Food Waste Valorisation—a Developing Industry

A special issue of Recycling (ISSN 2313-4321).

Deadline for manuscript submissions: closed (15 January 2023) | Viewed by 9695

Special Issue Editors


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Guest Editor
Department of Chemical Engineering, Faculty of Sciences, University of Granada, 18071 Granada, Spain
Interests: food waste; waste management; waste valorisation; life-cycle assessment; sustainability
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Department of Agrifood System Economics, Institute of Agricultural and Fisheries Research and Training (IFAPA), 18080 Granada, Spain
Interests: innovation; modelling; ecological economics; agricultural economics; agricultural policy

Special Issue Information

Dear Colleagues,

The utilization of wastes from the food industry has been explored for a number of years. A number of options have been proposed to extract useful compounds or valorize materials that have typically been sent to landfill or animal feeding. An interesting option is the development of biorefineries, which use all food by-products in industrial applications or to produce valuable products. However, scaling up such options has proven challenging, mostly due to economic considerations. This Special Issue aims to explore sustainable methods for food waste valorization. Studies that consider challenges and opportunities of their industrial implementation are encouraged. As such, the environmental, economic and social implications of these options are considerations of special importance. Methods for food waste valorization through upcycling to value-added products or applications, as well as composting, waste-to-energy conversion (e.g. anaerobic digestion, fermentation, transesterification, gasification, pyrolysis, hydrothermal liquefaction) are included in the scope. The study of system-wide implications in the supply chain is especially encouraged. This Special Issue welcomes original research articles and review articles, as well as theoretical and experimental research articles.

Dr. Guillermo Garcia-Garcia
Dr. Carlos Parra-López
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. Recycling 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 1800 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

  • food waste
  • food by-products
  • food reuse
  • food waste valorization
  • biorefineries
  • circular economy

Published Papers (1 paper)

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Review

17 pages, 2767 KiB  
Review
Biofuel Generation from Potato Peel Waste: Current State and Prospects
by Omojola Awogbemi, Daramy Vandi Von Kallon and Adefemi O. Owoputi
Recycling 2022, 7(2), 23; https://doi.org/10.3390/recycling7020023 - 5 Apr 2022
Cited by 23 | Viewed by 8769
Abstract
Growing environmental concerns, increased population, and the need to meet the diversification of the source of global energy have led to increased demand for biofuels. However, the high cost of raw materials for biofuels production has continued to slow down the acceptability, universal [...] Read more.
Growing environmental concerns, increased population, and the need to meet the diversification of the source of global energy have led to increased demand for biofuels. However, the high cost of raw materials for biofuels production has continued to slow down the acceptability, universal accessibility, and affordability of biofuels. The cost of feedstock and catalysts constitutes a major component of the production cost of biofuels. Potato is one of the most commonly consumed food crops among various populations due to its rich nutritional, health, and industrial benefits. In the current study, the application of potato peel waste (PPW) for biofuel production was interrogated. The present state of the conversion of PPW to bioethanol and biogas, through various techniques, to meet the ever-growing demand for renewable fuels was reviewed. To satisfy the escalating demand for biohydrogen for various applications, the prospects for the synthesis of biohydrogen from PPW were proposed. Additionally, there is the potential to convert PPW to low-cost, ecologically friendly, and biodegradable bio-based catalysts to replace commercial catalysts. The information provided in this review will enrich scholarship and open a new vista in the utilization of PPW. More focused investigations are required to unravel more avenues for the utilization of PPW as a low-cost and readily available catalyst and feedstock for biofuel synthesis. The application of PPW for biofuel application will reduce the pump price of biofuels, ensure the appropriate disposal of waste, and contribute towards environmental cleanliness. Full article
(This article belongs to the Special Issue Food Waste Valorisation—a Developing Industry)
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