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Sustainable Development of Materials Recycling and Green Technology
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Sustainable Development of Materials Recycling and Green Technology

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Resources and Sustainable Utilization".

Deadline for manuscript submissions: closed (31 October 2023) | Viewed by 7272

Special Issue Editors

Dr. Duong Duc La

E-Mail Website
Guest Editor
Institute of Chemistry and Materials, Hanoi 100000, Vietnam
Interests: green synthesis; nanomaterials; environment treatment; graphene
Dr. Hoai Phuong Nguyen Thi

E-Mail Website
Guest Editor
Institute of Chemistry and Materials, Hanoi 100000, Vietnam
Interests: metal-organic framework; recyling materials; nanomaterials; environmental treatment
Special Issues, Collections and Topics in MDPI journals
Dr. Dinh Duc Nguyen

E-Mail Website
Guest Editor
Department of Environmental Energy Engineering, Kyonggi University, Suwon 16227, Republic of Korea
Interests: green synthesis; nanomaterials; environmental treatment; photocatalysis
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

In recent years, global warming caused by climatic changes, energy depletion, and other environmental issues has led to the emergence of sustainable development of materials recycling and green technologies. It is believed that the employment of sustainable development will benefit the sustainability of economies and societies, positively impacting sustainability in the future. Green technologies include all the technologies which encourage environmentally friendly products that reduce the production of greenhouses gases (GHGs). Sustainable development through green technologies means innovating nature-friendly or eco-friendly technologies that not only meet human needs but at the same time minimize waste generation and support life today and in the future. Therefore, sustainable development must be achieved in the social, economic and environmental dimensions.  

This research topic covers the wide-ranging sustainable development of materials recycling and green technologies. All studies which focus on materials recycling and the development of useful materials from waste, such as biomass waste and plastic waste, should be included in this Special Issue. This research topic also covers green technologies which encourage the sustainable development and green synthesis of advanced materials using renewable sources. All these studies provide new insights into sustainable development. The topics included are as follows:

  • Green synthesis of nanomaterial using plant extracts.
  • Recycling of biomass waste and plastic waste.
  • Green technologies for sustainable development.
  • Activated carbon from waste for environmental remediation.
  • Development of renewable materials.

Dr. Duong Duc La
Dr. Hoai Phuong Nguyen Thi
Dr. Dinh Duc Nguyen
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. Sustainability 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 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 materials
  • green synthesis
  • green technologies
  • nanomaterials
  • biomass waste
  • plastic waste
  • environmental treatment
  • carbon-based nanomaterials

Published Papers (5 papers)

