/10.3390/membranes12050492 - 30 Apr 2022
Cited by 8 | Viewed by 2627
Abstract
Polymer membranes with immobilized ligands are encouraging alternatives for the removal of toxic metal ions from aquatic waste streams, including industrial wastewater, in view of their high selectivity, stability, removal efficacy and low energy demands. In this study, polymer inclusion membranes (PIMs) based [...] Read more.
Polymer membranes with immobilized ligands are encouraging alternatives for the removal of toxic metal ions from aquatic waste streams, including industrial wastewater, in view of their high selectivity, stability, removal efficacy and low energy demands. In this study, polymer inclusion membranes (PIMs) based on cellulose triacetate, with a calix[4]pyrrole derivative as an ion carrier, were tested for their capability to dispose mercury (Hg(II)) ions from industrial wastewater. The impacts were assessed relative to carrier content, the quantity of plasticizer in the membrane, the hydrocholoric acid concentration in the source phase, and the character of the receiving phase on the performance of Hg(II) elimination. Optimally designed PIMs could be an interesting option for the industrial wastewater treatment due to the high removal efficiency of Hg(II) and great repeatability. Full article
(This article belongs to the Special Issue Advanced Membrane Technologies for Water and Wastewater Treatment)
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14 pages, 2426 KiB  
Article
Removal of Copper (II), Zinc (II), Cobalt (II), and Nickel (II) Ions by PIMs Doped 2-Alkylimidazoles
by Elzbieta Radzyminska-Lenarcik, Kamila Maslowska and Wlodzimierz Urbaniak
Membranes 2022, 12(1), 16; https://doi.org/10.3390/membranes12010016 - 23 Dec 2021
Cited by 5 | Viewed by 2530
Abstract
Polymer inclusion membranes (PIMs) are an attractive approach to the separation of metals from an aqueous solution. This study is concerned with the use of 2-alkylimidazoles (alkyl = methyl, ethyl, propyl, butyl) as ion carriers in PIMs. It investigates the separation of copper [...] Read more.
Polymer inclusion membranes (PIMs) are an attractive approach to the separation of metals from an aqueous solution. This study is concerned with the use of 2-alkylimidazoles (alkyl = methyl, ethyl, propyl, butyl) as ion carriers in PIMs. It investigates the separation of copper (II), zinc (II), cobalt (II), and nickel (II) from aqueous solutions with the use of polymer inclusion membranes. PIMs are formed by casting a solution containing a carrier (extractant), a plasticizer (o-NPPE), and a base polymer such as cellulose triacetate (CTA) to form a thin, flexible, and stable film. The topics discussed include transport parameters, such as the type of carrier, initial fluxes, separation coefficients of copper in relation to other metals, as well as transport recovery of metal ions. The membrane was characterized using AFM and SEM to obtain information on its composition. Full article
(This article belongs to the Special Issue Advanced Membrane Technologies for Water and Wastewater Treatment)
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14 pages, 3049 KiB  
Article
Applicability of a Combined DAF-MF Process to Respond to Changes in Reservoir Water Quality through a Two-Year Pilot Plant Operation
by Joon-seok Kang, Jayeong Seong, Jewan Yoo, Pooreum Kim, Kitae Park, Jaekyu Lee, Jihoon Cheon, Hyungsoo Kim and Sangyoup Lee
Membranes 2021, 11(12), 964; https://doi.org/10.3390/membranes11120964 - 07 Dec 2021
Cited by 1 | Viewed by 2349
Abstract
The optimal operating conditions of a combined dissolved air flotation (DAF)-microfiltration (MF) process to respond to changes in raw water quality were investigated by operating a pilot plant for two years. Without DAF pre-treatment (i.e., MF alone), MF operated stably with a transmembrane [...] Read more.
The optimal operating conditions of a combined dissolved air flotation (DAF)-microfiltration (MF) process to respond to changes in raw water quality were investigated by operating a pilot plant for two years. Without DAF pre-treatment (i.e., MF alone), MF operated stably with a transmembrane pressure (TMP) increase of 0.24 kPa/d when the turbidity of raw water was low and stable (max. 13.4 NTU). However, as the raw water quality deteriorated (max. 76.9 NTU), the rate of TMP increase reached 43.5 kPa/d. When DAF pre-treatment was applied (i.e., the combined DAF-MF process), the MF process operated somewhat stably; however, the rate of TMP increase was relatively high (i.e., 0.64 kPa/d). Residual coagulants and small flocs were not efficiently separated by the DAF process, exacerbating membrane fouling. Based on the particle count analysis of the DAF effluent, the DAF process was optimised based on the coagulant dose and hydraulic loading rate. After optimisation, the rate of TMP increase for the MF process stabilised at 0.17 kPa/d. This study demonstrates that the combined DAF-MF process responded well to substantial changes in raw water quality. In addition, it was suggested that the DAF process must be optimised to avoid excessive membrane fouling. Full article
(This article belongs to the Special Issue Advanced Membrane Technologies for Water and Wastewater Treatment)
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14 pages, 4504 KiB  
Article
Laboratory Scale Evaluation of Fertiliser Factory Wastewater Treatment through Membrane Distillation and Reverse Osmosis
by M. Tagliabue, J. Tonziello, A. Bottino, G. Capannelli, A. Comite, M. Pagliero, F. Boero and C. Cattaneo
Membranes 2021, 11(8), 610; https://doi.org/10.3390/membranes11080610 - 10 Aug 2021
Cited by 4 | Viewed by 2075
Abstract
The incumbent water stress scenario imposes wastewater valorisation to freshwater, promoting technology for its effective treatment. Wastewater from fertiliser factories is quite problematic because of its relevant acidity and solute content. Its treatment through vacuum membrane distillation (VMD) was evaluated through laboratory scale [...] Read more.
