Biomass Treatment and Pyrolysis Processes

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

Deadline for manuscript submissions: 31 May 2025 | Viewed by 904

Special Issue Editors


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Guest Editor
Institute of Nuclear Sciences—National Institute of the Republic of Serbia, University of Belgrade, “Vinča”, Mike Petrovića Alasa 12-14, P.O. Box 522, 11001 Belgrade, Serbia
Interests: active carbon; adsorption; environment; carbonization; hydrothermal synthesis; thermodynamic parameters; process parameter optimization
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Guest Editor
Laboratory for Applied Chemistry and Environmental Chemistry, Faculty of Sciences and Mathematics, University of Niš, 33 Višegradska Street, 18000 Niš, Serbia
Interests: sorption processes; spectroscopic techniques; environmental chemistry

Special Issue Information

Dear Colleagues,

The treatment of biomass treatment and the pyrolysis process are important aspects in the context of waste management and energy production. Biomass is organic material that is produced by living organisms. Biomass treatment involves various methods to convert it into useful products, including energy, nutrients or raw materials. Basic biomass treatment methods include:

Composting: The process of breaking down organic matter by microorganisms in the presence of oxygen, resulting in the production of compost that can serve as a natural fertilizer.

Fermentation: This is a biological process in which microorganisms (bacteria, yeasts) break down organic matter, producing alcohols, gases and other products. For example, methanation is fermentation that produces methane that can be used as energy.

Gasification: This invovles the treatment of biomass at high temperatures in the presence of limited oxygen, resulting in the production of synthetic gas (gasification), which can be used for energy production.

Modern technologies: This includes hydrolysis, hydrothermal carbonization and biodiesel production.

Pyrolysis is a thermal process that aids the decomposition of organic matter in the absence of oxygen or at very low concentrations of oxygen. It usually takes place at high temperatures (300–900°C). The basic components of pyrolysis are as follows:

Solids (Char): Thhis is the residue after pyrolysis that can be used as carbon material in various industries or as a soil improver.

Liquid components (pyrolysis liquid): These can contain a wide range of chemicals that can be further processed into various chemical products or as biofuel.

Gaseous products (pyrolysis gas): These contain methane, hydrogen, carbon dioxide and hydrocarbons. These gases can be used as a source of energy or as raw materials in the chemical industry.

Pyrolysis is used to process different types of waste, including organic waste and plastic materials, and can be useful in the context of sustainable waste management and energy production. Understanding these processes is important to understanding how we can effectively manage resources and waste in our environment.

Dr. Vladimir M. Dodevski
Dr. Milan Z. Momčilović
Guest Editors

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Keywords

  • biochar
  • biomass, pyrolysis
  • porous carbon
  • hydrothermal process
  • environmental and green processes

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Published Papers (1 paper)

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Research

14 pages, 4014 KiB  
Article
Performance Analysis of Effective Methylene Blue Immobilization by Carbon Microspheres Obtained from Hydrothermally Processed Fructose
by Sanja S. Krstić, Đuro Čokeša, Radojka T. Vujasin, Branka V. Kaluđerović, Milan Z. Momčilović, Darko Jaćimovski, Pavel Gurikov and Vladimir M. Dodevski
Processes 2024, 12(12), 2683; https://doi.org/10.3390/pr12122683 - 28 Nov 2024
Viewed by 682
Abstract
Carbon microspheres have been synthesized by the hydrothermal method with fructose and a phosphoric acid solution at two different concentrations, which were used as precursors. The obtained materials were characterized by elemental analysis, X-ray powder diffraction (XRPD) analysis, scanning electron microscopy (SEM), nitrogen [...] Read more.
Carbon microspheres have been synthesized by the hydrothermal method with fructose and a phosphoric acid solution at two different concentrations, which were used as precursors. The obtained materials were characterized by elemental analysis, X-ray powder diffraction (XRPD) analysis, scanning electron microscopy (SEM), nitrogen adsorption/desorption measurements, and Fourier transform infrared (FTIR) spectroscopy. Batch sorption experiments were performed to remove methylene blue (MB) from aqueous solutions by varying the initial concentration of MB (C0) from 50 to 500 mg/dm3, contact period, solution pH value, and temperature. Prepared sorbents consisted of microsphere particles with diameters in the range of 0.6–2.7 µm. The synthetic route was found to govern the microporous–mesoporous structure and surface acidic functional groups of the final product. A phosphoric acid concentration of 40 wt.% gave carbon material with a specific surface area of 932 m2/g and a total pore volume of 0.43 cm3/g. It was found that the extent of MB sorption by the obtained carbon microspheres increased with initial dye concentration, contact time, and especially solution pH but slightly decreased with increasing temperature. Kinetic studies showed that the dye sorption process followed pseudo-second-order kinetics. Full article
(This article belongs to the Special Issue Biomass Treatment and Pyrolysis Processes)
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