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Research

26 pages, 6053 KiB  
Article
Optimization of Renewable Energy Supply Chain for Sustainable Hydrogen Energy Production from Plastic Waste
by Ehsan Doniavi, Reza Babazadeh and Rezgar Hasanzadeh
Sustainability 2023, 15(24), 16813; https://doi.org/10.3390/su152416813 - 13 Dec 2023
Viewed by 909
Abstract
Disposing of plastic waste through burial or burning leads to air pollution issues while also contributing to gas emissions and plastic waste spreading underground into seas via springs. Henceforth, this research aims at reducing plastic waste volume while simultaneously generating clean energy. Hydrogen [...] Read more.
Disposing of plastic waste through burial or burning leads to air pollution issues while also contributing to gas emissions and plastic waste spreading underground into seas via springs. Henceforth, this research aims at reducing plastic waste volume while simultaneously generating clean energy. Hydrogen energy is a promising fuel source that holds great value for humanity. However, achieving clean hydrogen energy poses challenges, including high costs and complex production processes, especially on a national scale. This research focuses on Iran as a country capable of producing this energy, examining the production process along with related challenges and the general supply chain. These challenges encompass selecting appropriate raw materials based on chosen technologies, factory capacities, storage methods, and transportation flow among different provinces of the country. To deal with these challenges, a mixed-integer linear programming model is developed to optimize the hydrogen supply chain and make optimal decisions about the mentioned problems. The supply chain model estimates an average cost—IRR 4 million (approximately USD 8)—per kilogram of hydrogen energy that is available in syngas during the initial period; however, subsequent periods may see costs decrease to IRR 1 million (approximately USD 2), factoring in return-on-investment rates. Full article
(This article belongs to the Special Issue Sustainable Development of Materials Recycling and Green Technology)
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24 pages, 1580 KiB  
Article
A Cross-Cultural Analysis for Plastic Waste Perception of Students from Romania and Turkey
by Graţiela Dana Boca, Arzum Ișitan, Evren Çağlarer and Sinan Saraçli
Sustainability 2023, 15(24), 16594; https://doi.org/10.3390/su152416594 - 06 Dec 2023
Viewed by 1478
Abstract
The article brings to attention a cross cultural model related to the perception of students in relation to the current problem of plastic waste. To create the model, a questionnaire was applied online in two countries at the same time, among students from [...] Read more.
The article brings to attention a cross cultural model related to the perception of students in relation to the current problem of plastic waste. To create the model, a questionnaire was applied online in two countries at the same time, among students from different specializations. The survey was structured in several parts, with the first part meant to identify individual characteristics of the responders, the second part to identify their knowledge about plastic, determine their beliefs in the new material—bioplastic, their preference in using plastic or bioplastic, and the last part meant to determine students’ attitude towards the environment. The model wants to highlight the preferences and knowledge of students about plastic, the degree of information and students’ knowledge about plastic waste, and if these are influenced by culture; in our case, the country was considered. Also, we established that gender or specialization have no influence on the perception of bioplastic. A total of 39.79% of the students from both countries participate in and attend conferences about nature protection and plastic waste, and only 58.69% of the students do not participate in any conferences about nature conservation or recycling materials. As a conclusion, we can mention that Turkish students are more responsible and more active in environmental activities regarding plastic waste in comparison with Romanian students. In comparison with Romanian students, Turkish students are more careful when it comes to recycling waste plastic and when choosing products that are less harmful to nature. The young generation is open to selective recycling, even if they sometimes do not follow the established rules. Based on this model, common problems can be identified and universities, as incubators of ideas, can welcome the use of the necessary methods and tools to stimulate care and students’ awareness of the environment and its protection. Full article
(This article belongs to the Special Issue Sustainable Development of Materials Recycling and Green Technology)
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13 pages, 3170 KiB  
Article
Facile Fabrication of Fe2O3/TiO2 Composite from Titanium Slag as Adsorbent for As(V) Removal from Aqueous Media
by Chinh Van Tran, Phuong Thi Hoai Nguyen, Dinh Duc Nguyen, Hanh T. T. Pham, Dinh Trung Do and Duong Duc La
Sustainability 2023, 15(9), 7253; https://doi.org/10.3390/su15097253 - 27 Apr 2023
Cited by 1 | Viewed by 1327
Abstract
Mixed metal oxide composites have been widely used as adsorbents for the removal of heavy metal ions from wastewater. In this work, Fe2O3/TiO2 composite was sustainably prepared via the treatment of titanium slag with a low-concentration sulfuric acid [...] Read more.
