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Application of Membrane Capacitive Deionization Technology in Desalination and Wastewater Treatment

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

Deadline for manuscript submissions: closed (25 November 2024) | Viewed by 1576

Special Issue Editors


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Guest Editor
Center of Applied Research (CAR), Karlsruhe University of Applied Sciences, Karlsruhe, Germany
Interests: water treatment; water-energy nexus; membrane technology; membrane bioreactor; capacitive deionization; desalination

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Guest Editor Assistant
Center of Applied Research (CAR), Karlsruhe University of Applied Sciences, Karlsruhe, Germany
Interests: desalination; water reuse; membrane capacitive deionization; renewable energies; WEFE

Special Issue Information

Dear Colleagues,

Membrane Capacitive Deionization (MCDI) is an innovative technology that has gained significant attention in recent years for its promising applications in desalination and wastewater treatment, offering an energy-efficient and cost-effective alternative to traditional desalination and water treatment methods. MCDI is an electrochemical ion removal process that utilizes charged porous activated carbon electrodes with high surface areas to remove ions through alternating charge and discharge cycles. The MCDI uses ion-exchange membranes, which are placed on the electrodes to prevent the adsorption of oppositely charged ions, especially during the discharge phase, and thus increases efficiency compared to CDI without membranes.

This Special Issue aims to compile cutting-edge research on Membrane Capacitive Deionization Technology, providing a platform for researchers and practitioners to share their latest findings on the application of MCDI as water treatment technology as well as innovations and challenges in this rapidly evolving field.

We invite original research, review articles, and case studies covering a broad range of topics related to Membrane Capacitive Deionization including but not limited to the following:

  • Electrode materials and membrane development;
  • Process optimization;
  • Energy efficiency;
  • Desalination applications;
  • Wastewater treatment;
  • Pilot and scale-up;
  • Environmental impact assessment.

We look forward to receiving your high-quality contributions to this Special Issue, which will undoubtedly contribute to the advancement of Membrane Capacitive Deionization in the field of desalination and wastewater treatment

Prof. Dr. Jan Hoinkis
Guest Editor

Dr. Ulrich Hellriegel
Guest Editor Assistant

Manuscript Submission Information

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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

  • process optimization
  • application
  • pilot trials
  • environmental impact assessment
  • energy efficiency
  • electrode ma-terials
  • membrane materials

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Published Papers (1 paper)

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Research

16 pages, 5088 KiB  
Article
Degradation of Aniline and Antimony in Printing and Dyeing Wastewater by Micro-Oxygenated Hydrolytic Acidification and Their Removal Effects on Chemical Oxygen Demand and Ammonia Nitrogen
by Kun Zhang, Shiqing Ye and Hong Liu
Water 2024, 16(17), 2436; https://doi.org/10.3390/w16172436 - 28 Aug 2024
Cited by 1 | Viewed by 1164
Abstract
The degradation characteristics of aniline and antimony in printing and dyeing wastewater during the micro-oxygenated hydrolytic acidification process and its effect on COD and ammonia nitrogen removal were investigated in this experiment. Firstly, the effects of control factors such as pH, dissolved oxygen [...] Read more.
The degradation characteristics of aniline and antimony in printing and dyeing wastewater during the micro-oxygenated hydrolytic acidification process and its effect on COD and ammonia nitrogen removal were investigated in this experiment. Firstly, the effects of control factors such as pH, dissolved oxygen (DO), and sludge concentration on COD and ammonia nitrogen removal in the hydrolysis acidification section were optimized. It was recommended that the pH value should be maintained at 6.5; low DO (0–0.5 mg/L) could assist in the conversion of nitrogen for subsequent treatment; the optimum treatment temperature was 25 °C; finally, it was recommended that the sludge concentration should be controlled at 4 mg/L during the operation. Secondly, the effects of aniline and antimony on COD and nitrogen removal were investigated. It was found that when the concentration of aniline was increased from 0.4 mg/L to 5.4 mg/L, the COD concentration in the effluent increased by 96.5%, which indicated that aniline was toxic to anaerobic sludge and obviously inhibited the degradation of COD. When the concentration of antimony was increased from 0.05 mg/L to 2.05 mg/L, the COD removal rate was only 2.9%, which was much lower than that of the water samples with no antimony added. The anaerobic sludge concentration decreased from 5.58 g/L to 3.44 g/L, which indicated that aniline and antimony had a strong inhibitory effect on the activity of anaerobic bacteria and inversely affected COD removal. Full article
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