Special Issue "Advances in the Use of Green Technologies in Various Areas"

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Energy Materials".

Deadline for manuscript submissions: 20 May 2022.

Special Issue Editors

Dr. Sneha Samal
E-Mail Website
Guest Editor
FZU—Institute of Physics of Czech Academy of Sciences, Na Slovance 1999/2, 182 21 Prague, Czech Republic
Interests: green technologies; waste reduction; new energy-saving technologies; sustainable manufacturing; energy consumption; alternative sustainable materials
Special Issues and Collections in MDPI journals
Prof. Dr. Ignazio Blanco
E-Mail Website
Guest Editor
Department of Civil Engineering and Architecture and UdR-Catania Consorzio INSTM, University of Catania, Viale Andrea Doria 6, 95125 Catania, Italy
Interests: green technologies; waste reduction; sustainable manufacturing; energy consumption; alternative sustainable materials; synthesis and characterization of nanoparticles, POSS synthesis and characterization; material characterization for rapid prototyping
Special Issues and Collections in MDPI journals

Special Issue Information

Dear Colleagues,

Green technologies have recently become increasingly attractive to researchers, engineers, manufacturers, materials scientists, chemical engineers, and environmental scientists working in various areas. This Special Issue will covers advances in green technologies starting from basic topics, such as in the areas of waste reduction and utilization, leading to the advanced field of green manufacturing and products. Green technologies not only save energy but also minimize energy consumption with sustainable manufacturing of products in the construction industries – from the basic technology of red mud bricks with advanced porous thermal insulators of geopolymer bricks with modern technologies and ideas. Within the scope of this SI is the category of materials with green manufacturing and applications, considering that the attention toward minimizing energy consumption while factoring in environmental concerns and efficiency in manufacturing green technology will be a key issue in various areas from ceramics toward composites, with emphasis on the area of the biocomposites. Topics to be covered will include design and manufacturing processes, renewable energy, ecofriendly materials and structures, energy saving, waste reduction and utilization, and environmental management and policy within the scope of green technologies, manufacturing, and applications.

Dr. Sneha Samal
Prof. Dr. Ignazio Blanco
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 papers will be 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. Materials 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 2000 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 technologies
  • waste reduction and utilization
  • new energy-saving technologies
  • energy consumption
  • alternative sustainable materials
  • sustainable manufacturing

Published Papers (2 papers)

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Research

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Article
Obtention and Characterization of Ferrous Chloride FeCl2·4H2O from Water Pickling Liquors
Materials 2021, 14(17), 4840; https://doi.org/10.3390/ma14174840 - 26 Aug 2021
Viewed by 1008
Abstract
As a hazardous waste, water pickling liquors must be properly treated. An alternative consists of promoting the formation of ferrous salts from this residue due to their higher ferrous content. Since FeCl2·4H2O is widely used in several applications, obtaining [...] Read more.
As a hazardous waste, water pickling liquors must be properly treated. An alternative consists of promoting the formation of ferrous salts from this residue due to their higher ferrous content. Since FeCl2·4H2O is widely used in several applications, obtaining pure crystals of this material appears to be an interesting prospect. However, this compound has scarcely been investigated. In the present work, FeCl2·4H2O crystals were obtained from water pickling liquors. Their structural and morphological characteristics were investigated by X-ray diffraction, scanning electron microscopy as well as Mössbauer spectroscopy. In addition, the photoluminescence study of the obtained samples was also assessed. It was observed that after some aging time, the obtained crystals changed in colour from green to more yellowish. As such, the aged sample was also evaluated, and their structural characteristics were compared with the original crystals. Despite this, the obtained crystals exhibit a FeCl2·4H2O structure, which is not modified with the aging of the sample. Full article
(This article belongs to the Special Issue Advances in the Use of Green Technologies in Various Areas)
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Review

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Review
Utilization of Red Mud as a Source for Metal Ions—A Review
Materials 2021, 14(9), 2211; https://doi.org/10.3390/ma14092211 - 25 Apr 2021
Cited by 1 | Viewed by 929
Abstract
An overview is presented on the prospective use of red mud as a resource in this review. Various scopes are suggested for the utilization of red mud to maintain a sustainable environment. The potential use of red mud covers the valuable metal recovery [...] Read more.
An overview is presented on the prospective use of red mud as a resource in this review. Various scopes are suggested for the utilization of red mud to maintain a sustainable environment. The potential use of red mud covers the valuable metal recovery that could emphasize the use of red mud as a resource. Red mud could act as reduced slag in the metallurgical field for the extraction of minerals and metals for upscale application. Although many studies have revealed the potential utilization of red mud, most of them are only limited to a lab-scale basis. Therefore, a large-scale investigation on recycling of red mud for the extraction in the area of the metal recovery section will draw attention to the extensive use of red mud. Metal ions of major elements Fe (44 wt.%), Al (18.2 wt.%), Si (14.3 wt.%), Ti (9.3 wt.%), Na (6.2 wt.%), Ca (4.4 wt.%) as major elements and of Mg, V, Mn, Cr, K as minor elements and rare earth elements such as Ce (102 mg/kg), La (56 mg/kg), Sc (47 mg/kg), Nd (45 mg/kg), Sm (9 mg/kg). Moreover, an appropriate in-house metal recovery facility with the alumina industry will come out as a cost–benefit analysis. Full article
(This article belongs to the Special Issue Advances in the Use of Green Technologies in Various Areas)
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