Kinetic study of solid waste pyrolysis using distributed activation energy model

Bhavanam, Anjireddy; Sastry, R. C.

doi:10.1016/j.biortech.2014.10.028

Cited by 109 publications

(34 citation statements)

References 19 publications

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“…To use these methods, a series of experiments has to be conducted at different heating rates [16]. During the last decade, these methods have been frequently used to study the pyrolysis decomposition kinetics and apparent activation energy for very different materials [21][22][23][24][25][26][27]. Among these methods, the one developed by Vyazovkin [16] allows for the calculation of the activation energy from dynamic data and may be applied to both simple and complex reactions.…”

Section: Kinetic Theorymentioning

confidence: 99%

Thermogravimetric analysis of the co-pyrolysis of a bituminous coal and pulp mill sludge

Coimbra

Bermejo

Escapa

et al. 2015

J Therm Anal Calorim

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Thermal valorization of organic wastes by coprocessing with coal may be a management option for such wastes. In this work, the separate pyrolysis of coal and primary and secondary pulp mill sludge was assessed by thermogravimetric (TG) analysis. Then, under the same experimental conditions, the pyrolysis TG curves of the coal blends with a 10 mass% of either primary or secondary pulp mill sludge were obtained. The corresponding differential thermogravimetry curves made evident that the devolatilization of coal starts at higher temperature and reaches higher char yields than that of primary or secondary paper mill sludge. Under blending, lower devolatilization temperatures and char yields, close to the weighted calculated ones, are observed. Non-isothermal kinetic analysis showed that the Arrhenius activation energy (E) corresponding to the pyrolysis of coal was lower than that corresponding to either L1 or L2. Moreover, lower E than the weighted calculated ones was determined for the co-pyrolysis of the blends.

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Section: Kinetic Theorymentioning

confidence: 99%

Thermogravimetric analysis of the co-pyrolysis of a bituminous coal and pulp mill sludge

Coimbra

Bermejo

Escapa

et al. 2015

J Therm Anal Calorim

View full text Add to dashboard Cite

show abstract

“…the mean of activation energy distribution E 0 , the standard deviation of the activation energy distribution σ and the pre-exponential factor k 0 [9,10]. Usually, it is assumed that all reactions share the same pre-exponential factor k 0 and, in order to simplify calculations, it is fixed at constant value [11][12][13][14].…”

Section: Introductionmentioning

confidence: 99%

Pyrolysis of solid fuels: Thermochemical behaviour, kinetics and compensation effect

Czajka

Kisiela

Moroń

et al. 2016

Fuel Processing Technology

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“…Knowledge of the thermal behavior of microalgae during the pyrolysis process, especially their apparent kinetics, is a crucial factor for the efficient use of this type of biomass as a source to produce biofuels [2]. A deeper knowledge of the pyrolysis process will serve as a useful tool for the design and operation of pyrolysis reactors with higher efficiency [3]. A widely used technique employed to study the pyrolysis of solid fuels is thermogravimetric analysis (TGA), which permits the calculation of pyrolysis kinetic parameters from the measurement of the evolution of the mass of a sample subjected to a temperature increase in an inert atmosphere.…”

Section: Introductionmentioning

confidence: 99%

Analyzing the pyrolysis kinetics of several microalgae species by various differential and integral isoconversional kinetic methods and the Distributed Activation Energy Model

et al. 2018

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Analyzing the pyrolysis kinetics of several microalgae species by various differential and integral isoconversional kinetic methods and the Distributed Activation Energy Model, Algal Research 32 (2018) 11-29. AbstractThe pyrolysis kinetics of the microalgae Chlorella Vulgaris (CV), Isochrysis Galbana (IG), Nannochloropsis Gaditana (NG), Nannochloropsis Limnetica (NL), Phaeodactylum Tricornutum (PT), and Spirulina Platensis (SP) were studied by non-isothermal thermogravimetric analysis conducted at nine different constant heating rates. The kinetic parameters of each microalgae species were calculated using several kinetic methods, such as those of Kissinger, Friedman, Ozawa-Flynn-Wall (OFW), Kissinger-Akahira-Sunose (KAS), Vyazovkin, and the simplified Distributed Activation Energy Model (DAEM). The results show that the kinetic parameters calculated from the integral isoconversional methods OFW, KAS and Vyazovkin are similar to those determined by applying the simplified DAEM. In contrast, application of the differential isoconversional method of Friedman led to moderate deviations in the activation energies and pre-exponential factors computed, whereas the unique values of the kinetic parameters determined by the Kissinger method resulted in the highest deviations.

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Kinetic study of solid waste pyrolysis using distributed activation energy model

Cited by 109 publications

References 19 publications

Thermogravimetric analysis of the co-pyrolysis of a bituminous coal and pulp mill sludge

Thermogravimetric analysis of the co-pyrolysis of a bituminous coal and pulp mill sludge

Pyrolysis of solid fuels: Thermochemical behaviour, kinetics and compensation effect

Analyzing the pyrolysis kinetics of several microalgae species by various differential and integral isoconversional kinetic methods and the Distributed Activation Energy Model

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