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Porous Materials and Their Applications in Water Pollution Control and Resource Recycling

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

Deadline for manuscript submissions: closed (20 September 2024) | Viewed by 3050

Special Issue Editor

Dr. Farzaneh Mahmoudi

E-Mail Website
Guest Editor
Department of Chemistry, University of Miami, 1301 Memorial Drive, Coral Gables, FL 33146, USA
Interests: coordination compounds; metal organic frameworks; ceramic and perovskite nanomaterials; metal oxide; metal phosphide; MXene; photocatalyst; adsorbent; wastewater treatment and water splitting
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Water quality is one of the main challenges threatening human health, reducing ecosystem functions, and hindering economic growth. The presence of environmental pollution raises the issue of pollution control. Great efforts have been made to limit the release of harmful substances into the environment through wastewater treatment, with the application of novel catalysts. Furthermore, water recycling has proven to be effective and successful in creating a new and reliable water supply without compromising public health. Advances in wastewater treatment technology and health studies of indirect potable reuse have led many to predict that planned indirect potable reuse will soon become more common.

This Special Issue, entitled “Porous Materials and Their Applications in Water Pollution Control and Resource Recycling”, focuses on recent advances in wastewater treatment including, but not limited to:

  • Application of novel porous materials for monitoring of water quality;
  • Synthesis and application of porous materials for water pollution control processes, including municipal, agricultural, industrial, and on-site wastewater;
  • Synthesis and application of porous materials  for water pollution remediation with advanced oxidation processes (photocatalysis, sonolysis, electrochemical, Fenton oxidation, and catalytic activation);
  • Synthesis and application of porous materials for water pollution remediation with conventional wastewater treatments (adsorption, sedimentation and membrane filtration);
  • Application of porous materials for water recycling and treatment of wastewater for reuse.

We invite contributions from researchers involved in experimental and theoretical aspects linked to water quality monitoring and water pollution remediation technologies.

Dr. Farzaneh Mahmoudi
Guest Editor

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

  • porous materials
  • environmental management
  • water quality monitoring
  • wastewater remediation
  • advanced oxidation processes
  • removal of heavy metal ions
  • heterogeneous catalysts
  • resource recycling

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Published Papers (3 papers)

