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Water
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Wastewater Treatment: Advanced Methods, Techniques and Processes
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Wastewater Treatment: Advanced Methods, Techniques and Processes

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "New Sensors, New Technologies and Machine Learning in Water Sciences".

Deadline for manuscript submissions: closed (20 June 2024) | Viewed by 679

Special Issue Editor

Prof. Dr. Jie Wang

E-Mail Website
Guest Editor
School of Environmental Science and Engineering, Tiangong University, Tianjin, China
Interests: membrane water treatment technology; wastewater resourcing and energy; development and application of microsensors for environmental pollution analysis

Special Issue Information

Dear Colleagues,

We are seeking papers to be included in this Special Issue, titled "Wastewater Treatment: Advanced Methods, Techniques and Processes".

With increasing concern regarding water shortage and environmental pollution, it is particularly important to find efficient and sustainable methods of water treatment and wastewater resource utilization. Membrane water treatment technology has become one of the key technologies widely used in water treatment by virtue of its efficient separation performance and flexible operation characteristics. At the same time, resource- and energy-based technologies that convert wastewater into recyclables and energy are also attracting attention, providing a more integrated and sustainable solution for wastewater treatment.

Against this background and in order to promote research progress in these areas, this Special Issue is dedicated to finding the latest research papers on membrane-based water treatment technologies and wastewater resourcing and energization. We hope to collect and integrate cutting-edge academic achievements to gain insights and share knowledge about the application of membrane technology in water treatment, membrane contamination mechanisms, and wastewater resourcing technologies.

All manuscripts related to the proposed topic are welcome. Topics of interest include, but are not limited to, the following: membrane separation technology and its application in the field of water treatment; membrane technology; membrane module design and performance optimization; wastewater resourcing technology; the extraction of recyclables and energy from wastewater; and the integrated application of membrane technology with other treatment technologies.

Original research papers or critical reviews are encouraged.

Prof. Dr. Jie Wang
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

  • membrane
  • water treatment
  • water quality
  • wastewater resourcing
  • water purification

Published Papers (1 paper)

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Research

15 pages, 6538 KiB  
Article
rGO/MWCNT-COOH-Modified Electrodes for the Detection of Trace Cd(II) and Zn(II) in Coastal Seawater
by Yang Gu, Chengjun Qiu, Wei Qu, Wei Tao, Zizi Zhao and Huili Hao
Water 2024, 16(14), 2026; https://doi.org/10.3390/w16142026 - 17 Jul 2024
Viewed by 345
Abstract
Cadmium (Cd) and zinc (Zn) in seawater enter the human body through the food chain. Combined toxicity tests indicated that high concentrations of Cd(II) and low concentrations of Zn(II) had a synergistic effect on humans. Thus, there is an urgent need to prepare [...] Read more.
Cadmium (Cd) and zinc (Zn) in seawater enter the human body through the food chain. Combined toxicity tests indicated that high concentrations of Cd(II) and low concentrations of Zn(II) had a synergistic effect on humans. Thus, there is an urgent need to prepare a sensor for rapid and simultaneous detection of Cd(II) and Zn(II) in seawater. Herein, a reduced graphene oxide/carboxylated multi-walled carbon nanotube (rGO/MWCNT-COOH)-modified glassy carbon electrode was prepared in the experiments using the dropping method. The synthesis of various materials achieved the purpose of expanding the surface area, and scanning electron microscopy was used to observe the structure of the composite membrane. Moreover, the large number of functional groups on the surface of the composite membrane can also increase the adsorption of ions. For the determination of trace cadmium (II) and zinc (II) in seawater, the method used was differential pulse voltammetry (DPV). The results show that the peak current, which was obtained in the range of 5–400 μg/L for Cd(II) and Zn(II), has a linear relationship with concentration, corresponding to the detection limits of 0.8 μg/L for Cd(II) and 0.98 μg/L for Zn(II). The modified electrode was used to determine the Cd(II) and Zn(II) content in the coastal seawater of the Maowei Sea, and the recovery rate was between 95.8 and 98.2% for Cd(II) and 96.7~99.4% for Zn(II), which provided a novel approach of detection to define trace Cd(II) and Zn(II) in seawater. Full article
(This article belongs to the Special Issue Wastewater Treatment: Advanced Methods, Techniques and Processes)
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