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Journals
Processes
Special Issues
Novel Recovery Technologies from Wastewater and Waste
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Novel Recovery Technologies from Wastewater and Waste

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

Deadline for manuscript submissions: 15 June 2025 | Viewed by 4323

Special Issue Editors

Dr. Miguel Andrés Peluso

E-Mail Website
Guest Editor
Laboratorio UPL (CICPBA-UNLP), M.B. Gonnet, Buenos Aires, Argentina
Interests: recycling; batteries; PET; plastics, LIBS; lithium; glycolysis; catalysis; life cycle; circular economy; metal oxides; Zn; Mn
Special Issues, Collections and Topics in MDPI journals
Dr. María Victoria Gallegos

E-Mail Website
Guest Editor
Centro de Investigación Y Desarrollo en Ciencias Aplicadas, CIC-CONICET-UNLP, La Plata, Argentina
Interests: recycling; electronic waste; batteries waste; solar cells; waste valorization

Special Issue Information

Dear Colleagues,

We are delighted to invite you to submit your latest research and findings on recovery technologies from wastewater and waste for an upcoming Special Issue of Processes, a scientific journal dedicated to the publication of innovative and high-quality research in engineering, chemistry, environmental science, and related fields.

As we face increasing pressure to address global challenges related to water scarcity and environmental pollution, innovative and sustainable approaches to resource recovery are critical.

Advancements in technology have led to the development of novel and innovative methods for recovering resources from waste and wastewater. These technologies address the increasing challenges of handling and disposing of waste, while also providing a source of valuable materials to be utilized in various industries.

Moreover, the recovered materials and resources from waste and wastewater can reduce greenhouse gas emissions, lower the demand for fossil fuels, and improve overall sustainability. Investing in waste and wastewater recovery technologies not only enables us to be more responsible for our waste management but also provides us with a new source of valuable resources, which are essential for a more sustainable and circular economy.

This Special issue will focus on new and emerging technologies for recovering resources from wastewater and waste that can reduce environmental impact and promote a more efficient resource use.

We welcome submissions on a wide range of topics related to resource recovery technologies, including, but not limited to, adsorption, membrane filtration, electrochemical processes, biotechnology, pyrolysis, and nanotechnology. We are particularly interested in research that provides innovative solutions to the challenges of wastewater treatment and waste management.

We encourage authors to submit original research articles, reviews, and perspectives that highlight the latest advances and challenges in the field of resource recovery. All submitted papers will undergo thorough peer review to ensure the highest standards of quality and scientific rigor.

We look forward to receiving your contributions and publishing groundbreaking research that will shape the future of resource recovery in the years to come.

Prof. Dr. Miguel Andrés Peluso
Dr. María Victoria Gallegos
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

  • recycling
  • life cycle
  • waste valorization
  • wastewater treatment
  • resource recovery
  • sustainable development
  • electronic waste
  • nanotechnology

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Further information on MDPI's Special Issue polices can be found here.

Published Papers (4 papers)

