Special Issue "Applications of Nanocatalytic Processes: Water, Wastewater and Air Treatment"

A special issue of Catalysts (ISSN 2073-4344). This special issue belongs to the section "Nanostructured Catalysts".

Deadline for manuscript submissions: 30 November 2023 | Viewed by 511

Special Issue Editors

1. Department of Chemical Engineering, Chandigarh University, Gharuan, Mohali 140413, India
2. University Centre for Research and Development, Chandigarh University, Gharuan, Mohali 140413, India
Interests: green chemistry; nanomaterials; sustainable synthesis; environmental remediation’s; advanced oxidation processes; heavy metal ion sensing; catalysis; photocatalysis; seed germination; antimicrobial activity
Special Issues, Collections and Topics in MDPI journals
Department of Bio-Technology, Koneru Lakshmaiah Education Foundation, Vaddeswaram, Andhra Pradesh 522302, India
Interests: Biofuel; biopolymer; biological wastewater treatment; fermentation
Special Issues, Collections and Topics in MDPI journals
Department of Civil Engineering, Shiv Nadar University, C-216A, Greater Noida 201314, Uttar Pradesh, India
Interests: biological treatment of wastewater and waste gas; air pollution control; solid waste management
Department of Biotechnology and Bioinformatics, NIIT University, Neemrana 301705, Rajasthan, India
Interests: biological wastewater treatment; waste to energy and value-added products; process development for natural products extraction; life cycle analysis

Special Issue Information

Dear Colleagues,

Environmental pollution has raised significantly in recent years due to the increase in anthropogenic activities. The release of pollutants through these activities causes severe damage to the environment. These pollutants are well-mixed and persistent in soil, water, and air system. Therefore, suitable techniques are required to monitor, detect, and mitigate these contaminants from their source/environment. Several techniques such as physical, chemical, biological, and membrane-based, etc. have been adopted in the recent past for the treatment of these pollutants. However, the complete removal of a few specific pollutants from their source is challenging through these conventional techniques. Therefore, more advanced integrated processes are required to alleviate these pollutants from the environment. With the advancement of nanotechnology in recent years, nanoparticles with unique physicochemical properties have exhibited outstanding accomplishments in several areas including water, wastewater, and air treatment.

In view of this, this Special Issue aims to cover the most recent progress and advances in the application of nanomaterials in the treatment of water, wastewater, and air. This Special Issue invites researchers to contribute original research articles and reviews focusing on the application of nanoparticles in water, wastewater, and air treatment processes. The scope of this special issue covers but is not limited to the following aspects:

  • Synthesis of nanomaterials for environmental application
  • Application of nanomaterials in the degradation of pollutants from water
  • Nanomaterials in wastewater treatment and resource recovery
  • Nanomembranes for wastewater and air treatment
  • Nanoadsorbent
  • Nanocatalysts for VOCs removal
  • Nanosensors for the detection of pollutants

Dr. Jagpreet Singh
Dr. Pritam Kumar Dikshit
Dr. Susant Kumar Padhi
Dr. Lopa Pattanaik
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. Catalysts 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 2200 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.


  • nanoparticles
  • green synthesis of nanoparticles
  • wastewater treatment
  • air treatment
  • pollutants
  • industrial wastewater
  • membrane filtration
  • enzyme immobilization
  • sensor

Published Papers (1 paper)

Order results
Result details
Select all
Export citation of selected articles as:


Application of Biogenic TiO2 Nanoparticles as ORR Catalysts on Cathode for Enhanced Performance of Microbial Fuel Cell
Catalysts 2023, 13(6), 937; https://doi.org/10.3390/catal13060937 - 26 May 2023
Viewed by 393
Microbial fuel cells (MFCs) use microorganisms to break down organic matter and generate power, which is an exciting new field of research. MFCs’ power generation relies on oxygen reduction (ORR) at the cathode. However, the slow kinetics of the ORR can severely limit [...] Read more.
Microbial fuel cells (MFCs) use microorganisms to break down organic matter and generate power, which is an exciting new field of research. MFCs’ power generation relies on oxygen reduction (ORR) at the cathode. However, the slow kinetics of the ORR can severely limit the performance of MFCs. Additionally, the growth of biofilm on the cathode hampers the ORR process. In order to ensure the sustainability of MFCs over time, it is crucial to employ bifunctional catalysts that can address these issues. Biogenic titanium dioxide (TiO2) nanoparticles (NPs) were synthesized and applied to a graphite sheet cathode in this study. Cyanobacteria, Phormidium species NCCU-104, was used to bio-fabricate titanium dioxide (TiO2) nanoparticles. NPs were characterized using SEM and TEM analysis to determine their size, shape, surface morphology, and XRD. The particles had an average size of 18.11 nm, were spherical, and were well-dispersed, according to the results of the physicochemical characterization. TiO2 NPs were evaluated in MFC using different concentrations (0.5–2.5 mg/cm2) in the cathode to generate electricity and coulombic efficiency. MFC with a cathode impregnated with 2.0 mg/cm2 TiO2 NP produced maximum power density (15.2 W/m3), which was 38% more than 0.5 mg/cm2 TiO2 NP. The overall study results indicated that biogenic TiO2 nanoparticles (NPs) could be an effective and low-cost catalyst in the oxygen reduction reaction (ORR) and significantly improve biofouling. Due to its efficient and affordable contribution to the ORR, these results imply that biogenic TiO2 NPs might be a feasible alternative for improving the performance of MFCs. Full article
Show Figures

Figure 1

Back to TopTop