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Article
Engineering, Mechanical
P. Suresh Kumar et al.
Summary: Pyrolysis has been recognized as a sustainable method for assessing the bioenergy potential of agricultural waste, but little is known about the characterization and kinetics of Indian almond fruit (IAF) biomass. In this study, the IAF biomass was characterized using proximate, ultimate, and chemical analysis, and its pyrolysis behavior and kinetic analysis were investigated using thermogravimetric analysis (TGA) technique. The results showed the heating value, carbon and hydrogen contents, and lignin content of IAF biomass, as well as its decomposition stages and activation energy. The thermodynamic analysis revealed that the pyrolysis process of IAF biomass was spontaneous and endothermic. The findings of this study provide valuable information for understanding the bioenergy potential of IAF biomass and can be compared with previous research on biomass pyrolysis.
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART E-JOURNAL OF PROCESS MECHANICAL ENGINEERING
(2023)
Article
Green & Sustainable Science & Technology
Yu Wang et al.
Summary: CO2 gasification of biomass is a promising method for achieving carbon neutrality. However, most studies have focused on the pyrolysis of biomass or the CO2 gasification of biochar, neglecting the exploration of the whole reaction process and the relationship between the pyrolysis stage and gasification stage. In this paper, the authors conducted a kinetic analysis of the CO2 gasification process of corn straw and found that it can be divided into two major stages: biomass pyrolysis and biochar gasification. The study provides valuable insights for the development of industrial reactors for the CO2 gasification of corn straw.
Article
Agricultural Engineering
Yingkai Li et al.
Summary: Detailed kinetic and thermodynamic studies of the three main components (cellulose, hemicellulose and lignin) of lignocellulosic biomass extracted from bamboo residues were conducted using thermogravimetric analysis. Kinetic parameters showed the average activation energy of the three components to be cellulose, hemicellulose, and lignin. The dominant mechanism in the pyrolysis process was found to be diffusion based on master plots. Thermodynamic analysis revealed the endothermic and non-spontaneous nature of the pyrolysis process.
BIOMASS & BIOENERGY
(2023)
Article
Energy & Fuels
Hesham Alhumade et al.
Summary: The Egyptian grass is a low-cost grass that can be used to produce clean fuels through pyrolysis. The study provides insights into the pyrolysis process of Egyptian grass biomass and identifies its outstanding potential for producing clean fuels.
Article
Energy & Fuels
Abrar Inayat et al.
Summary: The potential of surface fibers from date palm waste as feedstock for bio-oil production was investigated. Chemical composition analysis and physiochemical characterization indicated that surface fibers are valuable feedstock for energy production. Thermogravimetric analysis showed that the decomposition of surface fibers occurs in three stages: dehydration, devolatilization, and solid combustion.
Article
Energy & Fuels
Mohsin Raza et al.
Summary: Pyrolytic kinetic and thermodynamic analyses of date seeds were conducted using TGA. The results showed that the pyrolysis process consists of three stages: dehydration, devolatilisation, and char formation. The kinetic evaluation was performed using the Coats-Redfern method, and the best-fit model was the Zhuravlev diffusion equation. The data obtained are valuable for understanding the pyrolysis mechanism of date seeds and can be used in the design of pyrolysis reactors.
Article
Ecology
Olga Yu. Fetisova et al.
Summary: The kinetics of pyrolysis of bark wood from four coniferous tree species were studied. It was found that the addition of KCl and K3PO4 compounds affects the decomposition temperature and yield of cellulose. Using KCl decreased the peak decomposition temperature of cellulose in fir bark, while K3PO4 promoted the simultaneous decomposition of cellulose and hemicelluloses. Both additives reduced the rate of weight loss and increased the yield of carbon residues.
Article
Agricultural Engineering
Manish Choudhary et al.
Summary: The chemical treatment of sun hemp fibers enhances its thermal stability, with an activation energy ranging from 93.3-104.8 kJ/mol and a pre-exponential factor ranging from 46.6 x103-90.5 x106/min.
BIORESOURCE TECHNOLOGY
(2023)
Article
Thermodynamics
Aleksandra Petrovic et al.
Summary: In this study, the effect of pre-treatment processes (torrefaction and hydrothermal carbonization) on the pyrolysis of food industry sewage sludge was investigated. The results showed that pre-treatment significantly increases the activation energy for pyrolysis and improves the thermochemical properties and stability of the treated samples.
THERMAL SCIENCE AND ENGINEERING PROGRESS
(2023)
Article
Energy & Fuels
Abolee Jagtap et al.
Summary: In this study, the thermochemical and pyrolysis characteristics of soybean straw were investigated using thermal analysis methods. The kinetic parameters and thermodynamic variables were calculated through modeling and simulation, and the results were in good agreement with experimental data.
