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Mostrando ítems 1-10 de 31
Artículo
Development of Geopolymer Mortars Using Air-Cooled Blast Furnace Slag and Biomass Bottom Ashes as Fine Aggregates
(MDPI, 2023)
The aim of this study is to compare the mechanical and physical properties of different geopolymer mortars made with granulated blast furnace slag as a geopolymer source material, NaOH (8 M) as the activating solution, ...
Artículo
Immobilization of heavy metals (Cd, Ni or Pb) using aluminate geopolymers
(Elsevier, 2018-09)
In the present study, a waste aluminate solution from the anodizing industry was used to synthesize coal fly ash- and blast furnace slag-based geopolymers as metal-immobilizing matrixes. Different alkali-activating agents ...
Artículo
A porous geopolymer based on aluminum-waste with acoustic properties
(Elsevier, 2019-07)
Paval, a solid waste stream from the aluminum industry, is used as a pore generation agent in geopolymers. Paval was mixed with coal combustion fly ash, as a geopolymeric precursor, and activated with alkaline solution ...
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Environmental risks and mechanical evaluation of recycling red mud in bricks
(Elsevier, 2020-07)
More and more by-products are being used in certain materials, especially in the construction industry. Natural construction materials contain amounts of heavy metals and radionuclides, but when by-products are used in ...
Artículo
Evaluación continua con Goodle-GMS a más de 800 alumnos en Ingeniería Química
(Universitat de València, 2014)
El objetivo de esta experiencia ha sido la de establecer un sistema de evaluación continua en asignaturas con gran cantidad de alumnos de forma que no supongan un excesivo trabajo para el docente, que permita generar una ...
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Properties of fly ash and metakaolín based geopolymer panels under fire resistance tests
(Consejo Superior de Investigaciones Científicas (CSIC), 2015)
This paper presents the results of a study about the effect of fire on geopolymer paste composed of fly ashes, metakaolin and sodium silicate. 2 cm thick, 28 cm high and 18 cm wide panels were filled with the paste obtained. ...
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Minimización del impacto ambiental en la ejecución de fachadas mediante el empleo de materiales reciclados
(2013)
Nuevos materiales de construcción reciclados, desarrollados por los autores entre otros, han sido propuestos para minimizar el impacto ambiental y económico de las fachadas. Para medir dicha minimización se ha empleado un ...
Artículo
Recycling Bio-BasedWastes into Road-Base Binder: Mechanical, Leaching, and Radiological Implications
(MDPI, 2023-01)
This work presents a physical, mechanical, durability, leaching, and radiological assay of three wastes (egg and scallop shells and olive pomace ash) as road-base binders. Two different waste/Portland-cement ratios (7.5/92.5 ...