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Research

12 pages, 2871 KiB  
Article
Recovery of Cellulose Contained in Mixed Fabrics
by Juan A. Conesa and Viviana N. Córdoba
Processes 2024, 12(12), 2854; https://doi.org/10.3390/pr12122854 - 12 Dec 2024
Viewed by 413
Abstract
The present work focuses on the recovery of cellulose from mixed fabrics containing polyester and cotton through the use of different chemical and hydrothermal treatment methods. Through the application of various analytical techniques, such as thermogravimetry (TG) and infrared spectroscopy (IR), we seek [...] Read more.
The present work focuses on the recovery of cellulose from mixed fabrics containing polyester and cotton through the use of different chemical and hydrothermal treatment methods. Through the application of various analytical techniques, such as thermogravimetry (TG) and infrared spectroscopy (IR), we seek to determine the effectiveness of the methods used. The results indicate that different treatments with NaOH and distilled water at high temperatures and pressures are particularly effective for the extraction of the cellulose fraction. Furthermore, these methods were compared with previous studies to evaluate their feasibility and sustainability. The findings underline the importance of selecting appropriate experimental conditions to maximize the purity of the cellulose obtained and minimize fiber degradation, thus promoting more efficient and sustainable textile recycling processes. These results have significant implications for industrial applications by enabling the development of scalable recycling methods and contribute to reducing the environmental impact of textile waste. Full article
(This article belongs to the Special Issue Novel Recovery Technologies from Wastewater and Waste)
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13 pages, 4244 KiB  
Article
Bioleaching of Industrial Metallic Steel Waste by Mixed Cultures of Thermoacidophilic Archaea
by Alma Memic, Artem Mashchenko, Denise Kölbl, Holger Schnideritsch, Dominik Wohlmuth, Gerald Klösch and Tetyana Milojevic
Processes 2024, 12(11), 2327; https://doi.org/10.3390/pr12112327 - 23 Oct 2024
Viewed by 763
Abstract
Different mixed cultures of extremely thermoacidophilic microorganisms were used for bioleaching of metalliferous industrial dust waste derived from the basic oxygen furnace (BOF) steelmaking process. Such mixed cultures can extract various metals from multi-metallic BOF-dust waste, improving the metal dissolution and bioleaching performance [...] Read more.
Different mixed cultures of extremely thermoacidophilic microorganisms were used for bioleaching of metalliferous industrial dust waste derived from the basic oxygen furnace (BOF) steelmaking process. Such mixed cultures can extract various metals from multi-metallic BOF-dust waste, improving the metal dissolution and bioleaching performance in frames of metal recycling processes to assist circular economies and waste management. The results of the investigation showed that mixed cultures of thermoacidophilic archaea of the order Sulfolobales (Acidianus spp., Sulfolobus spp., and Metallosphaera sedula) during their growth in laboratory glass bioreactors provided a superior bioleaching system to Acidianus manzaensis alone. Depending on the composition of mixed thermoacidophilic cultures, extraction of various metals from BOF-dust could be achieved. Among the three different types of mixed cultures tested, the mixed culture system of A. manzaensis, A. brierleyi, and S. acidocaldarius was most effective for extraction of major elements (Fe, Ca, Zn, Mn, and Al). The mixed culture of A. manzaensis, A. brierleyi, and M. sedula showed high performance for bioleaching of most of the minor elements (Cu, Ni, Pb, Co, Mo, and Sr). The efficient ability of mixed cultures to colonise the mineral matrix of the metal waste product was observed via scanning electron microscopy, while their metal extraction capacities were analysed by inductively coupled plasma mass spectrometry. These investigations will promote the further design of microbial consortia in order to break down the solid matrix and efficiently extract metals from metalliferous waste materials. Full article
(This article belongs to the Special Issue Novel Recovery Technologies from Wastewater and Waste)
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11 pages, 1210 KiB  
Article
The Evaluation and Optimization of a Decentralized Incineration Facility for Animal By-Products: Performance, Cost Analysis and Resource Recovery
by Panagiotis J. Charitidis, Alexandros Eftaxias, Evangelos A. Voudrias and Vasileios Diamantis
Processes 2024, 12(9), 1847; https://doi.org/10.3390/pr12091847 - 29 Aug 2024
Cited by 1 | Viewed by 1284
Abstract
In this study, a decentralized incineration facility was evaluated over a three-year period, focusing on performance aspects, such as the burning rate, ash production, fuel and electricity consumption, and ash composition, while processing animal by-products (ABPs). The total cost for ABP incineration was [...] Read more.
In this study, a decentralized incineration facility was evaluated over a three-year period, focusing on performance aspects, such as the burning rate, ash production, fuel and electricity consumption, and ash composition, while processing animal by-products (ABPs). The total cost for ABP incineration was determined to be EUR 159 t−1 ABP, with the major components being capital depreciation (42%), maintenance expenditures (26%), labor (18%), and transportation costs (9%). Liquified petroleum gas consumption ranged from 3 to 7 kg t−1, while electricity use was between 15 and 20 kWh t−1 incinerated ABP. The incineration process generated 7–10% (by weight) ABP ash, which was characterized by high calcium and phosphorus contents and low levels of hazardous trace elements. Leaching tests demonstrated the potential for recovering an alkaline supernatant for flue gas treatment and a phosphorus-rich slurry for fertilizer production. The findings suggest that energy recovery and valorization are crucial for minimizing the operational costs and the environmental impact, emphasizing the benefits of integrating advanced resource recovery techniques in ABP incineration facilities. Full article
(This article belongs to the Special Issue Novel Recovery Technologies from Wastewater and Waste)
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13 pages, 5180 KiB  
Article
Application of Corn Straw, an Agro-Waste, to Remove Dyes in an Aqueous Medium, Producing Blue or Red Fibers
by Andressa dos Santos, Anne R. Sotiles and Fauze J. Anaissi
Processes 2024, 12(4), 694; https://doi.org/10.3390/pr12040694 - 29 Mar 2024
Viewed by 1054
Abstract
The contaminant dyes that, even at low concentrations, may cause a series of adverse effects in humans and animals, and their removal by adsorption methods using alternative adsorbents as natural fibers, are regarded as a research topic that has become increasingly relevant. In [...] Read more.
The contaminant dyes that, even at low concentrations, may cause a series of adverse effects in humans and animals, and their removal by adsorption methods using alternative adsorbents as natural fibers, are regarded as a research topic that has become increasingly relevant. In this study, corn straw (CS), an agro-industrial residue, was used to remove dyes. The samples were characterized by ATR-FTIR, SEM-EDS, zeta potential, diffuse spectra, and colorimetry, before and after dye removal. The analyses allowed us to differentiate the morphology of CS after the treatment’s fiber on the adsorbent surface. The zeta potential showed a negative surface charge, but the acidic or alkaline treatment affected the surface charge of the sample, influencing the adsorption of cationic or anionic dyes. Adsorption data presented an increased removal when alkaline treatment was applied for the methylene blue (MB; qmax = 16.7 mg g−1), and the acid treatment was more effective for the Congo red (CR; qmax = 2.13 mg g−1). After color stability tests, it was observed that the anionic dye CR was more easily desorbed due to the surface charge of the adsorbent. Due to the chemical treatment, corn straw proved to be a good sustainable adsorbent for removing anionic or cationic dyes from aqueous media, contributing directly to the objective of sustainable development (#6—drinking water and sanitation) and with SDG numbers 3, 11, 12, 14, and 17. Full article
(This article belongs to the Special Issue Novel Recovery Technologies from Wastewater and Waste)
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