BIOMASS CONVERSION AND BIOREFINERY
(2022)
Article
Energy & Fuels
R. R. Dirgarini J. N. Subagyono et al.
Summary: In this study, the fast-growing wood Macaranga gigantea was pyrolyzed and the pyrolysis products were characterized and their formation kinetics were studied. The results showed that increasing the pyrolysis temperature and time increased the yield of liquid and gas products and the concentration of cellulose, hemicellulose, and lignin-derived compounds, but decreased the biochar yield. The pyrolysis products mainly contained phenolic compounds and their derivatives, eugenols, furans, aldehydes, and ketones. The thermal decomposition of M. gigantea required temperatures higher than 300 degrees C to optimize thermal decomposition and carbonization of lignin, cellulose, and hemicellulose. The pyrolysis kinetics of M. gigantea wood occurred through four main stages.
Article
Agricultural Engineering
Jiong Wang et al.
Summary: Through the study, it was found that the activation energy for biomass samples varied significantly in different conversion ranges, and the frequency factor values also varied within the same conversion ranges for different samples. The average change in Gibbs free energy for the pyrolysis of pinewood sawdust and sugarcane bagasse was 207.5 and 205.8 kJ/mol, respectively. The difference between activation energy and enthalpy for the pyrolysis of both biomass samples was approximately 5.5 kJ/mol, indicating favorable product formation with considerable bioenergy potential.
INDUSTRIAL CROPS AND PRODUCTS
(2022)
Article
Chemistry, Analytical
S. Clemente-Castro et al.
Summary: The pyrolytic behavior of various leguminous biomass was studied, and it was found that L. leucocephala and C. proliferus are more suitable for pyrolysis. The biomass produced volatile compounds with high phenol content at the peak of maximum degradation of hemicellulose. Different compounds were detected at the peak of maximum degradation of cellulose, with L. leucocephala and C. proliferus producing more short-chain compounds that give rise to bio-oils, while S. sesban and P. alba produce high added value saccharides.
JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS
(2022)
Article
Chemistry, Analytical
Xiaojuan Guo et al.
Summary: This study analyzed the physicochemical characteristics, kinetics, and thermodynamics of corn and cotton stalks pyrolysis. The results showed that their pyrolysis processes are nonspontaneous, requiring external energy, and their endothermicity and reactivity increase as the pyrolysis progresses.
JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS
(2022)
Article
Green & Sustainable Science & Technology
Durica Katnic et al.
Summary: Redirecting waste biomass back into the economy has economic and environmental benefits. This research characterized waste biomass and investigated its combustion behavior using physico-chemical analysis and thermal analysis techniques. The kinetic analysis of the biomass decomposition process was performed, and different methods were used to obtain activation energy values. The results can be used for the design of pyrolysis reactors and have ecological significance in solving solid waste disposal problems.
JOURNAL OF CLEANER PRODUCTION
(2022)
Review
Engineering, Environmental
Dadi Suriapparao et al.
Summary: Pyrolysis is a thermochemical conversion platform that converts biomass and plastics into value-added products. This review focuses on understanding the role of different parameters, such as feedstock composition, heating rate, reaction temperature, residence time, feedstock particle size, and type of pyrolysis reactor. It also analyzes the upgradation of bio-oil using physical and catalytic approaches, as well as the synergistic effects of co-pyrolysis and catalytic co-pyrolysis. The review discusses the use of microwave heating and the role of metal oxide and zeolite catalysts in hydrocarbon and oxygenate formation. Future promising approaches include pyrolysis-combustion combination, microwave hybrid heating, and continuous catalytic co-pyrolysis. This review fills the research gap in understanding pyrolysis process parameters and waste valorization using microwave-assisted pyrolysis, co-pyrolysis, and catalytic co-pyrolysis technologies. It also provides insights into the effective utilization of biomass and plastic waste.
PROCESS SAFETY AND ENVIRONMENTAL PROTECTION
(2022)
Article
Thermodynamics
Jonas Kristanto et al.
Summary: This study aimed to analyze the stages of biomass pyrolysis using a comprehensive kinetics study. Pyrolysis experiments were conducted on teak sawdust, klason lignin, and cellulose, and the results were analyzed using various methods. Consistent trends in activation energy were observed using the model-free methods KAS and OFW. Additionally, a multi-component nth-order DAEM model successfully fit the experimental data and captured the two stages of lignin pyrolysis.
THERMOCHIMICA ACTA
(2022)
Article
Energy & Fuels
Nidhi Agnihotri et al.
Summary: This study analyzed the thermal degradation characteristics of Melia azedarach sawdust (MAS) and found its high potential for biofuel production. Through experiments and modeling, the kinetic and thermodynamic parameters at different temperatures were estimated. The study also found that MAS performs better in pyrolysis at higher heating rates. Overall, MAS is suitable for biofuel production through pyrolysis and has high energy potential.
