Characterization of the Effective Density for the Separation of Immersed Objects in the Gas–Solid Fluidized Bed Coal Beneficiator

Z Fu, J Zhu - Industrial & Engineering Chemistry Research, 2023 - ACS Publications
Effective density for the separation of immersed objects which determines the performance
of coal dry beneficiation is of primary importance for Gas–Solid Fluidized Bed Coal …

Pyrolysis of sewage sludge in a fixed and a bubbling fluidized bed–Estimation and experimental validation of the pyrolysis time

A Soria-Verdugo, A Morato-Godino… - Energy Conversion and …, 2017 - Elsevier
Pyrolysis of sewage sludge was studied experimentally in a stainless-steel reactor operated
as a fixed or fluidized bed. A novel measuring technique, consisting of measuring the mass …

Pollutant emissions released during sewage sludge combustion in a bubbling fluidized bed reactor

A Soria-Verdugo, J Kauppinen, T Soini… - Waste Management, 2020 - Elsevier
The combustion of dry sewage sludge particles in a bubbling fluidized bed was studied in
detail, analyzing the composition of the exhaust gases by means of a FTIR equipment. The …

Particles movement behavior and apparent density in gas–solid fluidized bed as determined by an electronic dynamometer and electrical capacitance tomography

X Liu, X Fan, Y Zhao, C Duan, C Zhou - Chemical Engineering Journal, 2022 - Elsevier
Fluidization technology is extensively applied in the field of wastewater treatment, the
petroleum industry, and coal separation. In some industrial production processes, large …

Computational analysis of the hydrodynamic behavior for different air distributor designs of fluidized bed gasifier

N Raza, M Ahsan, MT Mehran, SR Naqvi… - Frontiers in Energy …, 2021 - frontiersin.org
Fluidized bed gasification has proven to be an appropriate technique for converting various
biomass feedstocks into helpful energy. Air distributor plate design is one of the critical …

Effect of bed material density on the performance of steam gasification of biomass in bubbling fluidized beds

A Soria-Verdugo, L Von Berg, D Serrano… - Fuel, 2019 - Elsevier
Steam gasification of lignocellulosic biomass in a bubbling fluidized bed reactor was
analyzed by means of the composition of the producer gas, including tars, and temperature …

Experimental evaluation of the convection heat transfer coefficient of large particles moving freely in a fluidized bed reactor

LM Garcia-Gutierrez, F Hernández-Jiménez… - International Journal of …, 2020 - Elsevier
Heat transfer is a key aspect in the performance of fluidized bed reactors. In particular, the
dense phase heat transfer coefficient, which determines the heat exchanged between the …

Comparative hydrodynamics study of fluidized bed gasifier incorporating static and rotating air distributor plates: A CFD approach

N Raza, M Ahsan, MT Mehran, SR Naqvi, I Ahmad - Powder Technology, 2022 - Elsevier
This paper studies hydrodynamics of bubbling fluidized bed gasifier using static and rotating
perforated air distributor plates. Pressure drop across the bed is calculated numerically …

On the dynamics of a sinking object in a bubbling gas–solid fluidized bed by a ball-type inertial measurement unit and electrical capacitance tomography

J Lu, D Wang, J Qiao, C Duan - Powder Technology, 2022 - Elsevier
The motion and dynamics of large objects in bubbling gas–solid fluidized beds are complex,
especially for objects with densities similar to those of the bed. In this study, a method …

Fully coupled TFM-DEM simulations to study the motion of fuel particles in a fluidized bed

F Hernández-Jiménez, LM García-Gutiérrez… - Chemical Engineering …, 2015 - Elsevier
In the present work, novel numerical simulations using a hybrid model are carried out to
study the motion of objects, representing fuel particles, in a pseudo-2D fluidized bed. The …