Process Intensification towards Sustainable Biorefineries

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

Deadline for manuscript submissions: 30 June 2024 | Viewed by 1926

Special Issue Editors


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Guest Editor
Department of Applied Science and Technology, Politechnic of Turin, Corso Duca degli Abruzzi 24, 1029 Turin, Italy
Interests: hydrogen production; biorefinery; wastewater; heterogeneous catalysis
*
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Guest Editor
Department of Applied Science and Technology, Politechnic of Turin, Corso Duca degli Abruzzi 24, 1029 Turin, Italy
Interests: electrification of chemical industry; hydrogen; electrochemical engineering; process intensification; reactor design
* Associate Professor
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Special Issue Information

Dear Colleagues,

The challenge of replacing fossil-based products with bio-based alternatives is pushing toward the development of biorefineries. This task should be achieved also considering urgent sustainability issues from multiple points of view (economic, energetic, environmental, social). Due to the scarcity of resources and the clear impacts of the inappropriate use of primary energy sources, new chemical processes must be conceived in a completely different way. In order to fulfill this requirement, the adoption of process intensification strategies in the biorefinery context is gradually receiving interest due to its ability to increase the efficiency of the phenomena involved. In fact, process intensification principles call for minimizing energy and resource consumption, maximizing the yield of the desired product, avoiding the use of dangerous chemicals, process compactness and production with minimal waste generation.

This Special Issue on “Process intensification towards sustainable biorefineries” has the objective to collect high-impact works focusing on the development of process intensification strategies for the production of biofuels, chemical building blocks and biomaterials. Topics include, but are not limited to:

  • Conceptualize processes using energy carriers such as electricity and hydrogen in order to decarbonize the chemical industry.
  • Use of unconventional technologies (e.g., microwave, ultrasounds, microreactors, oscillatory reactors, plasma) for maximizing mass and heat transport effects.
  • Maximize the use of matter (e.g., carbon, water) and energy by conceptualizing an efficient and sustainable process.
  • Design of integrated processes with positive synergies for reaching the sustainability goals.
  • Techno-economic assessment and life-cycle assessment providing figures (key performance indicator: KPI) that prove the benefits of process intensification.

Critical reviews summarizing the state of the art and challenges of process intensification in the biorefinery context.

Dr. Giuseppe Pipitone
Dr. Alessandro Monteverde
Guest Editors

Manuscript Submission Information

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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
  • mass transport
  • heat transport
  • charge-transfer
  • unconventional technologies
  • techno-economic assessment
  • process simulation
  • life-cycle assessment

Published Papers (1 paper)

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Review

17 pages, 1597 KiB  
Review
Advancing Process Intensification with High-Frequency Ultrasound: A Mini-Review of Applications in Biofuel Production and Beyond
by Viesuieda Chit, Lian See Tan, Peck Loo Kiew, Tomoya Tsuji, Toshitaka Funazukuri and Serene Sow Mun Lock
Processes 2023, 11(4), 1236; https://doi.org/10.3390/pr11041236 - 17 Apr 2023
Cited by 5 | Viewed by 1553
Abstract
High-frequency ultrasound (HFU) is an ultrasound technology with a frequency higher than 1000 kHz. It has become increasingly recognized as an emerging process intensification technology in various fields, such as biofuel production, carbon dioxide absorption, and wastewater treatment. HFU is seen as a [...] Read more.
High-frequency ultrasound (HFU) is an ultrasound technology with a frequency higher than 1000 kHz. It has become increasingly recognized as an emerging process intensification technology in various fields, such as biofuel production, carbon dioxide absorption, and wastewater treatment. HFU is seen as a potential intensifier technology for biofuel production, as its mechanisms, such as cavitational phenomena, microstreaming, and fountain formation, can benefit biofuel production. Previous research has shown that HFU can decrease the reaction time required for biofuel production, aid in lipid extraction, increase carbon dioxide absorption rates, and be effective in destroying pathogens in wastewater treatment. However, despite the potential benefits, there are limited reports on the use of HFU technology for biofuel production, which has led to uncertainties and constraints in its industrial deployment. These constraints include equipment design, economic analysis, and safety concerns, which require further in-depth analysis. Despite these limitations, previous studies have shown promising results for the incorporation of HFU into various fields due to its unique characteristics and mechanisms. This paper presents a review of the theory and application of HFU for process intensification, with a focus on its potential for biofuel production. It also provides recommendations for the further exploration of the technology to overcome industrial deployment obstacles. Full article
(This article belongs to the Special Issue Process Intensification towards Sustainable Biorefineries)
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