Study on the Thermal Degradation Kinetics of the Common Wooden Boards

Ge, Jian; Wang, Ruiqi; Liu, Ling

doi:10.1016/j.proeng.2016.01.082

Cited by 14 publications

(6 citation statements)

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“…The obtained results by CR confirm those that were calculated by the Friedman and FWO methods, but with a clearer tendency of the existence of a multi-stage decomposition process [71,78].…”

Section: Resultssupporting

confidence: 82%

Thermal Stability Evaluation of Polystyrene-Mg/Zn/Al LDH Nanocomposites

et al. 2019

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A series of samples of Mg/Zn/Al LDHs (layered double hydroxides) materials was prepared by the co-precipitation and urea hydrolysis methods. They were modified with organic surfactants (acrylate and oleate anions) and characterized by X-ray diffraction, which corroborated the intercalation of anionic species into the interlayer space. The hydrophobized materials were incorporated at low contents (10 and 15 wt.%) to polystyrene, which was synthesized by emulsion polymerization techniques. The polymeric composites were analyzed by thermogravimetry to determine the decomposition temperature. The results demonstrated that the materials with Zn presented the greatest increment in the degradation temperature (7 °C < T < 54 °C). Moreover, the Friedman, Flynn–Wall–Ozawa, and Coats–Redfern models were compared to obtain the kinetic parameters of degradation process. The obtained order of decomposition of the Coats–Redfern model showed that the decomposition process occurs in at least two stages. Finally, the addition of environmentally friendly modified Layered Double Hydroxides (LDH) nanomaterials to the polystyrene (PS) matrix allowed for obtaining polymeric composites with higher thermal stability, retarding the decomposition process of PS.

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“…The obtained results by CR confirm those that were calculated by the Friedman and FWO methods, but with a clearer tendency of the existence of a multi-stage decomposition process [71,78].…”

Section: Resultssupporting

confidence: 82%

Thermal Stability Evaluation of Polystyrene-Mg/Zn/Al LDH Nanocomposites

et al. 2019

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“…The activation energy of Pinus taeda and Pinus elliottii varied between 150-171 and 164-197 kJ/mol, respectively. Ge et al [29] studied the kinetic pyrolysis of some wooden board, density board, core-board, particleboard, plywood, and pine board. If we analyzed from the results of some researchers about the kinetics parameters of pyrolysis of various wood, the value of activation energy was around 70-280 kJ/mol, calculated by iso-conversional method.…”

Section: B Kinetic Studymentioning

confidence: 99%

Kinetic Study of Pyrolysis of Ulin Wood Residue using Thermogravimetric Analysis

Widiyannita¹,

Pradana²,

Cahyono³

et al. 2020

Int. J. Adv. Sci. Eng. Inf. Technol.

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Biomass as a renewable and sustainable energy source is expected to solve the energy crisis problem. Ulin wood residues as a biomass source could be converted into bioenergy utilizing the pyrolysis process since its primary component is a hydrocarbon. Pyrolysis process has received many interests for bioenergy production from biomass, elevating the importance of the kinetic study of pyrolysis. The kinetic study of pyrolysis is related to the beginning stage behavior of gasification and combustion process. The kinetic mechanism of pyrolysis is analyzed using Thermogravimetry Analysis (TGA), by estimating the mass decomposition at solid-state that shows TG and DTG curve. The TG and DTG curves were analyzed to see the effect of heating rate on decomposition temperature. This experiment was performed by heating 10 mg of Ulin wood sawdust from ambient temperature to 1473 K utilizing 100 mL/min of nitrogen (N 2) gas as carrier gas at various heating rate: 5, 10, 20, and 50 K/min. The kinetic parameters were determined by applying the iso-conversional methods, the Kissinger-Akahira-Sunose (KAS) and Flynn-Wall-Ozawa (FWO) methods, and then compared the results with the non iso-conversional method, using Kissinger method. The average value of activation energy calculated using the KAS and FWO methods are 253.5514 and 245.2512 kJ/mol, with the average value of constant coefficient square (R 2) of 0.9848 and 0.9859, respectively, whereas the calculated activation energy and R 2 using the Kissinger method are 237.4478 kJ/mol and 0.8520, respectively.

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“…Thermal degradation kinetics of wood has also been given attention by many researches using the Kissinger-Akahira-Sunose, Flynn-Wall-Ozawa, and Coats-Redfern methods [ 13 , 14 , 15 , 16 , 17 , 18 ]. The results showed that the whole course of pyrolysis of wood can be divided into three phases and the activation energy results of the Kissinger method are higher than Kissinger-Akahira-Sunose.…”

Section: Introductionmentioning

confidence: 99%

Thermal Degradation Kinetics of Sugarcane Bagasse and Soft Wood Cellulose

2017

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The properties of untreated sugar cane bagasse (SCB) and soft wood (SW) and their respective celluloses were investigated. The celluloses indicated improved crystallinity index values and decreased concentration of lignin and hemicellulose compared to their untreated counterparts. Three degradation models, Kissinger-Akahira-Sunose (KAS), Flynn-Wall-Ozawa (OFW), and Kissinger (KGR) methods were employed to determine apparent activation energy values. Generally, the thermal degradation processes of both sugarcane bagasse and soft wood included dehydration, degradation of hemicellulose and cellulose, whereas the lignin degraded from the degradation temperature of hemicellulose to the end of the cellulose. The apparent activation energy values obtained from the OFW and KAS models vary with the degree of conversion, and showed similar trends. The activation energies obtained by KGR were relatively lower than those obtained from the KAS and OFW methods.

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Study on the Thermal Degradation Kinetics of the Common Wooden Boards

Cited by 14 publications

References 0 publications

Thermal Stability Evaluation of Polystyrene-Mg/Zn/Al LDH Nanocomposites

Thermal Stability Evaluation of Polystyrene-Mg/Zn/Al LDH Nanocomposites

Kinetic Study of Pyrolysis of Ulin Wood Residue using Thermogravimetric Analysis

Thermal Degradation Kinetics of Sugarcane Bagasse and Soft Wood Cellulose

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