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Mostrando ítems 21-30 de 40
Artículo
Physical, Mechanical and Radiological Characteristics of a Fly Ash Geopolymer Incorporating Titanium Dioxide Waste as Passive Fire Insulating Material in Steel Structures
(MDPI, 2022-12)
This research analyzes whether a titanium dioxide waste (TiO2 waste) can be used as a source material for geopolymers with good fire resistance properties. Samples with differ ent proportions were prepared, replacing fly ...
Artículo
Low environmental impact process for germanium recovery from an industrial residue
(Elsevier, 2018-11)
This paper focused on the germanium recovery from an Integrated Gasification with Combined Cycle fly ash (IGCC FA). The global process comprised the leaching of the IGCC fly ash with an aqueous solution containing tartaric ...
Artículo
Utilization of Boiler Slag from Pulverized-Coal-Combustion Power Plants in China for Manufacturing Acoustic Materials
(MDPI AG, 2020)
The potential utilization of boiler slag generated in large amounts from pulverized-coalcombustion (PCC) power plants has recently drawn much attention due to the serious problems caused to ecosystems. In order to make ...
Patente. Invención
Obtención de materiales resistentes al fuego a partir de residuos procedentes de la industria conservera
(Oficina Española de Patentes y Marcas (OEPM), 2011-10-11)
Obtención de materiales resistentes al fuego a partir de residuos procedentes de la industria conservera. La invención se refiere a la obtención de productos con alta capacidad de resistencia al fuego empleando ...
Artículo
Development of fly ash-based geopolymers using powder sodium silicate activator
(Elsevier, 2022-08)
Geopolymer manufacturing by means a ready-mix procedure using powder sodium silicate as activator is described in this paper. Its characteristics are compared with conventional geopolymers using aqueous sodium silicate. ...
Artículo
Analysis of the mechanical and fracture behavior of heated ultra-high-performance fiber-reinforced concrete by X-ray computed tomography
(Elsevier, 2019-05)
This work analyzes the effects of temperature (300 °C) on mechanical and fracture behavior of an ultra-high-performance steel-fiber-reinforced concrete. The deterioration of the pore structure due to thermal damage of the ...
Artículo
Fly ash based geopolymeric foams using silica fume as pore generation agent. Physical, mechanical and acoustic properties
(Elsevier, 2018-11)
The aim of this work is the development of a porous geopolymeric foam with sound absorbing properties using silica fume as the pore generation agent. The samples were manufactured using a coal combustion fly ash as source ...
Artículo
Valorization of Bayer Red Mud in a Circular Economy Process: Valuable Metals Recovery and Further Brick Manufacture
(MDPI, 2022)
In this work, the recovery of valuable metals from Bayer red mud using hydrometallurgical techniques and the subsequent use of the solid remaining after leaching as the principal component of the fired bricks were analyzed. ...
Artículo
Analysis of the tensile fracture properties of ultra-high-strength fiber-reinforced concrete with different types of steel fibers by X-ray tomography
(Elsevier Ltd, 2019-03)
This study is concerned with the analysis of the tensile properties of an ultra-high-strength fiber-reinforced concrete manufactured with short and long steel fibers. The analysis involve using different techniques - from ...
Artículo
Influencia del tiempo de exposición a altas temperaturas en el comportamiento en fractura de hormigones autocompactantes reforzados con fibras
(2008)
En el presente trabajo se analiza la influencia del tiempo de exposición a altas temperaturas sobre el comportamiento mecánico, en especial en fractura, de hormigones autocompactantes de alta resistencia con y sin refuerzo ...