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Processes
Special Issues
Sustainable Waste Material Recovery Technologies
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Sustainable Waste Material Recovery Technologies

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

Deadline for manuscript submissions: 30 November 2025 | Viewed by 1209

Special Issue Editors

Dr. Wirach Taweepreda

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Guest Editor
Polymer Science Program, Division of Physical Science, Faculty of Science, Prince of Songkla University, Hat-Yai 90110, Thailand
Interests: rubber manufacturing and waste management; clean technology for polymer and natural rubber processing; polymeric membranes for environmental and energy industries; carbon footprint for organization and carbon footprint of products
Prof. Dr. Gangasalam Arthanareeswaran

E-Mail Website
Guest Editor
Membrane Research Laboratory, Department of Chemical Engineering, National Institute of Technology, Tiruchirappalli 620 015, Tamil Nadu, India
Interests: polymer membrane; membrane modification; biomolecule separation
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue will focus on research and case studies that examine waste material recovery technologies not just from an economic point of view but also regarding the reduction of GHG emissions that occur when recovery materials are diverted from landfills, processed, and reintroduced into the production cycle. The recovery process typically requires less energy compared to manufacturing products from virgin materials, thus reducing GHG emissions. This Special Issue will cover a deep and meaningful convergence between waste reduction, reuse, and recovery. In addition, with regard to sustainability, wastewater produced by industries may be used for biohythane production, a gaseous mixture of biohydrogen and biomethane that offers superior characteristics over other biofuels. Potential topics include the following:

  • Biochar production and applications;
  • Innovative waste recovery technologies for low-carbon energy/resource recovery;
  • Carbon footprint analysis for organization and GHG reduction;
  • Life cycle assessment (LCA) and carbon footprint of products.

Dr. Wirach Taweepreda
Prof. Dr. Gangasalam Arthanareeswaran
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. 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

  • sustainability
  • waste
  • carbon footprint
  • GHG
  • carbon capture
  • recovery
  • biohythane

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (2 papers)

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Research

11 pages, 831 KiB  
Article
Assessment of Carbon Footprint for Organization in Frozen Processed Seafood Factory and Strategies for Greenhouse Gas Emission Reduction
by Phuanglek Iamchamnan, Somkiat Saithanoo, Thaweesak Putsukee and Sompop Intasuwan
Processes 2025, 13(7), 1990; https://doi.org/10.3390/pr13071990 - 24 Jun 2025
Viewed by 502
Abstract
This study aims to assess the carbon footprint for the organization of frozen processed seafood manufacturing plants and propose sustainable strategies for reducing greenhouse gas emissions. Organizational activity data from 2024 were utilized to evaluate the carbon footprint and develop targeted mitigation measures. [...] Read more.
This study aims to assess the carbon footprint for the organization of frozen processed seafood manufacturing plants and propose sustainable strategies for reducing greenhouse gas emissions. Organizational activity data from 2024 were utilized to evaluate the carbon footprint and develop targeted mitigation measures. The findings indicate that Scope 1 emissions amounted to 12,685 tons of CO2eq, Scope 2 emissions amounted to 15,403 tons of CO2eq, and Scope 3 emissions amounted to 31,564 tons of CO2eq. The total greenhouse gas emissions across all three scopes were 59,652 tons of CO2eq, with additional greenhouse gas emissions recorded at 34,027 tons of CO2eq. Mitigation measures were considered for activities contributing to at least 10% of emissions in each scope. In Scope 1, the use of R507 refrigerant in the production cooling system accounted for 9907 tons of CO2eq, representing 78.10% of emissions. In Scope 2, electricity consumption contributed 15,403 tons of CO2eq, constituting 100% of emissions. In Scope 3, the procurement of surimi (processed fish meat) was responsible for 20,844 tons of CO2eq, accounting for 66.04% of emissions. Based on these findings, key mitigation strategies were proposed. For Scope 1, reducing emissions involves preventive maintenance of cooling systems to prevent leaks, replacing corroded pipelines, installing shut-off valves, and switching to alternative refrigerants with no greenhouse gas emissions. For Scope 2, energy-saving initiatives include promoting electricity conservation within the organization, maintaining equipment for optimal efficiency, installing energy-saving devices such as variable speed drives (VSD), upgrading to high-efficiency motors, and utilizing renewable energy sources like solar power. For Scope 3, emissions can be minimized by sourcing raw materials from suppliers with certified carbon footprint labels, prioritizing purchases from producers committed to carbon reduction, and selecting suppliers closer to manufacturing sites to reduce transportation-related emissions. Implementing these strategies will contribute to sustainable greenhouse gas emission reductions. Full article
(This article belongs to the Special Issue Sustainable Waste Material Recovery Technologies)
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13 pages, 2141 KiB  
Article
Guidelines for Reducing the Greenhouse Gas Emissions of a Frozen Seafood Processing Factory Towards Carbon Neutrality Goals
by Phuanglek Iamchamnan, Somkiat Saithanoo, Thaweesak Putsukee and Sompop Intasuwan
Processes 2025, 13(7), 1989; https://doi.org/10.3390/pr13071989 - 24 Jun 2025
Viewed by 550
Abstract
This research aims to calculate the Carbon Footprint for Organization of a plant manufacturing frozen processed seafood and propose strategies to reduce greenhouse gas (GHG) emissions following the Net-Zero Pathway, using 2024 as the baseline year. The findings indicate that Scope 1 emissions [...] Read more.
This research aims to calculate the Carbon Footprint for Organization of a plant manufacturing frozen processed seafood and propose strategies to reduce greenhouse gas (GHG) emissions following the Net-Zero Pathway, using 2024 as the baseline year. The findings indicate that Scope 1 emissions amounted to 12,685 tons of CO2 eq, Scope 2 emissions totaled 15,403 tons of CO2eq, and Scope 3 emissions reached 31,564 tons of CO2eq, leading to a combined total of 59,652 tons of CO2eq across all scopes, with an additional 34,027 tons of CO2eq from other GHG sources. To achieve net-zero emissions by 2050, annual reductions of 3.46% per category are required. The short-term target for 2028f aims to reduce emissions to 10,929 tons of CO2eq for Scope 1, 13,270 tons of CO2eq for Scope 2, and 27,194 tons of CO2eq for Scope 3, resulting in total emissions of 51,392 tons of CO2eq. The proposed reduction strategies include optimizing Scope 1 emissions by preventing leaks in R507 refrigerant systems, replacing corroded pipelines, installing shut-off valves, and switching to low-GHG refrigerants. For Scope 2, measures focus on reducing electricity consumption through energy conservation initiatives, carrying out regular machinery maintenance, installing Variable Speed Drives (VSDs), upgrading to high-efficiency motors, and integrating renewable energy sources such as solar power. For Scope 3, emissions from raw material procurement can be minimized by sourcing from certified suppliers with established product carbon footprints, prioritizing carbon reduction labeling, and selecting nearby suppliers to reduce transportation-related emissions. These strategies will support the organization in achieving carbon neutrality and progressing toward the net-zero goal. Full article
(This article belongs to the Special Issue Sustainable Waste Material Recovery Technologies)
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