BIOMASS CONVERSION AND BIOREFINERY
(2022)
Article
Agricultural Engineering
D. Rammohan et al.
Summary: The pyrolysis of Delonix regia biomass was studied through non-isothermal thermogravimetric experiments, aiming to investigate the kinetic and thermodynamic parameters. Five isoconversional methods were used, and the results showed the range of average activation energy, pre-exponential factor, average enthalpy, and Gibbs free energy. The pyrolysis mechanism was confirmed based on Avrami-Erofeyev, power-law, and reaction according to Criado's master plots.
BIORESOURCE TECHNOLOGY
(2022)
Article
Energy & Fuels
P. Suresh Kumar et al.
Summary: In this study, the pyrolysis characteristics and kinetic analysis of waste Indian almond fruit (IAF) and the algae Gracilaria changii (G. changii) biomass were investigated. The results showed that the ultimate utilisation of G. changii biomass was greater in the synthesis of biofuel.
BIOMASS CONVERSION AND BIOREFINERY
(2022)
Article
Green & Sustainable Science & Technology
Habu Iyodo Mohammed et al.
Summary: This study determined the bioenergy potential of Doum palm shell (HTS) using compositional and thermogravimetric analyses. The results show that HTS has a high percentage of hydrogen, carbon, and volatile matter, making it a viable option for bioenergy production.
Article
Green & Sustainable Science & Technology
Ahmad Nawaz et al.
Summary: The study evaluated the thermal degradation characteristics of Sesbania bispinosa biomass, indicating its suitability for pyrolysis at higher heating rates. Various methods were used to predict kinetic parameters, and artificial neural network was employed for thermal degradation data prediction, showing a strong correlation between actual and predicted values. The research demonstrated the potential of Sesbania bispinosa biomass as a feedstock for bioenergy production through pyrolysis.
Article
Green & Sustainable Science & Technology
Gozde Gozke
Summary: Converting watermelon seeds into biomass energy is an environmentally friendly opportunity to meet energy demand and reduce reliance on fossil fuels. This study investigated the thermogravimetric pyrolysis of watermelon seeds and determined the pyrolysis characteristics and activation energies. Thermodynamic parameters were also calculated.
Article
Environmental Sciences
Sakthivel Rajamohan et al.
Summary: The research on the application of synthetic fuel derived from waste plastics in a direct injection diesel engine shows that SF20 blend exhibits superior performance and emission characteristics under various loading conditions compared to other blends.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2021)
Article
Green & Sustainable Science & Technology
Pulla Rose Havilah et al.
Summary: Uttarakhand has abundant pine needle resources, making pine needles a potential biomass feedstock for gasification. Thermal analysis reveals that pine needles could be a suitable candidate for energy production through gasification. Further research is needed to fully understand the thermal degradation behavior of pine needles during the gasification process.
ENVIRONMENT DEVELOPMENT AND SUSTAINABILITY
(2021)
Article
Green & Sustainable Science & Technology
Hasan Merdun et al.
Summary: Thermal and kinetic analyses of co-pyrolysis of greenhouse vegetables wastes (GVW) and coal were conducted using TGA with different heating rates in this study. The synergistic effect between GVW and coal during co-pyrolysis was highlighted by calculating the deviation between experimental and calculated values of mass loss and mass loss rate. The blend of 50%wt showed the smallest activation energy and was identified as the best combination for the simultaneous valorization of GVW and coal through pyrolysis.
Article
Green & Sustainable Science & Technology
Abhisek Sahoo et al.
Summary: The kinetic and thermodynamic parameters of the pyrolysis process of Putranjiva roxburghii and Cassia fistula non-edible oilseeds were studied using a thermogravimetric analyzer, which recommended the suitability of these oilseeds for the pyrolysis process.
Article
Biotechnology & Applied Microbiology
Chuanshuai Chen et al.
Summary: Torrefaction is an effective pretreatment process for biomass, which can enhance energy density and reduce moisture and oxygen contents. The study showed that increasing torrefaction temperature decreased hemicellulose and cellulose contents, while the activation energy increased with torrefaction temperature.
ENVIRONMENTAL TECHNOLOGY & INNOVATION
(2021)
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Sindhu Subramanian et al.
Article
Green & Sustainable Science & Technology
Hammad Siddiqi et al.
Review
Thermodynamics
Sergey Vyazovkin et al.
THERMOCHIMICA ACTA
(2020)
Article
Agricultural Engineering
Rajnish Kumar Singh et al.
BIORESOURCE TECHNOLOGY
(2020)
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Agricultural Engineering
Ranjeet Kumar Mishra et al.
BIORESOURCE TECHNOLOGY
(2020)
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Thermodynamics
Filipe Rego et al.
Article
Energy & Fuels
Meredith R. Barr et al.
Article
Green & Sustainable Science & Technology
R. Sakthivel et al.
Article
Agricultural Engineering
Inamullah Mian et al.
BIORESOURCE TECHNOLOGY
(2019)
Article
Green & Sustainable Science & Technology
Xinsong Yuan et al.
Review
Green & Sustainable Science & Technology
Abhishek Sharma et al.
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
(2015)
