Influence of Chemical Composition on Heating Value of Biomass: A Review and Bibliometric Analysis
Biomass has become an increasingly important resource for energy generation. The influence of the chemical composition on the heating value of biomass has not been a thoroughly studied subject, as shown by a bibliometric analysis. It is well known that the heating value of lignin is significantly hi...
| Main Authors: | , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2023-05-01
|
| Series: | Energies |
| Subjects: | |
| Online Access: | https://www.mdpi.com/1996-1073/16/10/4226 |
| _version_ | 1797600235653955584 |
|---|---|
| author | Bruno Esteves Umut Sen Helena Pereira |
| author_facet | Bruno Esteves Umut Sen Helena Pereira |
| author_sort | Bruno Esteves |
| collection | DOAJ |
| description | Biomass has become an increasingly important resource for energy generation. The influence of the chemical composition on the heating value of biomass has not been a thoroughly studied subject, as shown by a bibliometric analysis. It is well known that the heating value of lignin is significantly higher (23.26–25.58 MJ/kg) than that of polysaccharides (18.6 MJ/kg), while extractives often have HHVs over 30 MJ/kg, depending on their oxidation levels. Therefore, the proportions of the chemical components in biomass determine its HHV. Softwoods generally have higher HHVs than hardwoods due to their higher contents of lignin and lipophilic resin. Ashes are incombustible, and a high ash content leads to a lower HHV in biomass. Several models have been proposed to correlate the heating values and chemical compounds of biomass, but the most accurate models are based on the lignin from extracted samples, while good correlations between lignin and extractives have also been reported. No good correlations have been obtained with polysaccharide compounds. |
| first_indexed | 2024-03-11T03:45:38Z |
| format | Article |
| id | doaj.art-4a98d179f04044aa81a4f9499ac8510f |
| institution | Directory Open Access Journal |
| issn | 1996-1073 |
| language | English |
| last_indexed | 2024-03-11T03:45:38Z |
| publishDate | 2023-05-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Energies |
| spelling | doaj.art-4a98d179f04044aa81a4f9499ac8510f2023-11-18T01:14:40ZengMDPI AGEnergies1996-10732023-05-011610422610.3390/en16104226Influence of Chemical Composition on Heating Value of Biomass: A Review and Bibliometric AnalysisBruno Esteves0Umut Sen1Helena Pereira2Department of Wood Engineering, Polytechnic Institute of Viseu, Av. Cor. José Maria Vale de Andrade, 3504-510 Viseu, PortugalForest Research Centre (CEF), School of Agriculture, University of Lisbon Tapada da Ajuda, 1349-017 Lisbon, PortugalForest Research Centre (CEF), School of Agriculture, University of Lisbon Tapada da Ajuda, 1349-017 Lisbon, PortugalBiomass has become an increasingly important resource for energy generation. The influence of the chemical composition on the heating value of biomass has not been a thoroughly studied subject, as shown by a bibliometric analysis. It is well known that the heating value of lignin is significantly higher (23.26–25.58 MJ/kg) than that of polysaccharides (18.6 MJ/kg), while extractives often have HHVs over 30 MJ/kg, depending on their oxidation levels. Therefore, the proportions of the chemical components in biomass determine its HHV. Softwoods generally have higher HHVs than hardwoods due to their higher contents of lignin and lipophilic resin. Ashes are incombustible, and a high ash content leads to a lower HHV in biomass. Several models have been proposed to correlate the heating values and chemical compounds of biomass, but the most accurate models are based on the lignin from extracted samples, while good correlations between lignin and extractives have also been reported. No good correlations have been obtained with polysaccharide compounds.https://www.mdpi.com/1996-1073/16/10/4226heating valuelignincelluloseextractive models |
| spellingShingle | Bruno Esteves Umut Sen Helena Pereira Influence of Chemical Composition on Heating Value of Biomass: A Review and Bibliometric Analysis Energies heating value lignin cellulose extractive models |
| title | Influence of Chemical Composition on Heating Value of Biomass: A Review and Bibliometric Analysis |
| title_full | Influence of Chemical Composition on Heating Value of Biomass: A Review and Bibliometric Analysis |
| title_fullStr | Influence of Chemical Composition on Heating Value of Biomass: A Review and Bibliometric Analysis |
| title_full_unstemmed | Influence of Chemical Composition on Heating Value of Biomass: A Review and Bibliometric Analysis |
| title_short | Influence of Chemical Composition on Heating Value of Biomass: A Review and Bibliometric Analysis |
| title_sort | influence of chemical composition on heating value of biomass a review and bibliometric analysis |
| topic | heating value lignin cellulose extractive models |
| url | https://www.mdpi.com/1996-1073/16/10/4226 |
| work_keys_str_mv | AT brunoesteves influenceofchemicalcompositiononheatingvalueofbiomassareviewandbibliometricanalysis AT umutsen influenceofchemicalcompositiononheatingvalueofbiomassareviewandbibliometricanalysis AT helenapereira influenceofchemicalcompositiononheatingvalueofbiomassareviewandbibliometricanalysis |