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Water
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Nanomaterials Application in the Treatment of Wastewater
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Nanomaterials Application in the Treatment of Wastewater

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

Deadline for manuscript submissions: closed (28 August 2023) | Viewed by 3336

Special Issue Editors

Dr. Asim Ali Yaqoob

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Guest Editor
Research Institute for Advanced Industrial Technology, College of Science and Technology, Korea University, Sejong 30019, Republic of Korea
Interests: nanomaterial; environmental remediation; biomass reutilization; bioelectrochemical system; wastewater treatment
Special Issues, Collections and Topics in MDPI journals
Dr. Mohamad Nasir Mohamad Ibrahim

E-Mail Website
Guest Editor
School of Chemical Sciences, Universiti Sains Malaysia, Penang, Malaysia
Interests: nanomaterials; biomass reutilization; material chemistry; nanocomposite; microbial fuel cells; wastewater treatment
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Water pollution is now a major problem that plagues both developing and developed countries. Extensive industrialization and vigorous agricultural operations are the principal contributors to the pollution of land, water, and air. As a result of this, a new strategy that is effective while also being less harmful and producing better results is necessary. In the context of remediating the environment pollutant (wastewater treatment), there has been a lot of interest in the use of nanomaterials. Nanomaterials are superior to more traditional methods of environmental remediation due to the enormous surface area that they possess as well as the high level of reactivity that this surface area confers. They are responsive to modification for specialized applications to give innovative features. Nanoscale materials have the potential to be particularly reactive because they have a huge surface area relative to their volume and have greater number of reactive sites.

Advanced wastewater treatment can be achieved using engineered nanomaterials, such as nanotubes, nanomembranes, and nanoparticles. To promote the removal of certain components of wastewater and increase productivity, these nanomaterials have been established in the development of catalysts, and adsorbent materials. At the moment, biomass derived carbon nanotubes, green synthesized metal oxide nanomaterial, zero-valent metal nanoparticles, and biomass-derived nanocomposites are the key nanomaterials for water and wastewater treatment that have received the most attention. Furthermore, the use of nanomaterials in bioelectrochemical systems is an emerging topic these days. The novel concept of using nanomaterials in bioelectrochemical systems to remediate organic/inorganic pollutants is enthusiastically appreciated.

Dr. Asim Ali Yaqoob
Dr. Mohamad Nasir Mohamad Ibrahim
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

  • biomass based nanomaterial
  • nanoadsorbent
  • nanocatalyst
  • organic/inorganic pollutants
  • nanomaterial application in bioelectrchemical system
  • wastewater treatment
  • nanocomposites

Published Papers (2 papers)

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Research

22 pages, 8318 KiB  
Article
Design and Modeling of a Biotechnological Nanofiltration Module Using Bacterial Cellulose Membranes for the Separation of Oily Mixtures
by Alexandre D’Lamare Maia de Medeiros, Cláudio José Galdino da Silva Junior, Júlia Didier Pedrosa de Amorim, Italo José Batista Durval, Ricardo Barbosa Damian, Yasmim de Farias Cavalcanti, Andréa Fernanda de Santana Costa and Leonie Asfora Sarubbo
Water 2023, 15(11), 2025; https://doi.org/10.3390/w15112025 - 26 May 2023
Cited by 1 | Viewed by 1585
Abstract
The environmental impacts of the exploration and use of petroleum and derivatives in recent decades have led to increasing interest in novel materials and processes for the treatment of oily effluents. Oily emulsions are difficult to manage and, in some cases, require different [...] Read more.
The environmental impacts of the exploration and use of petroleum and derivatives in recent decades have led to increasing interest in novel materials and processes for the treatment of oily effluents. Oily emulsions are difficult to manage and, in some cases, require different types of treatment or combined methods for phase separation. Sustainable, versatile, innovative biomaterials, such as bacterial cellulose (BC), have considerable applicability potential in mixture separation methods. In the present study, a cellulose membrane produced by a symbiotic culture of bacteria and yeasts (SCOBY) was investigated with the aim of measuring the characteristics that would enable its use in the treatment of oily wastewater. BC was analyzed through physicochemical characterizations, which demonstrated its porosity (>75%), chemical structure with high cellulose content and a large quantity of intramolecular H bonds, good thermal stability with maximum degradation at temperatures close to 300 °C, high crystallinity (66%), nanofibrils of approximately 84 nm in diameter and mechanical properties that demonstrated tensile strength of up to 65.53 Mpa, stretching of approximately 18.91% and the capacity to support a compression load of around 5 kN with only the loss of free water in its structure. The characteristic data of the membranes were used for the production of a filtering module for oily mixture separation processes. This support was developed with computational fluid dynamics of finite volumes and finite element structural analysis using advanced computer-assisted engineering tools. Lastly, the conceptual, basic project of a low-cost nanofiltration module was obtained; this module could be expanded to the industrial scale, operating with several modules in parallel. Full article
(This article belongs to the Special Issue Nanomaterials Application in the Treatment of Wastewater)
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16 pages, 2325 KiB  
Article
Kinetic, Thermodynamic and Adsorption Isotherm Studies of Detoxification of Eriochrome Black T Dye from Wastewater by Native and Washed Garlic Peel
by Muhammad Alamzeb, Madiha Tullah, Saqib Ali, Ihsanullah, Behramand Khan, William N. Setzer, Nabil Al-Zaqri and Mohamad Nasir Mohamad Ibrahim
Water 2022, 14(22), 3713; https://doi.org/10.3390/w14223713 - 16 Nov 2022
Cited by 6 | Viewed by 2811
Abstract
Eriochrome Black T (EBT) is mutagenic and carcinogenic, and thus its presence in water may result in severe illnesses. This study was aimed at adsorbing EBT from simulated water samples by using a batch adsorption process, onto native (GP) and washed garlic peel [...] Read more.
Eriochrome Black T (EBT) is mutagenic and carcinogenic, and thus its presence in water may result in severe illnesses. This study was aimed at adsorbing EBT from simulated water samples by using a batch adsorption process, onto native (GP) and washed garlic peel (WGP). Surface and structural characterization of native and washed GP was performed using FTIR, SEM, BET, and BJH analysis. The effects of several parameters, affecting the process of adsorption, like pH, temperature, contact time, adsorbent dose, and initial dye concentration, were also examined. Freundlich and Langmuir isotherms were applied to the equilibrium data. Pseudo-first and pseudo-second order models were used to study the adsorption kinetics. The Langmuir isotherm and pseudo-second order model perfectly explained the equilibrium data. ΔG°, ΔH°, ΔS° studies indicated that adsorption of EBT onto GP and WGP was a favorable, spontaneous, and physical process. Maximum dye removal by GP (96%) and WGP (82%) was observed at pH 2. Similarly Maximum adsorption capacities were found to be 99.5 mg/g and 89.4 mg/g for GP and WGP, respectively. It is concluded from these results that garlic peel can be used as a cheaper and more efficient material for the adsorptive removal of EBT from contaminated water samples. Full article
(This article belongs to the Special Issue Nanomaterials Application in the Treatment of Wastewater)
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