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Artículo
Limestone calcination nearby equilibrium: Kinetics, CaO crystal structure, sintering and reactivity
(American Chemical Society, 2015)
In this work, we analyze limestone calcination kinetics at environmental conditions involving a CO2 partial pressure P close to the equilibrium pressure Peq by means of in situ X-ray diffraction (XRD) and thermogravimetric ...
Artículo
The Sevilla Powder Tester: A Tool for Measuring the Flow Properties of Cohesive Powders at High Temperatures
(Hosokawa Powder Technology Foundation, 2022)
Understanding the flowability of cohesive powders at high temperature is of great importance for many industrial applications where these materials are handled at harsh thermal conditions. For instance, the Calcium-Looping ...
Artículo
Role of particle size on the multicycle calcium looping activity of limestone for thermochemical energy storage
(Elsevier, 2020)
The calcium looping process, based on the reversible reaction between CaCO3 and CaO, is recently attracting a great deal of interest as a promising thermochemical energy storage system to be integrated in Concentrated Solar ...
Artículo
Carbonation of Limestone Derived CaO for Thermochemical Energy Storage: From Kinetics to Process Integration in Concentrating Solar Plants
(American Chemical Society, 2018)
Thermochemical energy storage (TCES) is considered as a promising technology to accomplish high energy storage efficiency in concentrating solar power (CSP) plants. Among the various possibilities, the calcium-looping (CaL) ...
Artículo
Effect of heat pretreatment/recarbonation in the Ca-looping process at realistic calcination conditions
(American Chemical Society, 2014)
Even though an increasing number of pilot-scale plants are demonstrating the potential efficiency of the Ca-looping technology to capture CO2 at a commercial level, a still standing matter of concern is the loss of carbonation ...
Artículo
Jamming Threshold of Dry Fine Powders
(American Physical Society, 2004)
We report a novel experimental study on the jamming transition of dry fine powders with controlled attractive energy and particle size. Like in attractive colloids dry fine particles experience diffusionlimited clustering ...
Artículo
Steam-enhanced calcium-looping performance of limestone for thermochemical energy storage: The role of particle size
(Elsevier, 2022)
Steam injection has been proposed to attenuate the decay of CaO reactivity during calcium looping (CaL) under operating conditions compatible with carbon capture and storage. However, it is yet unknown whether the perceived ...
Artículo
The Ammonia Looping System for Mid-Temperature Thermochemical Energy Storage
(AIDIC, 2018)
Thermochemical reactions have a great potential for energy storage and transport. Their application to solar energy is of utmost interest because the possibility of reaching high energy densities and seasonal storage capacity. ...
Artículo
Looking for Self-Organized Critical Behavior in Avalanches of Slightly Cohesive Powders
(American Physical Society, 2001)
We report results from a statistical analysis of avalanches of cohesive powders in a slowly rotated drum. Interparticle adhesion, which diminishes the effect of inertia and whose magnitude strongly fluctuates in a local ...
Artículo
Electromechanics of fluidized beds of nanoparticles
(American Physical Society, 2009)
The electromechanical behavior of a gas-fluidized bed of insulating silica nanoparticles is investigated. When fluidized by gas, these nanoparticles form highly porous agglomerates of size of the order of hundreds of ...