Agricultural and Industrial Waste Recovery Technology and Process Optimization

A special issue of Processes (ISSN 2227-9717). This special issue belongs to the section "Environmental and Green Processes".

Deadline for manuscript submissions: 20 August 2024 | Viewed by 455

Special Issue Editor


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Guest Editor
Department of Civil Chemical and Environmental Engineering, University of Genoa, 16145 Genoa, Italy
Interests: solid-liquid extraction; green processes; microencapsulation; emerging hazards; inherently safer design; process optimization; waste valorization

Special Issue Information

Dear Colleagues,

The management of waste and by-products from industrial and agri-food supply chains requires innovative solutions to guarantee sustainability. New processes, technologies, and applications are needed to face the environmental challenges they pose and to simultaneously supply new sources for the alternative production of materials, chemicals, and energy for future industries. Research on the effective exploitation of such waste is often related to the complex composition, high level of moisture, tendency to degrade easily, and thermosensitivity of the contained compounds, which imply the need for pretreatment, technical and economic issues, the revision of plant and equipment design, and process optimization.

We are pleased to invite you to contribute to this Special Issue aiming to collect new insights, methodologies, proposals, and solutions for the green, safe, cost-effective and disruptive valorization of agricultural and industrial wastes.

This Special Issue on “Agricultural and Industrial Wastes Recovery Technology and Processes Optimization” aims to present innovative solutions, methods, feasibility studies, and successful examples in the field of industrial and agri-food waste recovery.

Original research articles and reviews are welcome. Research areas may include (but are not limited to) the following:

  • Design, optimization, safety aspects, and economics of the waste valorization process.
  • Methodologies and optimization of techniques, equipment and plants, as well as pre-treatment and downstream processes aimed at reducing the environmental impact and improving yields for the recovery of high-added-value compounds from waste.
  • Methodologies and optimization of techniques, equipment and plants, as well as pre-treatment and downstream processes aimed at reducing the environmental impact and improving yields for the conversion into energy.
  • Development of new materials and products from waste and by-products.
  • Industrial solutions and applicative case studies.

Dr. Margherita Pettinato
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. Processes is an international peer-reviewed open access monthly 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

  • process intensification
  • process economics
  • process optimization
  • bioenergy
  • circular economy
  • emerging hazards
  • biomaterials
  • biopolymers
  • environmental impact

Published Papers (1 paper)

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Research

18 pages, 10148 KiB  
Article
Study on the Effect of Thermal Assisted Combined Plant-Based Biomass Conditioning on Dehydrated Sludge Bio-Drying
by He Li, Yujie Luo, Chang Jiang, Yizhuo Wang and Lu Xiang
Processes 2024, 12(5), 943; https://doi.org/10.3390/pr12050943 - 7 May 2024
Viewed by 325
Abstract
In recent years, the production of municipal sludge has gradually increased, and finding suitable sludge treatment and disposal technologies is an urgent problem that needs to be solved. Bio-drying of sludge is a relatively efficient and convenient drying method, but currently, there are [...] Read more.
In recent years, the production of municipal sludge has gradually increased, and finding suitable sludge treatment and disposal technologies is an urgent problem that needs to be solved. Bio-drying of sludge is a relatively efficient and convenient drying method, but currently, there are still problems with unstable drying effects and high moisture content of dried products, which limits the subsequent utilization of bio-drying products. This article uses a thermal assisted bio-drying device that simulates carbonization waste heat reflux, and uses corncob, straw, sawdust, and rice husk as conditioners to carry out bio-drying of dehydrated sludge. The influence of the types and ratios of conditioner under thermal assistance on the bio-drying of dehydrated sludge is explored. The results showed that the moisture removal efficiency of the corncob and straw groups was better, and their material moisture content could be reduced to below 10% within 24 h. The lower calorific value of straw-sludge drying products was the highest, at 11,608.8 kJ/kg. The best conditioner under the conditions of this experiment was straw, and the drying effect was best when the mass ratio of dehydrated sludge to straw was 4:1. The research results contribute to promoting the development of sludge bio-drying technology. Full article
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