Mixed metal oxide composites have been widely used as adsorbents for the removal of heavy metal ions from wastewater. In this work, Fe2O3/TiO2 composite was sustainably prepared via the treatment of titanium slag with a low-concentration sulfuric acid solution (20%) and used for the removal of As(V) from aqueous solutions. The resulting products were characterized by X-ray diffraction (XRD), N2 adsorption−desorption, Fourier-transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), and energy-dispersive X-ray spectroscopy (EDX). The batch adsorption was employed to investigate the removal efficiency of the Fe2O3/TiO2 adsorbent toward As(V). The Langmuir and Freundlich isotherms were plotted in order to study the adsorption process. The adsorption of As(V) on FeO3/TiO2 fitted well with the Freundlich isotherm model, suggesting a multilayer adsorption process with an adsorption capacity of 68.26 mg·g−1. The adsorption kinetics study demonstrated that the adsorption behavior of the Fe2O3/TiO2 composite for the As(V) was pseudo-second-order. With low-cost preparation and high adsorption capacity, the prepared Fe2O3/TiO2 adsorbent could be used as an effective adsorbent for As(V) removal from contaminated water sources. The approach utilized in this research is viewed as a sustainable route for creating a proficient adsorbent for the purification of water. Full article
(This article belongs to the Special Issue Sustainable Development of Materials Recycling and Green Technology)
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19 pages, 2961 KiB  
Article
Field and Economic Studies on Mine Waste: Sustainable Reuse as Aggregates for Low Traffic Pavement Structure
by Mustapha Amrani, Yassine Taha, Azzouz Kchikach, Mostafa Benzaazoua and Rachid Hakkou
Sustainability 2022, 14(19), 12540; https://doi.org/10.3390/su141912540 - 01 Oct 2022
Cited by 1 | Viewed by 1307
Abstract
The phosphate extraction and processing has followed a traditional linear consumption model, where wastes are continuously produced and surface land is filled in rock piles. Thus, to promote a circular economy in a mining context, more eco-friendly and sustainable solutions at the regional [...] Read more.
The phosphate extraction and processing has followed a traditional linear consumption model, where wastes are continuously produced and surface land is filled in rock piles. Thus, to promote a circular economy in a mining context, more eco-friendly and sustainable solutions at the regional level are needed. This paper deals with the potential utilization of phosphate screening waste rock 0–100 mm (SWR) as alternative aggregates for pavement applications. Detailed in situ and laboratory tests have been made for SWR characterization, and the practical modalities of implementation have been defined. The findings proved that SWR (10–100 mm) materials can be successfully used without treatment in capping layer construction for low-volume traffic pavement projects. Due to its high apatite content, the remaining fraction (0–10 mm) can be exploited to recover the residual phosphate using the processing method that is currently followed by the mining company. Furthermore, the environmental investigations showed that SWR does not present any potential contamination risk to the surrounding environment. The economic feasibility analysis confirmed the workability of SWR reuse in a radius of 100 km around their dumps due to its lower cost compared to conventional aggregates. This simple amendment may ensure a smooth transition from a current linear extractive approach to a circular economy. Full article
(This article belongs to the Special Issue Sustainable Development of Materials Recycling and Green Technology)
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11 pages, 3791 KiB  
Article
One-Step Solution Plasma-Mediated Preparation of Se Nanoplarticles and Evaluating Their Acute Oral Toxicity in Mice
by Tri Thien Vu, Dung Thi Nguyen, Tran Hung Nguyen, Huu Thanh Le, Dinh Duc Nguyen and Duong Duc La
Sustainability 2022, 14(16), 10294; https://doi.org/10.3390/su141610294 - 18 Aug 2022
Cited by 3 | Viewed by 1398
Abstract
Selenium element is considered as one of the most important micronutrients for many biological systems. It has been well demonstrated that Se nanoparticles (Se NPs) express greater bioavailability, biocompatability, and less toxicity than that of Se in ion form. In this work, the [...] Read more.
Selenium element is considered as one of the most important micronutrients for many biological systems. It has been well demonstrated that Se nanoparticles (Se NPs) express greater bioavailability, biocompatability, and less toxicity than that of Se in ion form. In this work, the Se NPs were facilely fabricated by a one-step plasma process in the ethanol–water solution mixture. The as-prepared Se NPs were well characterized by scanning electron microscopy (SEM), X-ray diffraction (XRD), UV-vis spectroscopy, Raman spectroscopy, and energy dispersive X-ray spectroscopy (EDX). The prepared Se NPs were a light red color with a spherical shape and particle size in the range of 100–200 nm. The average diameter of the Se NPs calculated from the ImageJ software and TEM image was approximately 154 nm. The EDX results showed that the Se NPs prepared by the plasma process in the solution were highly pure and stable. The acute oral toxicity of the obtained Se NPs toward mice was also studied, which revealed that the Se NPs were safe for the human body. The mechanism for the formation of Se NPs from the Se ions under the solution plasma condition was also studied and discussed. Full article
(This article belongs to the Special Issue Sustainable Development of Materials Recycling and Green Technology)
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