Search for Articles:
Title / Keyword
Author / Affiliation / Email
Journal
Article Type
 
 
Advanced Search
 
Section
Special Issue
Volume
Issue
Number
Page
 
5.1
2.8
Journals
Processes
Special Issues
Experimental Investigation and Modeling of Biowaste Conversion into Renewable Energy...
share announcement

Experimental Investigation and Modeling of Biowaste Conversion into Renewable Energy and Resources

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

Deadline for manuscript submissions: 31 May 2025 | Viewed by 1274

Special Issue Editor

Dr. Gorica R. Ivaniš

E-Mail Website
Guest Editor
Faculty of Technology and Metallurgy, University of Belgrade, 11000 Belgrade, Serbia
Interests: Thermodynamics, Modeling, Energy efficiency, Biomass valorization, Green chemistry

Special Issue Information

Dear Colleagues,

The reduction in virgin raw material reserves, along with the accumulation of large amounts of waste, imposes the need to apply the postulates of the circular bioeconomy in the production of energy and resources. Biowaste is a valuable renewable source of organic components that can be easily upgraded to biofuels and various chemicals and materials. In addition to solving the problem of biowaste disposal, the valorization of biowaste towards biofuels and biochemicals also reduces the negative environmental and economic consequences of using fossil fuels. The development and successful commercialization of biowaste conversion processes essentially depend on the precision of the process and design of the equipment, which require knowledge of the present reaction mechanisms and transport phenomena.

This Special Issue is dedicated to the experimental and computational optimization of the process of converting biowaste into renewable energy and resources. Hence, high-quality papers reporting the results of experimental research and modeling related to the stated topics are of the highest interest for this Special Issue. Topics include, but not are limited to, the following:

  • Thermochemical conversion of biowaste;
  • Biochemical conversion of biowaste;
  • Biowaste conversion process modeling and simulation;
  • Integrated process design and optimization of biowaste conversion.

Dr. Gorica R. Ivaniš
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

  • biowaste
  • conversion
  • renewable energy
  • biofuels
  • modeling
  • optimization

Benefits of Publishing in a Special Issue

  • Ease of navigation: Grouping papers by topic helps scholars navigate broad scope journals more efficiently.
  • Greater discoverability: Special Issues support the reach and impact of scientific research. Articles in Special Issues are more discoverable and cited more frequently.
  • Expansion of research network: Special Issues facilitate connections among authors, fostering scientific collaborations.
  • External promotion: Articles in Special Issues are often promoted through the journal's social media, increasing their visibility.
  • e-Book format: Special Issues with more than 10 articles can be published as dedicated e-books, ensuring wide and rapid dissemination.

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

Published Papers (2 papers)

Download All Papers
Order results
Result details
Show export options expand_more Show export options expand_less
Select all
Export citation of selected articles as:

Research

15 pages, 3984 KiB  
Article
Terpene-Based Biofuel Additives (Citral, Limonene, and Linalool) with Chloroform: Experimental and Modeling Study of Volumetric and Transport Properties
by Nikola Grozdanić, Mirjana Kijevčanin and Ivona Radović
Processes 2025, 13(4), 974; https://doi.org/10.3390/pr13040974 - 25 Mar 2025
Viewed by 254
Abstract
In this paper, the thermodynamic properties of terpene mixtures were investigated because they represent a promising group of compounds, usually extracted from biomass, with their most notable application as fuel performance enhancers. The densities, viscosities, refractive indices, and ultrasonic speeds of sound were [...] Read more.
In this paper, the thermodynamic properties of terpene mixtures were investigated because they represent a promising group of compounds, usually extracted from biomass, with their most notable application as fuel performance enhancers. The densities, viscosities, refractive indices, and ultrasonic speeds of sound were measured for three binary mixtures, citral + chloroform, limonene + chloroform, and linalool + chloroform, across the full composition range at temperatures between 288.15 K and 323.15 K under atmospheric pressure. Using experimental data, excess molar volumes, viscosity deviations, refractive index deviations, and isentropic compressibility, deviations were calculated. Additionally, properties such as partial molar volumes, excess partial molar volumes, partial molar volumes at infinite dilution, and apparent molar volumes were derived. The excess and deviation properties were analyzed using the Redlich–Kister equation. A single mathematical model, the Heric–Brewer–Jouyban–Acree model, was used to represent densities, viscosities, refractive indices, and ultrasonic speeds of sound. The results obtained in this work suggest that dispersive interactions dominate in the limonene and linalool binary mixtures, while hydrogen bonding plays a significant role in the citral + chloroform system. In summary, dispersive interactions are dominant in nonpolar systems like limonene and linalool, while hydrogen bonding significantly affects the citral-chloroform mixture, where the polar groups in citral interact with chloroform molecules. These differences in intermolecular forces help explain the distinct behavior of each mixture. The modeling outcomes demonstrated that the Heric–Brewer–Jouyban–Acree model accurately correlated the experimental thermodynamic properties, with average percent deviations below 1% for all three systems. Full article
(This article belongs to the Special Issue Experimental Investigation and Modeling of Biowaste Conversion into Renewable Energy and Resources)
►▼ Show Figures

Figure 1

12 pages, 2422 KiB  
Article
Optimized Biodiesel Production from Pumpkin (Cucurbita pepo L.) Seed Oil: A Response Surface Methodology for Microwave-Assisted Transesterification
by Mehmet Recai Durgut
Processes 2025, 13(2), 572; https://doi.org/10.3390/pr13020572 - 18 Feb 2025
Cited by 1 | Viewed by 569
Abstract
The acceptance of biodiesel, specifically fatty acid methyl esters, as an alternative to petroleum diesel has increased significantly. Traditional feedstocks used to produce biodiesel include various seed oils and used frying oils, but there is growing interest in low-cost alternatives like pumpkin seed [...] Read more.
The acceptance of biodiesel, specifically fatty acid methyl esters, as an alternative to petroleum diesel has increased significantly. Traditional feedstocks used to produce biodiesel include various seed oils and used frying oils, but there is growing interest in low-cost alternatives like pumpkin seed oil. As a byproduct of cucurbits processing, a significant number of seeds often remains with a high oil content suitable for biodiesel production. In the search for new low-cost alternative feedstocks for biodiesel production, the evaluation of pumpkin seed oil was emphasized. Using a modified microwave oven for transesterification, this study optimized the key parameters of reaction temperature, catalyst concentration (KOH), and reaction time using a Box–Behnken design. The results showed a maximum biodiesel yield of 91.5%. Microwave irradiation significantly accelerated the process, reducing reaction times from an hour to minutes. The biodiesel produced met international physicochemical standards, demonstrating the potential of pumpkin seed oil as a sustainable biodiesel source. Full article
(This article belongs to the Special Issue Experimental Investigation and Modeling of Biowaste Conversion into Renewable Energy and Resources)
►▼ Show Figures

Figure 1

Show export options expand_more Show export options expand_less
Select all
Export citation of selected articles as:
 
Displaying articles 1-2
Back to TopTop