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Waste-to-Wealth: Waste Valorization into Sustainable Materials

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

Deadline for manuscript submissions: 5 May 2024 | Viewed by 3407

Special Issue Editor

Institute of Food, Nutrition and Health (IFNH), Department for Health Sciences and Technology (D-HEST), ETH Zurich, CH-8092 Zürich, Switzerland
Interests: sustainability; biomaterials; soft matter; waste valorization; environmental protection; water; bioplastics; membrane process; adsorption; circular economy; life cycle assessment; waste management
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Nowadays, it is clear that developing new materials must be in accordance with the circular economy model and balanced against sustainable resources. By valorizing waste for the fabrication of novel materials, not only the issue of waste management can be addressed, but also the newly developed materials can be used for addressing other global issues. The Special Issue aims to cover the state of the art of novel functional materials development via a sustainable upcycling of various waste and by-products for use in emerging applications.

The scope of this Special Issue includes, but is not limited to, the following areas:

  • Advances in waste valorization and sidestream upcycling;
  • Sustainable processes and production;
  • Development and characterization of sustainable materials;
  • Soft matter;
  • Bio- and nature-inspired materials;
  • Novel hydrogels and aerogels;
  • Biofilms and bioplastics;
  • Energy and environmental applications of advanced sustainable materials;
  • Circular economy strategies;
  • Life cycle assessment (LCA) and sustainability measures.

Authors are invited to submit their latest original results as full papers or short communications. Furthermore, state-of-the-art and critical reviews and analysis papers are welcome.

Dr. Mohammad Peydayesh
Guest Editor

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.

Published Papers (2 papers)

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Research

19 pages, 3078 KiB  
Article
Is Loose-Fill Plastic Waste an Opportunity for Thermal Insulation in Cold and Humid Tropical Climates?
Sustainability 2023, 15(12), 9483; https://doi.org/10.3390/su15129483 - 13 Jun 2023
Cited by 2 | Viewed by 1594
Abstract
This paper addresses the plastic waste management challenge by proposing a sustainable solution for the building sector. The proposed solution uses Loose-Fill Plastic Waste (LFPW) as a thermal insulation material, the world’s first in plastic waste recovery. To investigate the potential of this [...] Read more.
This paper addresses the plastic waste management challenge by proposing a sustainable solution for the building sector. The proposed solution uses Loose-Fill Plastic Waste (LFPW) as a thermal insulation material, the world’s first in plastic waste recovery. To investigate the potential of this new path, an experimental study was conducted on test cells in Reunion Island’s cold and wet climate. It was revealed that LFPW (size between 3 and 4 mm with 8 cm thickness) can reduce surface temperatures by nearly 3.2 °C, with a maximum difference by almost 22.2 °C. The thermal phase shift is significant (190 mn) and comparable to conventional thermal insulation solutions. The study results suggest that LFPW can provide an effective and economical solution to the challenge of plastic waste management while promoting sustainable development. Full article
(This article belongs to the Special Issue Waste-to-Wealth: Waste Valorization into Sustainable Materials)
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26 pages, 897 KiB  
Article
Towards Sustainability: Mapping Interrelationships among Barriers to Circular Bio-Economy in the Indian Leather Industry
Sustainability 2023, 15(6), 4813; https://doi.org/10.3390/su15064813 - 08 Mar 2023
Viewed by 1307
Abstract
Increasing environmental awareness and stringent environmental norms of developed countries have demanded eco-friendly industrial practices from the leather industry. On the path to achieving sustainable development goals (SDGs), the concept of circular bio-economy (CBE) practices has gained significant attention from the leather industry [...] Read more.
Increasing environmental awareness and stringent environmental norms of developed countries have demanded eco-friendly industrial practices from the leather industry. On the path to achieving sustainable development goals (SDGs), the concept of circular bio-economy (CBE) practices has gained significant attention from the leather industry with regards to waste management. CBE practices encourage the potential of recovering value from leather waste. However, the CBE concept has not been well received by the leather industries of developing countries for various reasons. Hence, this study aims to identify and evaluate various barriers to CBE practices from the context of the Indian leather industry. Twenty-five barriers to CBE practices in the leather industry are identified through literature review and interaction with managers. Then, a rough decision-making trial and evaluation laboratory (R-DEMATEL) was utilized to reveal the interrelationships among the barriers to CBE practices. Restrictiveness to change, difficulty in forming a reliable supplier network, difficulty in developing customers, lack of vision, and unclear and partial understanding of the CBE concept have been identified as the five most critical barriers to CBE practices in the leather industry. Furthermore, in the current study, nine barriers fall into the cause group and sixteen barriers fall into the effect group. The outcome of the study reveals the causal interrelationships among the barriers to CBE practices to the industrial management and policymakers. This study is the first of its kind to analyze the barriers to CBE practices in the Indian leather industry context. Full article
(This article belongs to the Special Issue Waste-to-Wealth: Waste Valorization into Sustainable Materials)
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Planned Papers

The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.

Title: Bioinspired graphene-based composites and their applications: advances and opportunities

Authors: Siavash Iravani1* and Rajender S. Varma

Abstract: These days, researchers have focused on nature-inspired materials with remarkable properties and applications. Several complex micro- and nanostructures have been designed inspired by nature with improved flexibility, good stability, robust electrical conductivity, biocompatibility, unique mechanical/thermal features, and suitable optical properties. However, important aspects regarding the biosafety, commercialization/industrialization, optimization processes, and suitable functionalization need additional explorations. Bioinspired graphene based composites with unique properties can be employed in different fields of sensing/imaging, catalysis, supercapacitors/batteries, antibacterial performance, electrochemical actuators, biomedical robotics, etc. In this context, stability, flexibility, and multifunctionality as well as strength, electrical conductivity, and toughness ought to be comprehensively explored for their future commercial applications. Herein, current developments pertaining to the unique properties and versatile applications of bioinspired graphene-based composites are deliberated, focusing on important challenges and future perspectives.

 

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