[EN] This study presents the use of olive-stone biomass ash (OBA) as an alkali source in alkali-activated materials (AAM) based on blast furnace slag (BFS). The OBA was physically and chemically characterized. It presented ...
Mas, María Antonia; Mitsuuchi Tashima, Mauro; Paya Bernabeu, Jorge Juan; Borrachero Rosado, María Victoria; Soriano Martínez, Lourdes; Monzó Balbuena, José Mª(Trans Tech Publications, 2016)
Nowadays, scientific community is looking for alternatives to reduce the problem of CO2
emissions, making more sustainable binders and reusing wastes from other industries.
In this line, the technology of geopolymers was ...
Paya Bernabeu, Jorge Juan; Borrachero Rosado, María Victoria; Monzó Balbuena, José Mª; Soriano Martínez, Lourdes; Mitsuuchi Tashima, Mauro(Elsevier, 2012-05)
This paper evaluates the use of hydrated Portland cement as the raw material in the production of geopolymers. The silicon and aluminium oxides needed for the geopolymerization process were produced by the carbonation of ...
Mellado Romero, Ana María; Martín-Rodríguez, J.; Borrachero Rosado, María Victoria; Soriano Martinez, Lourdes; Monzó Balbuena, José Mª; Paya Bernabeu, Jorge Juan(Elsevier, 2024-01-12)
[EN] The durability of new binders in construction is one of the keys for further applications. The acid attack resistance of alkali-activated mortars (AAMs) was tested. A test proposal was developed, and the selected AAMs ...
Bouzón Orgeira, Noelia(Universitat Politècnica de València, 2015-09-01)
[EN] Unquestionably, the industry of Portland cement is in the midst of a major identity crisis because its manufacture is incompatible with the improvement of sustainable development, due to the large volumes of CO2 ...
Font-Pérez, Alba; Borrachero Rosado, María Victoria; Soriano Martinez, Lourdes; Monzó Balbuena, José Mª; Paya Bernabeu, Jorge Juan(American Society of Civil Engineers, 2021-05-01)
[EN] Cellular concrete is an alternative to conventional concrete as a low-density and high-insulating building material. The eco-cellular
concretes (ECCs) based on geopolymer technology have been recently introduced by ...
Reuse of industrial and agricultural wastes as supplementary cementitious materials (SCMs) in concrete and mortar productions contribute to sustainable development. In this context, fluid catalytic cracking catalyst residue ...
Mitsuuchi Tashima, Mauro; Soriano Martínez, Lourdes; Borrachero Rosado, María Victoria; Monzó Balbuena, José Mª; Cheeseman, C. R.; Paya Bernabeu, Jorge Juan(Taylor & Francis, 2012-09)
The properties and microstructure of alkali-activated (AA) vitreous calcium aluminosilicate (VCAS) are presented in this paper. VCAS is manufactured from a by-product of the glass fiber industry and has been activated using ...
Ceramic materials represent around 45 % of construction and demolition waste, and originate not only from the building process, but also as rejected bricks and tiles from industry. Despite the fact that these wastes are ...
Soriano Martinez, Lourdes; Font, Alba; Tashima, Mauro M.; Monzó Balbuena, José Mª; Borrachero Rosado, María Victoria; Bonifacio, Thais; Paya Bernabeu, Jorge Juan(Elsevier, 2021-07-05)
[EN] The use of almond-shell biomass ash (ABA) as an alternative component to the commercial reagents used in the activation of blast furnace slag (BFS) systems is investigated. The presence in its chemical composition of ...
[EN] Arundo donax is a plant native to Asia and is considered an invader species in the Mediterranean region and many tropical zones in the world. These invader plants can be collected to produce a biomass, which can be ...
Velázquez Rodríguez, Sergio; Monzó Balbuena, José Mª; Borrachero Rosado, María Victoria; Paya Bernabeu, Jorge Juan(MDPI, 2014-03)
[EN] The pozzolanic activity of the spent catalyst produced by fluid catalytic cracking (FCC) has been studied by various methods in recent years. However, no quick and easy method has been reported for this activity based ...
Velázquez Rodríguez, Sergio; Monzó Balbuena, José Mª; Borrachero Rosado, María Victoria; Paya Bernabeu, Jorge Juan(MDPI, 2014-11)
[EN] The use of methods based on measuring electrical conductivity to assess pozzolanic activity has recently been used primarily in aqueous suspensions of pozzolan: calcium hydroxide. However, the use of similar methods ...
Moraes, J. C. B; Akasaki, Jorge Luis; Melges, J. L. P.; Monzó Balbuena, José Mª; Borrachero Rosado, María Victoria; Soriano Martínez, Lourdes; Paya Bernabeu, Jorge Juan; Tashima, Mauro Mitsuuchi(Elsevier, 2015-09)
The aim of this paper is to assess the pozzolanic reactivity of sugar cane straw ash (SCSA) obtained through an auto-combustion process and the mechanical properties of SCSA-containing systems. Characterization of SCSA ...
Mitsuuchi Tashima, Mauro; Soriano Martínez, Lourdes; Paya Bernabeu, Jorge Juan; Monzó Balbuena, José Mª; Borrachero Rosado, María Victoria(Elsevier, 2016-04)
[EN] The aim of this paper is to assess the possibility of using vitreous calcium aluminosilicate (VCAS) as a supplementary cementitious material in the production of Portland cement mortars. The calcium hydroxide consumption ...
[EN] Agricultural waste availability implies the possibility of recovering energy as biomass. The collateral effect is the production of ashes that, in some cases, have the potential to be reused in the manufacture of ...
Soriano Martinez, Lourdes; Font, A.; Borrachero Rosado, María Victoria; Monzó Balbuena, José Mª; Paya Bernabeu, Jorge Juan; Tashima, M. M.(Elsevier, 2022-02-01)
[EN] In the last decade, herbaceous and agricultural biomass have been used as an alternative energy source. As consequence, large amounts of residual ashes containing potassium (potassium-rich ashes) have been generated. ...
Nazer, Amin; Paya Bernabeu, Jorge Juan; Borrachero Rosado, María Victoria; Monzó Balbuena, José Mª(Consejo Superior de Investigaciones Científicas (CSIC), 2016)
El objetivo de este trabajo es caracterizar 4 escorias de fundiciones de cobre del siglo XIX, procedentes de vertederos abandonados en la Región de Atacama - Chile, utilizando las técnicas de fluorescencia de rayos X (FRX), ...
Sierra Acuña, Óscar Mauricio(Universitat Politècnica de València, 2016-12-14)
[EN]
Volcanic pozzolans are constituted in general by vitreous material that usually is rich in SiO2 and Al2O3, which reacts with portlandite produced during cement hydration to give hydrated silicates and calcium ...
Escalera Cruz, Alejandro(Universitat Politècnica de València, 2013-06-26)
[ES] Desde hace unos años a través de múltiples investigaciones, es sabido que el contenido en sílice de las cenizas procedentes de la combustión de residuos agrícolas, dependiendo del proceso de combustión, puede tener ...