Tailored Syngas Production from the Gasification of Biogenic Waste in the Presence of a CO2 Sorbent
Chemical Engineering Transactions, 2020 Syngas production via steam gasification is one of the thermochemical processes with the greatest potential for obtaining synthetic fuels from a solid fuel, especially indirect gasification in a dual fluidised bed system where the energy needed for ...
Isabel Martinez +4 more
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Chemical and Process Engineering, 2017 Steady-state characteristics of a catalytic fluidised bed reactor and its dynamical consequences are analyzed. The occurrence of an untypical steady-state structure manifesting in a form of multiple isolas is described.
Bizon Katarzyna
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Multifluid Eulerian modeling of dense gas–solids fluidized bed hydrodynamics: Influence of the dissipation parameters [PDF]
, 2008 Computational fluid dynamic (CFD) models must be thoroughly validated before they can be used with confidence for designing fluidized bed reactors.
Cadoret, Loic +5 more
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Chemical Engineering Transactions, 2016 As woody biomass is gaining importance as an energy source for electricity and heat we need to investigate with scientific methodology the main problems that occur with biomass boiler systems.
L. Rummel, A. Paist
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Gas and solid behaviours during defluidisation of Geldart-A particles [PDF]
, 2011 Bed collapsing experiments were carried out in a cold-air transparent column 192 mm in diameter and 2 m high. Typical Fluid Catalytic Cracking (FCC) catalyst with a mean particle size of 76 μm and a density of 1400 kg/m3 was used.
Andreux, Régis +3 more
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Hybrid two-fluid DEM simulation of gas-solid fluidized beds. [PDF]
, 2007 Simulations of gas-solid fluidized beds have been performed using a hybrid simulation method, which couples the discrete element method (DEM) for particle dynamics with the averaged two-fluid (TF) continuum equations for the gas phase.
Agrawal +25 more
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Bubble Behaviour in Fluidised Beds at Elevated Pressures
Macromolecular Materials and Engineering, 2011 AbstractLow density polyethylene and polypropylene are produced at large scale via the Unipol process. In this process catalyst particles are fluidised with monomer gas and grow into polymeric particles up to a size of 1 mm. The process is operated at 20–25 bar.
Godlieb, W., Deen, N.G., Kuipers, J.A.M.
openaire +2 more sources
Experimental quantification of the particle-wall frictional forces in pseudo-2D gas fluidised beds [PDF]
, 2013 In this work a novel measurement technique for pseudo-2D fluidised beds is developed. The objective is to give an estimation of the overall frictional force between the solids and the front and rear walls of the bed. For doing this, the measured pressure
Acosta Iborra, Antonio +3 more
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Development of filtered Euler–Euler two-phase model for circulating fluidised bed: High resolution simulation, formulation and a priori analyses [PDF]
, 2013 Euler–Euler two-phase model simulations are usually performed with mesh sizes larger than the smallscale structure size of gas–solid flows in industrial fluidised beds because of computational resource limitation.
Fede, Pascal +2 more
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Pilot-scale calcination of limestone in steam-rich gas for direct air capture
Energy Conversion and Management: X, 2019 A novel polygeneration concept, which has been proposed recently, comprises a fuel-cell calciner integrated system in order to produce electricity and lime which can be used for direct air capture (DAC) to remove CO2 from the atmosphere.
María Erans +2 more
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