Research on Co-Combustion of High-Calorific Biomass Obtained Using Gasification and Lignite for Sustainable Utilisation of Resources DOI Open Access
Andrey Zhuikov,

Tatyana Pyanykh,

I I Grishina

et al.

Sustainability, Journal Year: 2025, Volume and Issue: 17(7), P. 2845 - 2845

Published: March 23, 2025

As part of the transition to low-carbon energy and for sustainable utilisation resources, it is necessary seek a replacement solid fossil fuels, but unfortunately, impossible completely abandon them various reasons at moment, so only partial with new, high-calorific, biomass-based fuels possible. The purpose this work determine typical parameters co-combustion carbonisate, coal their mixtures, taking into account synergetic effects influencing combustion intensity mixture. Carbonisate was obtained in process gasification pinewood through counter-blowing method temperature 800–900 °C, while air used as an oxidant. Basically, order obtain high-calorific coke metallurgical industry. Also, study, first time, carbonisate from 50% lignite. O/C H/C ratios were determined carbonisate. A technical elemental analysis investigated carried out. thermal oxidising medium applied determining slow heating under study. According results analysis, such ignition temperature, burnout maximum mass loss rate, index, etc., determined. It noted that calorific value carbonised wood two times higher than coal. index carbonisates 2.5–36% lower compared interaction components among themselves (in joint combustion), presence interactions between determined, which affected change heat release intensity. study may be useful retrofitting coal-fired boilers run on mixture containing If produced biomass, resulting gas could fuel by burning boiler.

Language: Английский

The Effect of Chemical Modification by Synthetic and Natural Fire-Retardants on Burning and Chemical Characteristics of Structural Fir (Abies alba L.) Wood DOI Creative Commons
Kateřina Hájková, Přemysl Šedivka, Tomáš Holeček

et al.

Fire, Journal Year: 2025, Volume and Issue: 8(3), P. 116 - 116

Published: March 18, 2025

The effect of a surface coating with an aqueous solution containing synthetic diammonium hydrogen phosphate fire retardant and vacuum pressure impregnation retardant, potassium acetate, natural polymeric arabinogalactan, to improve the resistance selected properties structural fir (Abies alba L.) wood was investigated in this article. combustion characteristics were investigated, heat reflects presence retardants. Changes content cellulose, hemicelluloses, holocellulose, lignin, extractives characterize chemical changes caused by these factors. relationship between chemically modified as consequence flame retardants assessed using Fourier transform infrared spectroscopy. results showed that effectiveness against ignition burning when applied always higher than case coating, even solutions low concentrations. In phosphate, 5% concentration sufficient provide suitable retardancy. Further, degradation depolymerization cellulose occurred only at temperatures 460 470 °C. Low concentrations limit loss environment consequent ecological impact.

Language: Английский

Citations

0
Research on Co-Combustion of High-Calorific Biomass Obtained Using Gasification and Lignite for Sustainable Utilisation of Resources DOI Open Access
Andrey Zhuikov,

Tatyana Pyanykh,

I I Grishina

et al.

Sustainability, Journal Year: 2025, Volume and Issue: 17(7), P. 2845 - 2845

Published: March 23, 2025

As part of the transition to low-carbon energy and for sustainable utilisation resources, it is necessary seek a replacement solid fossil fuels, but unfortunately, impossible completely abandon them various reasons at moment, so only partial with new, high-calorific, biomass-based fuels possible. The purpose this work determine typical parameters co-combustion carbonisate, coal their mixtures, taking into account synergetic effects influencing combustion intensity mixture. Carbonisate was obtained in process gasification pinewood through counter-blowing method temperature 800–900 °C, while air used as an oxidant. Basically, order obtain high-calorific coke metallurgical industry. Also, study, first time, carbonisate from 50% lignite. O/C H/C ratios were determined carbonisate. A technical elemental analysis investigated carried out. thermal oxidising medium applied determining slow heating under study. According results analysis, such ignition temperature, burnout maximum mass loss rate, index, etc., determined. It noted that calorific value carbonised wood two times higher than coal. index carbonisates 2.5–36% lower compared interaction components among themselves (in joint combustion), presence interactions between determined, which affected change heat release intensity. study may be useful retrofitting coal-fired boilers run on mixture containing If produced biomass, resulting gas could fuel by burning boiler.

Language: Английский

Citations

0