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Advances in Lignocellulosic Biomass

A special issue of Molecules (ISSN 1420-3049).

Deadline for manuscript submissions: 15 December 2025 | Viewed by 412

Special Issue Editor


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Guest Editor
INCDO INOE 2000, Research Institute for Analytical Instrumentation, Cluj-Napoca, Romania
Interests: lignocellulosic biomass; biofuels; gas and liquid chromatography
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue of Molecules will cover various topics such as the characterization of lignocellulosic biomass, advanced enzymatic saccharification, fermentation, biofuel production (bioethanol, biohydrogen, biodiesel, bio-oil, biochar), environmentally friendly pretreatment methods, new biomaterials and bioplastics, value-added chemicals, and polymeric materials. This Special Issue will present the newest research trends in the field of lignocellulosic biomass use as a potential raw material for transformation into valuable products: energy and innovative lignocellulisic-based materials. Topics may include, but are not limited to, bioplastics, biomaterials, new biofuels, biochar production from lignocellulosic biomass, value-added fuels and chemicals, different pretreatment methods (physical, chemical, biological, physico-chemical), consolidated bioprocessing technology, microbial co-culture systems, biomass pyrolysis, etc.

Dr. Lacrimioara Senila
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. Molecules 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 2700 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

  • lignocellulosic biomass
  • renewable biomass
  • biofuels
  • bio-chemicals
  • biomaterials
  • bioplastics

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Published Papers (1 paper)

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Research

18 pages, 1975 KB  
Article
Solvent-Assisted Vapor Condensation: A Strategy to Enhance Bio-Oil Yield and Quality from the Pyrolysis of Agro-Industrial Waste
by Jelena Isailović, Emilija Vukićević, Jan Schwarzbauer, Steva Lević, Mališa Antić, Ilija Brčeski, Branimir Jovančićević and Vesna Antić
Molecules 2025, 30(19), 3945; https://doi.org/10.3390/molecules30193945 - 1 Oct 2025
Abstract
The paper presents the effect of an organic solvent on the efficiency of vapor condensation from pyrolysis processes applied to agricultural waste, with the intention of optimizing the trapping procedure for more volatile components. Therefore, the effect of the use of acetone in [...] Read more.
The paper presents the effect of an organic solvent on the efficiency of vapor condensation from pyrolysis processes applied to agricultural waste, with the intention of optimizing the trapping procedure for more volatile components. Therefore, the effect of the use of acetone in the vapor trapping system on the yield and composition of liquid fractions (bio-oils) obtained from the pyrolysis of selected agricultural waste, including corn, tomato, and tobacco, was investigated. The focus was placed on evaluating how solvents influence the quality, yield, and composition of bio-oil, as well as whether they are necessary in the pyrolysis process. Acetone, a polar solvent with low human toxicity and the possibility of regeneration after pyrolysis, was selected for bio-oil condensation due to its effectiveness in dissolving polar compounds formed during the pyrolysis of lignocellulosic biomass. Pyrolysis was conducted at 400 and 500 °C for 30 min, to collect light and heavy fractions, which were subsequently analyzed to assess acetone’s influence. The results showed that acetone positively affected corn bio-oil yield (from 44.57% without acetone to 52.13% with acetone) and improved quality by reducing moisture (from 61.82% to 12.83%) and oxygen content (from 86.50% to 47.10%). An increase in calorific value was also observed in both corn varieties, while the effect was minimal in tobacco and nearly negligible in tomato. The obtained parameter values indicated that satisfactory results can also be achieved without the use of a solvent, representing a step toward simplified pyrolysis. GC-MS analysis confirmed that phenols and their derivatives were the dominant compounds, while FTIR analysis verified the presence of functional groups of the identified compounds. Increasing the temperature generally increased both the yield and calorific value of most samples. Light and heavy fractions were separated during condensation to improve collection efficiency and enable better quality control. Although this step adds complexity and potential contamination risks, it allows more effective utilization of the fractions. These results provide a valuable foundation for optimizing the valorization of agricultural waste through pyrolysis-based biofuel production. Full article
(This article belongs to the Special Issue Advances in Lignocellulosic Biomass)
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