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Renewable Resources and Circular Economy
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Renewable Resources and Circular Economy

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Waste and Recycling".

Deadline for manuscript submissions: closed (31 May 2023) | Viewed by 3266

Special Issue Editors

Prof. Dr. Guangfu Liu

E-Mail Website
Guest Editor
School of Economics and Management, Tongji University, Shanghai 200092, China
Interests: renewable resources and circular economy (theories, methods and technologies for recycling and reuse of renewable resources, including reverse logistics and closed-loop supply chain, planning and mana; port and shipping governance; sustainable transportation
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Quanfa Zhou

E-Mail Website
Guest Editor
Changzhou Institute of Technology, Changzhou, China
Interests: circular economy; resource management

Special Issue Information

Dear Colleagues,

Renewable resources are transforming the economy towards a more sustainable development model. Global climate change and natural resource shortage are forcing the industry and academia to think in a greener way. The management of resources should address the generation and production of renewable and recycled resources. However, the promotion and application of renewable resources face different situations in developing countries and developed countries due to technical limitations, income inequity, economic conditions, and other challenges. Attention should also be attributed to the regeneration and recycling of waste as sources of resources in a circular economy. Thus, it is essential to investigate the properties and characteristics of infrastructure (e.g., technologies and equipment), as well as the institutional environment that facilitate the production and adoption of renewable resources. Moreover, it is essential to clarify the role of renewable resources in the transition toward a circular economy during the process.

This Special Issue aims to highlight the opportunities and challenges in the promotion of renewable resources and the transition to a circular economy, thus contributing to the understanding of: (a) the development, application, and adoption of renewable resources in terms of technical and institutional challenges and (b) the role of renewable and recycled resources in the transition toward a circular economy. This Special Issue emphasizes renewable resource management and waste management to solicit original research that promotes resource sustainability. Empirical research and case studies are welcomed. Topics include, but are not limited to:

(i) The role of renewable resources in economic growth;

(ii) Challenges in recycling and regenerating waste resources;

(iii) Renewable resources development in developing or developed countries;

(iv) Recycled resources, digital technologies, and the circular economy;

(v) Waste management in a circular economy;

(vi) Renewable resources in transition to a circular economy.

Overall, this Special Issue intends to shed light on the opportunities and challenges in resources and waste management and the interrelation between renewable resources and a circular economy.

We look forward to receiving your contributions.

Prof. Dr. Guangfu Liu
Prof. Dr. Quanfa Zhou
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

  • renewable resources
  • circular economy
  • waste management
  • digital technology
  • recycling
  • waste resource utilization

Published Papers (2 papers)

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Research

10 pages, 3931 KiB  
Article
A Study on the Sintering Mechanism of High-Strength Light Bricks Manufactured from Coal Gasification Slag
by Fang Liu, Guofeng Niu and Wentao Guo
Sustainability 2023, 15(6), 4860; https://doi.org/10.3390/su15064860 - 09 Mar 2023
Viewed by 938
Abstract
In this article, we report a way to produce sintered bricks from industrial coal gasification slag. Subsequently, we studied the impact of the addition of coal gasification slag and heat treatment on the density and compression strength of sintered materials with controlled variables. [...] Read more.
In this article, we report a way to produce sintered bricks from industrial coal gasification slag. Subsequently, we studied the impact of the addition of coal gasification slag and heat treatment on the density and compression strength of sintered materials with controlled variables. In addition, we implemented thermogravimetric analysis-differential scanning calorimetry (TG-DSC), an X-ray powder diffractometer (XRD), and a scanning electron microscope (SEM), as well as optical and thermal measurement devices, to analyze the microscopic structures of sintered materials; this revealed the action mechanism of coal gasification slag on the microscopic morphology and performance of sintered bricks. The volumetric density and compression strength of the sintered bricks were found to be negatively correlated with the amount of coal gasification slag introduced, but positively correlated with the sintering temperature. When the firing temperature was 1150 °C and the addition amount of coal gasification slag was 45%, the sintered brick products, with a predominant crystalline phase of anorthites, could achieve a density of 1.5 g/cm3 and a compression strength of 30 MPa; this met the requirements of the China National Standard GB/T 5101-2017 for MU30 bricks. This report may help with the implementation of coal gasification slag. Full article
(This article belongs to the Special Issue Renewable Resources and Circular Economy)
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14 pages, 866 KiB  
Article
The Generation and Effects for Recyclable Waste from Households in a Megapolis: A Case Study in Shanghai
by Chaojie Yu, Junqing Xu, Aihua Zhao, Peiyuan Xiao, Jun Tai, Zhujie Bi and Guangming Li
Sustainability 2022, 14(13), 7854; https://doi.org/10.3390/su14137854 - 28 Jun 2022
Cited by 1 | Viewed by 1575
Abstract
Shanghai is one of the world-leading megapolises facing the challenge of ecological sustainable development. The recyclable waste from households (RWH) generated in Shanghai has increased rapidly since the implementation of garbage classification in 2019. However, there are no rigorous data on the generation [...] Read more.
Shanghai is one of the world-leading megapolises facing the challenge of ecological sustainable development. The recyclable waste from households (RWH) generated in Shanghai has increased rapidly since the implementation of garbage classification in 2019. However, there are no rigorous data on the generation and collection of RWH, and the corresponding countermeasures are required to be studied. This paper attempted to investigate RWH generation and identify the effects of RWH recycling in Shanghai. We used questionnaires combined with a field survey to investigate the competent authorities and leading recycling enterprises to analyze the characteristics of RWH generation. We conducted a monthly survey of 52 leading recycling enterprises in 11 typical districts for 2020. We also identified the main influencing factors of RWH generation using a multiple linear regression model. In addition, we popularized the model to estimate Shanghai’s RWH generation rate. Results show that data from leading recycling enterprises surveys were more accurate and reached a maximum of 82,104.77 kg/cap/month in November 2020. Higher RWH generation was found in suburban districts at 36,396.20 kg/cap/month. Shanghai’s RWH generation rate was 6253.60 t/d through model calculation. The educational level of household managers, regional economic condition, resident population, and disposable income impact RWH generation. Based on the abovementioned results, the implications for RWH management were discussed. We propose to promote the combination of theoretical simulation and information data platform construction. Meanwhile, it is also necessary to improve the capacity of the collection and transport system and accelerate the construction of pre-treatment bases in Shanghai. Full article
(This article belongs to the Special Issue Renewable Resources and Circular Economy)
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