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Green Chemistry, Wastes Valorisation and Circular Bioeconomy

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

Deadline for manuscript submissions: closed (8 October 2023) | Viewed by 1658

Special Issue Editor


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Guest Editor
Département de Chimie, Faculté des Sciences, Université de Monastir, LR21ES04-Chimie de l’Environnement & des Procédés Propres, Bvd de l’Environnement, Monastir 5000, Tunisia
Interests: water and wastewater treatment; modeling and simulation; development of environmental bioprocesses

Special Issue Information

Dear Colleagues,

We are pleased to announce the call for papers for a special issue of “Sustainability” journal that will focus on green chemistry, waste valorization, and circular bioeconomy. The main concern of this special issue is to highlight recent advances in these critical areas of science and technology, as well as the challenges and opportunities for their large-scale implementation. Attention will be focused on realistic and low-cost solutions to reduce waste generation, promote the use of renewable resources, and increase the efficiency of their use.

Green chemistry focuses on the development of chemical processes that minimize the use of toxic and hazardous substances and reduce greenhouse gas emissions. Waste valorization, on the other hand, is an approach that uses waste as a raw material to produce new products and energy, rather than burying or incinerating it. Finally, circular bioeconomy is an economy based on renewable material cycles and environmentally friendly processes.

This special issue aims to bring together original research articles, reviews of the literature, research reports, and case studies that focus on recent developments in these fields. Contributions may include, but are not limited to:

  • Innovations in product and process design for green chemistry and circular bioeconomy.
  • Advances in waste valorization technologies, including biomass-to-energy conversion technologies.
  • Resource and waste management strategies that maximize raw material recovery and minimize environmental impacts.

Researchers, academics, and professionals are encouraged to submit their work for this special issue. We are confident that this special edition will contribute to the understanding and advancement of these critical areas, and we look forward to receiving your submissions.

Prof. Dr. Hatem Dhaouadi
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.

Keywords

  • waste valorization
  • biomass-to-energy conversion
  • raw material recovery
  • green chemistry
  • circular bioeconomy

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Published Papers (1 paper)

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Research

21 pages, 7917 KiB  
Article
Purification of Pesticide-Contaminated Water Using Activated Carbon from Prickly Pear Seeds for Environmentally Friendly Reuse in a Circular Economy
by Amira Zgolli, Marwa Souissi and Hatem Dhaouadi
Sustainability 2024, 16(1), 406; https://doi.org/10.3390/su16010406 - 2 Jan 2024
Viewed by 1318
Abstract
This study proposes an innovative approach based on the concept of the circular economy. It involves treating deltamethrin-contaminated water using an activated carbon (AC) adsorption technique based on a highly adsorbent plant waste derived from prickly pear seeds (PPSs). Activated carbon was prepared [...] Read more.
This study proposes an innovative approach based on the concept of the circular economy. It involves treating deltamethrin-contaminated water using an activated carbon (AC) adsorption technique based on a highly adsorbent plant waste derived from prickly pear seeds (PPSs). Activated carbon was prepared from PPS via a simple pyrolysis process preceded by chemical impregnation with phosphoric acid. Thus, a whole range of physicochemical tests were carried out, including iodine number (QI2), methylene blue number (QMB), Bohem dosage, pHZC, Brunauer–Emmett–Teller analysis (BET), and scanning electron microscopy (SEM). The QI2 and QMB were, respectively, 963.5 (mg g−1) and 8.3 (mg g−1). The pHzc of activated carbon was 2.5, and the surface area BET was 1161.3 m2 g−1. Adsorption kinetics, isotherms, and thermodynamic studies of pesticides using activated carbon were established. The obtained results revealed that the adsorption of the pesticide by the activated carbon appeared to be chemisorption with an adsorption capacity of 1.13 mg g−1. The adsorption capacity increased with increasing temperature, which explains an endothermic adsorption interaction. These results are in agreement with the results found using the density functional theory (DFT) and showed that activated carbon has an interesting adsorption power, which makes it as efficient as commercial activated carbon and predisposes it to the depollution of aqueous solutions contaminated with pesticides. Full article
(This article belongs to the Special Issue Green Chemistry, Wastes Valorisation and Circular Bioeconomy)
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