The incumbent water stress scenario imposes wastewater valorisation to freshwater, promoting technology for its effective treatment. Wastewater from fertiliser factories is quite problematic because of its relevant acidity and solute content. Its treatment through vacuum membrane distillation (VMD) was evaluated through laboratory scale tests at 40 °C and 25 mbar vacuum pressure with polytetrafluoroethylene and polypropylene flat-sheet porous membranes. The wastewater from a partially disused Italian industrial site was considered. VMD distillate fluxes between 22 and 57.4 L m−2 h−1 (LMH), depending on the pore size of the membranes, along with very high retention (R > 99%) for anions (Cl, NO3, SO42−, PO43−), NH4+, and chemical oxygen demand (COD) were observed. Laboratory scale reverse osmosis (RO) tests at 25 °C and increasing of the operating pressure (from 20 bar to 40 bar) were carried out with a seawater desalination membrane for comparison purposes. Permeability values around 1.1 LMH/bar almost independently of the operating pressure were observed. Lower retentions than those measured from VMD tests were found. Finally, for any given RO operating pressure, the flux recovery ratio (FRR) calculated from permeate fluxes measured with pure water before and after wastewater treatment was always much lower that evaluated for VMD membranes. Full article
(This article belongs to the Special Issue Advanced Membrane Technologies for Water and Wastewater Treatment)
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24 pages, 4551 KiB  
Article
Evaluation of Performance of Existing RO Drinking Water Stations in the North Central Province, Sri Lanka
by Suresh Indika, Yuansong Wei, Dazhou Hu, Jegetheeswaran Ketharani, Tharindu Ritigala, Titus Cooray, M. A. C. K. Hansima, Madhubashini Makehelwala, K. B. S. N. Jinadasa, Sujithra K. Weragoda and Rohan Weerasooriya
Membranes 2021, 11(6), 383; https://doi.org/10.3390/membranes11060383 - 24 May 2021
Cited by 17 | Viewed by 4865
Abstract
Reverse osmosis (RO) drinking water stations have been introduced to provide safe drinking water for areas with prevailing chronic kidney disease with unknown (CKDu) etiology in the dry zone of Sri Lanka. In this investigation, RO drinking water stations established by community-based organizations [...] Read more.
Reverse osmosis (RO) drinking water stations have been introduced to provide safe drinking water for areas with prevailing chronic kidney disease with unknown (CKDu) etiology in the dry zone of Sri Lanka. In this investigation, RO drinking water stations established by community-based organizations (CBO) in the North Central Province (NCP) were examined. Water samples were collected from source, permeate, and concentrate in each station to determine water quality and performance. Furthermore, the operators of the systems were interviewed to evaluate operational and maintenance practices to identify major issues related to the RO systems. Results show that the majority (>93%) of RO systems had higher salt rejection rates (>92%), while water recovery varied from 19.4% to 64%. The removal efficiencies of hardness and alkalinity were averaged at 95.8% and 86.6%, respectively. Most dominant ions such as Ca2+, Mg2+, K+, Na+, Ba2+, Sr2+ Cl, F, and SO42− showed higher rejections at averaged values of 93.5%, 97.4%, 86.6%, 90.8%, 95.4%, 96.3%, 95.7%, 96.6%, and 99.0%, respectively. Low recovery rates, lower fluoride levels in product water, and membrane fouling were the main challenges. Lack of knowledge and training were the major issues that could shorten the lifespan of RO systems. Full article
(This article belongs to the Special Issue Advanced Membrane Technologies for Water and Wastewater Treatment)
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Review

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14 pages, 2278 KiB  
Review
A Brief Review of the Status of Low-Pressure Membrane Technology Implementation for Petroleum Industry Effluent Treatment
by Kasro Kakil Hassan Dizayee and Simon J. Judd
Membranes 2022, 12(4), 391; https://doi.org/10.3390/membranes12040391 - 31 Mar 2022
Cited by 3 | Viewed by 2250
Abstract
Low-pressure membrane technology (ultrafiltration and microfiltration) has been applied to two key effluents generated by the petroleum industry: produced water (PW) from oil exploration, a significant proportion being generated offshore, and onshore refinery/petrochemical effluent. PW is treated physicochemically to remove the oil prior [...] Read more.
Low-pressure membrane technology (ultrafiltration and microfiltration) has been applied to two key effluents generated by the petroleum industry: produced water (PW) from oil exploration, a significant proportion being generated offshore, and onshore refinery/petrochemical effluent. PW is treated physicochemically to remove the oil prior to discharge, whereas the onshore effluents are often treated biologically to remove both the suspended and dissolved organic fractions. This review examines the efficacy and extent of implementation of membrane technology for these two distinct applications, focusing on data and information pertaining to the treatment of real effluents at large/full scale. Reported data trends from PW membrane filtration reveal that, notwithstanding extensive testing of ceramic membrane material for this duty, the mean fluxes sustained are highly variable and generally insufficiently high for offshore treatment on oil platforms where space is limited. This appears to be associated with the use of polymer for chemically-enhanced enhanced oil recovery, which causes significant membrane fouling impairing membrane permeability. Against this, the application of MBRs to onshore oil effluent treatment is well established, with a relatively narrow range of flux values reported (9–17 L·m−2·h−1) and >80% COD removal. It is concluded that the prospects of MBRs for petroleum industry effluent treatment are more favorable than implementation of membrane filtration for offshore PW treatment. Full article
(This article belongs to the Special Issue Advanced Membrane Technologies for Water and Wastewater Treatment)
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