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Processes
Special Issues
Magnetic Nanoparticles in Green Manufacturing for Sustainability
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Magnetic Nanoparticles in Green Manufacturing for Sustainability

A special issue of Processes (ISSN 2227-9717). This special issue belongs to the section "Manufacturing Processes and Systems".

Deadline for manuscript submissions: closed (31 March 2024) | Viewed by 1007

Special Issue Editors

Dr. Evangelos Karvelas

E-Mail Website
Guest Editor
Department of Mechanical Engineering, University of West Attica, 12243 Athens, Greece
Interests: nanoparticles; magnetic navigation; nanoparticles’ mixing; water purification; active treatment; blood flow; optimization algorithms; micropolar fluids; ionic liquids
Prof. Dr. Theodoros Karakasidis

E-Mail Website
Guest Editor
Department of Physics, University of Thessaly, Lamia, Greece
Interests: nanaotechnologies; nanoscience; machine learning; artificial intelligence; atomistic modelling; multiscale modeling
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

In recent years, magnetic nanoparticles (MNPs) have emerged as a promising technology in the field of green manufacturing. MNPs are small particles with magnetic properties that can be easily controlled and manipulated using magnetic fields. This innovation has the potential to revolutionize the way products are manufactured, making the process more sustainable and environmentally friendly. One of the major benefits of MNPs is that they can be used as catalysts in chemical reactions, allowing for the production of products with fewer waste products and lower energy consumption.

The aim of this Special Issue of Processes is to present the state-of-the-art applications of nanoparticles for green manufacturing, including both experimental and numerical studies. Advanced research for the recovery and reusability of MNPs in order to save resources and reduce the amount of waste produced in the manufacturing process is also welcome. In addition, innovative methods for the production of biofuels as well as cleaning and purifying contaminated water and soil procedures by using MNPs are also welcome. Contributions that study the production of biofuels, waste reduction, resource conservation, and pollution control using MNPs are also very much appreciated.

Dr. Evangelos Karvelas
Prof. Dr. Theodoros Karakasidis
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. Processes 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 2400 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

  • green synthesis
  • magnetic nanoparticles
  • biocatalysis
  • anticorrosive coatings
  • biosynthesis
  • magnetic separation
  • bioactive agents
  • nanoparticles reusability
  • bioenergy
  • nanoadsorbent

Published Papers (1 paper)

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Research

20 pages, 3708 KiB  
Article
Mass-Integration and Environmental Evaluation of Chitosan Microbeads Production Modified with of Thiourea and Magnetite Nanoparticles
by Ángel Darío González-Delgado, Grisel Cogollo-Cárcamo and Forlin Bertel-Pérez
Processes 2023, 11(7), 2208; https://0-doi-org.brum.beds.ac.uk/10.3390/pr11072208 - 22 Jul 2023
Viewed by 714
Abstract
Bioadsorbents based on biopolymers modified with magnetic nanoparticles stand out for being non-toxic, effective, and easy to recover. Thus, the objective of the present work was to carry out a computer-aided environmental evaluation of the industrial-scale production of bioadsorbents from chitosan modified with [...] Read more.
Bioadsorbents based on biopolymers modified with magnetic nanoparticles stand out for being non-toxic, effective, and easy to recover. Thus, the objective of the present work was to carry out a computer-aided environmental evaluation of the industrial-scale production of bioadsorbents from chitosan modified with iron nanoparticles and functionalized with thiourea as a chelating agent plus mass integration. The plant simulation was carried out in Aspen Plus, and for the mass integration of the process, a pinch analysis was used to determine the minimum target fresh and residual water amount, assuming two process stages: (1) the synthesis of magnetite nanoparticles, and (2) the production of chitosan-based bioadsorbents. The environmental assessment was performed using the waste reduction algorithm (WAR). The potential environmental impact (PEI) was quantified, taking into account the impact of the products and energy, obtaining a value below zero of −0.78 PEI/kg of the product. The photochemical oxidation potential (PCOP) stood out as the category with the greatest impact, mainly related to the use of ethanol during washing. The categories related to toxicological impacts (HTPI, HTPE, TTP, and ATP) had lower values than those related to atmospheric impacts (GWP, ODP, PCOP, and AP). The mass integration of the process resulted in fewer impacts in the HTPE category, as a consequence of the decrease in NaOH in the residual streams and the release of 0.297 PEI/kg of product in the ATP category caused by the presence of Al(OH)₃. It can be concluded that the mass integration managed to reduce up to 51% of the freshwater used in the processes, and it is a useful tool, as it slightly decreased the total potential impacts. Full article
(This article belongs to the Special Issue Magnetic Nanoparticles in Green Manufacturing for Sustainability)
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