Experimental and modeling analysis of a batch gasification/pyrolysis reactor

Baggio, Paolo; Baratieri, Marco; Fiori, Luca; Grigiante, M.; Avi, D.; Tosi, Paolo

doi:10.1016/j.enconman.2009.03.004

Cited by 43 publications

(24 citation statements)

References 25 publications

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“…In the case of the equilibrium calculation, this behavior was caused by two competitions: carbon conversion from solid reactions and concurrent gaseous reactions. From the thermodynamic viewpoint, both reactions occur predominantly at reduced temperatures [34]. The strong dependence of hydrogen content on solid carbon conversion is in line with the experimental data of Jarungthammachote et al [5].…”

Section: Comparison With Equilibrium Modelsupporting

confidence: 78%

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One-Dimensional Modeling of an Entrained Coal Gasification Process Using Kinetic Parameters

Hwang

Song

2016

Energies

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A one-dimensional reactor model was developed to simulate the performance of an entrained flow gasifier under various operating conditions. The model combined the plug flow reactor (PFR) model with the well-stirred reactor (WSR) model. Reaction kinetics was considered together with gas diffusion for the solid-phase reactions in the PFR model, while equilibrium was considered for the gas-phase reactions in the WSR model. The differential and algebraic equations of mass balance and energy balance were solved by a robust ODE solver, i.e., an semi-implicit Runge-Kutta method, and by a nonlinear algebraic solver, respectively. The computed gasifier performance was validated against experimental data from the literature. The difference in product gas concentration from the equilibrium model, and the underlying mechanisms were discussed further. The optimal condition was found after parameter studies were made for various operating conditions.

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Section: Comparison With Equilibrium Modelsupporting

confidence: 78%

“…Those data were compared against the predicted results from the two-phase equilibrium model [34,35]. The equilibrium solution was obtained by using the open source software, Cantera.…”

Section: Comparison With Equilibrium Modelmentioning

confidence: 99%

One-Dimensional Modeling of an Entrained Coal Gasification Process Using Kinetic Parameters

Hwang

Song

2016

Energies

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“…The data acquisition unit consists of an Agilent34970 multimeter (DMM 6 accuracy) with a 20-channel plug-in module connected to a PC by means of a RS-232 port. For a more detailed description of this apparatus reference is made to [8].…”

Section: Instrumentationmentioning

confidence: 99%

Pyrolysis Analysis and Solid Residue Stabilization of Polymers, Waste Tyres, Spruce Sawdust and Sewage Sludge

Grigiante

Ischia

Baratieri

et al. 2010

Waste Biomass Valor

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“…Cantera is an open-source library of object-oriented functions for solving problems in different areas such as chemical kinetics, thermodynamics and transport processes. The Cantera library has been successfully used in the simulation of coal and biomass thermochemical conversion problems (Baratieri et al, 2008;Baggio et al, 2009;Caton et al, 2010;Messig et al, 2010).…”

Section: Thermodynamic Equilibrium Modelingmentioning

confidence: 99%

Evaluation of Biomass and Coal Co-Gasification of Brazilian Feedstock Using a Chemical Equilibrium Model

Rodrigues

Muniz

Marcílio

2016

Braz. J. Chem. Eng.

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-Coal and biomass are energy sources with great potential for use in Brazil. Coal-biomass cogasification enables the combination of the positive characteristics of each fuel, besides leading to a cleaner use of coal. The present study evaluates the potential of co-gasification of binary coal-biomass blends using sources widely available in Brazil. This analysis employs computational simulations using a reliable thermodynamic equilibrium model. Favorable operational conditions at high temperatures are determined in order to obtain gaseous products suitable for energy cogeneration and chemical synthesis. This study shows that blends with biomass ratios of 5% and equivalence ratios ≤ 0.3 lead to high cold gas efficiencies. Suitable gaseous products for chemical synthesis were identified at biomass ratios ≤ 35% and moisture contents ≥ 40%. Formation of undesirable nitrogen and sulfur compounds was also analyzed.

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Experimental and modeling analysis of a batch gasification/pyrolysis reactor

Cited by 43 publications

References 25 publications

One-Dimensional Modeling of an Entrained Coal Gasification Process Using Kinetic Parameters

One-Dimensional Modeling of an Entrained Coal Gasification Process Using Kinetic Parameters

Pyrolysis Analysis and Solid Residue Stabilization of Polymers, Waste Tyres, Spruce Sawdust and Sewage Sludge

Evaluation of Biomass and Coal Co-Gasification of Brazilian Feedstock Using a Chemical Equilibrium Model

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