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Research

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15 pages, 2424 KiB  
Article
Preparation of CTAB-ATP/CTS Composite Adsorbent and Removal Performance of Norfloxacin in Water
by Hongxia Du, Zihan Wang, Kinjal J. Shah and Yongjun Sun
Water 2024, 16(17), 2446; https://doi.org/10.3390/w16172446 - 29 Aug 2024
Viewed by 594
Abstract
In this article, attapulgite (ATP) as a raw material, hexadecyltrimethylammonium bromide (CTAB) as a modifier, and chitosan (CTS) as a composite are used to prepare a natural mineral-based composite adsorbent CTAB-ATP/CTS for the adsorption of norfloxacin in water. Scanning electron microscopy (SEM), Fourier [...] Read more.
In this article, attapulgite (ATP) as a raw material, hexadecyltrimethylammonium bromide (CTAB) as a modifier, and chitosan (CTS) as a composite are used to prepare a natural mineral-based composite adsorbent CTAB-ATP/CTS for the adsorption of norfloxacin in water. Scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), and specific surface area (BET) were used for characterization. When the initial pH is 7, the dosage of adsorbent is 3 g/L, and the initial concentration of norfloxacin is 50 mg/L, the reaction temperature is 25 °C, the shaking time is 4 h, and the maximum removal rate and adsorption capacity of CTAB-ATP/CTS for norfloxacin reached 94.62% and 23.66 mg/g, respectively. The adsorption of norfloxacin by CTAB-ATP/CTS is more consistent with the pseudo-second-order kinetic model (R2 = 0.9999, 0.9998, 0.9999 at initial concentrations of 25 mg/L, 50 mg/L, 75 mg/L), and the Langmuir isotherm adsorption model(R2 = 0.9903, 0.9935, 0.9933 at temperatures of 25 °C, 30 °C, 35 °C), indicating that the adsorption process of the composite material is controlled by chemical adsorption and its adsorption behavior is mainly single-layer adsorption. Full article
(This article belongs to the Special Issue Porous Materials and Their Applications in Water Pollution Control and Resource Recycling)
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15 pages, 6394 KiB  
Article
Toxic Congo Red Dye Photodegradation Employing Green Synthesis of Zinc Oxide Nanoparticles Using Gum Arabic
by Huda S. Alhasan, Alaa R. Omran, Abdullah Al Mahmud, Amr Hussein Mady and Mohammad R. Thalji
Water 2024, 16(15), 2202; https://doi.org/10.3390/w16152202 - 2 Aug 2024
Cited by 2 | Viewed by 1185
Abstract
A green synthesis method for producing zinc oxide nanoparticles (ZnO NPs) was presented using natural Gum Arabic (GA) as a natural stabilizing agent. For the first time, the as-synthesized ZnO NPs were employed to photodegrade the toxic Congo Red (CR) dye in an [...] Read more.
A green synthesis method for producing zinc oxide nanoparticles (ZnO NPs) was presented using natural Gum Arabic (GA) as a natural stabilizing agent. For the first time, the as-synthesized ZnO NPs were employed to photodegrade the toxic Congo Red (CR) dye in an aqueous solution. The structural and morphological characterizations confirmed the successful synthesis of ZnO NPs. The ZnO NPs possessed an average crystallite size of 42.7 nm. In addition, it was found that a concentration of 20 mg L−1 of CR dye yielded the most favorable photodegradation results, and 4 mg mL−1 of the photocatalyst was the optimal amount. The results showed a maximum degradation percentage of 99.5% at pH 8 after 30 min of irradiation. This indicates that the as-synthesized ZnO NPs have remarkable photocatalytic properties. Moreover, the study demonstrated the suitability of the pseudo-first-order kinetic model for representing the photodegradation process through kinetic studies of the photocatalyst process of CR dye by ZnO NPs using the Langmuir-Hinshelwood (L-H) model. Full article
(This article belongs to the Special Issue Porous Materials and Their Applications in Water Pollution Control and Resource Recycling)
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Review

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26 pages, 5657 KiB  
Review
Application of Metal–Organic Framework-Based Composite Materials for Photodegradation of Dye Pollutants in Wastewater
by Farzaneh Mahmoudi and Leonidas G. Bachas
Water 2024, 16(21), 3051; https://doi.org/10.3390/w16213051 - 24 Oct 2024
Viewed by 811
Abstract
Water pollution is one of the main challenges that severely affects human health and aquatic ecosystems. Chemical pollutants, including industrial waste, agricultural runoff, and clinical sources, can contaminate water. Photocatalytic processes present clean, renewable, and efficient techniques for degrading organic contaminants in wastewater. [...] Read more.
Water pollution is one of the main challenges that severely affects human health and aquatic ecosystems. Chemical pollutants, including industrial waste, agricultural runoff, and clinical sources, can contaminate water. Photocatalytic processes present clean, renewable, and efficient techniques for degrading organic contaminants in wastewater. Metal–organic frameworks (MOFs) are one of the more efficient materials in wastewater remediation due to their significantly high surface area and tunable structures. This review summarizes the development of novel composite materials based on MOFs for the photocatalytic decomposition of dye contaminants in wastewater. Different synthesis methods of MOFs and composite materials are explored. Several strategies for enhancing the photocatalytic activity of MOFs are discussed. Photocatalytic reaction conditions and suggested mechanisms are summarized, particularly for eliminating dye contaminants using MOF-based composite materials. The designed composite materials demonstrate improved stability and photocatalytic activity. This review provides strategies for designing MOF-based composite materials and improving their efficiency and stability for the photocatalytic elimination of dye pollutants in wastewater. Additionally, the review addresses challenges in advancing MOF-based composite materials. Full article
(This article belongs to the Special Issue Porous Materials and Their Applications in Water Pollution Control and Resource Recycling)
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