Hydrodynamic and solids residence time distribution in a binary bubbling fluidized bed: 3D computational study coupled with the structure-based drag model
Sign Up to like & getrecommendations! Published in 2017 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2017.03.110
Abstract: Abstract The simulation of bubbling fluidized beds (BFB) residence time distribution (RTD) based on the structure-based drag model are conducted for the single and binary gas-solid phases systems, a comparison of computed results with experimental… read more here.
Keywords: residence; residence time; structure based; time distribution ... See more keywords
Eulerian-Lagrangian simulation study of the gas-solid reacting flow in a bubbling fluidized coal gasifier
Sign Up to like & getrecommendations! Published in 2021 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2021.130825
Abstract: Abstract A reactive multiphase particle-in-cell approach is developed to explore the air-blown coal gasification in a bubbling fluidized bed reactor. The model is validated by comparing the predicted bed hydrodynamics and product yields with experimental… read more here.
Keywords: gas; bubbling fluidized; hydrodynamics; lagrangian simulation ... See more keywords
Particle mixing in bubbling fluidized bed reactors with continuous particle exchange
Sign Up to like & getrecommendations! Published in 2019 at "Chemical Engineering Science"
DOI: 10.1016/j.ces.2018.10.001
Abstract: Abstract This paper reports on experiments conducted with a cold flow model utilized for the investigation of the particle residence time distribution and mixing characteristics in a bubbling fluidized bed with continuous solids exchange. The… read more here.
Keywords: exchange; bubbling fluidized; fluidized bed; particle mixing ... See more keywords
Fluid dynamic modeling of a large bubbling fluidized bed for biomass combustion: Mass transfer in bubbles
Sign Up to like & getrecommendations! Published in 2019 at "Chemical Engineering Science"
DOI: 10.1016/j.ces.2018.11.023
Abstract: Abstract A one-dimensional mathematical model of the fluid dynamics and combustion process in a bubbling fluidized bed was developed. In the bubble phase, the model includes the throughflow and bypass flow, which crosses the bed… read more here.
Keywords: bubbling fluidized; fluidized bed; mass transfer; bed ... See more keywords
Bubble behavior in gas–solid bubbling fluidized beds based on EMMS model: Comparison of 2D, Q2D, and 3D simulations
Sign Up to like & getrecommendations! Published in 2019 at "Chemical Engineering Research and Design"
DOI: 10.1016/j.cherd.2019.06.009
Abstract: Abstract In this work, bubbling fluidized beds in two-, quasi-two-, and three-dimensional geometries are simulated by the Eulerian–Eulerian two-fluid model (TFM) coupled with an energy minimization multi-scale model. The parameters bubble diameter, bubble vertical velocity,… read more here.
Keywords: gas; bubbling fluidized; quasi two; model ... See more keywords
Experiment and numerical analysis of catalytic CO2 methanation in bubbling fluidized bed reactor
Sign Up to like & getrecommendations! Published in 2021 at "Energy Conversion and Management"
DOI: 10.1016/j.enconman.2021.113863
Abstract: Abstract This study experimentally and numerically investigated the hydrodynamics, reaction kinetics, and heat transfer of a bench-scale bubbling fluidized bed (BFB) reactor for CO2 methanation. A three-dimensional gas–solid Eulerian computational fluid dynamics (CFD) model coupled… read more here.
Keywords: co2; bubbling fluidized; fluidized bed; reaction ... See more keywords
Experimental study on steam gasification of torrefied woodchips in a bubbling fluidized bed reactor
Sign Up to like & getrecommendations! Published in 2020 at "Energy"
DOI: 10.1016/j.energy.2020.117744
Abstract: Abstract Biomass-based fuel is a potential renewable energy source despite its low energy density, high moisture content, and complex ash components due to its carbon-neutral nature. Torrefaction process, a promising biomass pretreatment method for upgrading… read more here.
Keywords: energy; biomass; fluidized bed; bubbling fluidized ... See more keywords
Dry additive desulfurization in oxyfuel bubbling fluidized bed combustor
Sign Up to like & getrecommendations! Published in 2021 at "Fuel"
DOI: 10.1016/j.fuel.2020.118945
Abstract: Abstract This work presents research results of direct sorbent addition for SO2 capture from a lignite coal combustion in a bubbling fluidized bed (BFB). SO2 capture ratio in air and in full oxyfuel combustion conditions… read more here.
Keywords: combustion; ratio; fluidized bed; bubbling fluidized ... See more keywords
Parametric study for MP-PIC simulation of bubbling fluidized beds with Geldart A particles
Sign Up to like & getrecommendations! Published in 2018 at "Powder Technology"
DOI: 10.1016/j.powtec.2018.01.024
Abstract: Abstract This is a parametric study for multi-phase particle in cell (MP-PIC) simulation of bubbling fluidized beds with Geldart A particles using the open source MFIX program. The main parameters have been studied including drag… read more here.
Keywords: geldart particles; ppp; bubbling fluidized; pic simulation ... See more keywords
Quantification of Solid Mixing in Bubbling Fluidized Beds via Two-Fluid Model Simulations
Sign Up to like & getrecommendations! Published in 2020 at "Industrial & Engineering Chemistry Research"
DOI: 10.1021/acs.iecr.9b06343
Abstract: The influence of particle density and fluidization velocity on mixing behavior of Geldart B particles was investigated in bubbling fluidized beds for various operating conditions using a two-fluid ... read more here.
Keywords: solid mixing; fluidized beds; quantification solid; two fluid ... See more keywords
Simulation of Biomass Air Gasification in a Bubbling Fluidized Bed Using Aspen Plus: A Comprehensive Model Including Tar Production
Sign Up to like & getrecommendations! Published in 2022 at "ACS Omega"
DOI: 10.1021/acsomega.2c04492
Abstract: This work studied a multistage gasification system that is designed for producing a syngas with a low tar content. The proposed system is an atmospheric bubbling fluidized-bed gasifier and comprises mainly pyrolysis, combustion, and gasification… read more here.
Keywords: gasification; bubbling fluidized; air; fluidized bed ... See more keywords