RiuNet UPV Home
:
Browsing by Author

Search RiuNet

Browse

All of RiuNet

My Account

RiuNet Help

Admin. UPV

Browsing by Author "Akasaki, Jorge Luis"

Now showing items 21-37 of 37

New method to assess teh pozzolanic reactivity of mineral admixtures by measn of pH and electrical conductivity measurements in lime: pozzolan suspensions

Mitsuuchi Tashima, Mauro; Soriano Martínez, Lourdes; Monzó Balbuena, José Mª; Borrachero Rosado, María Victoria; Akasaki, Jorge Luis; Paya Bernabeu, Jorge Juan (Consejo Superior de Investigaciones Científicas (CSIC), 2014-09)

A very simple method based on electrical conductivity and pH measurements was proposed for assessing reactivity of pozzolans. Calcium hydroxide:pozzolan water suspensions were monitored by means of measurements of electrical ...
New use of sugar cane straw ash in alkali-activated materials: a silica source for the prparation of alkaline activator

Moraes, J.C.B; Font-Pérez, Alba; Soriano Martinez, Lourdes; Akasaki, J.L.; Tashima, M.M.; Monzó Balbuena, José Mª; Borrachero Rosado, María Victoria; Paya Bernabeu, Jorge Juan (Elsevier, 2018-05-20)

[EN] Alkali silicates, expensive and highly pollutant chemical reagents, are required to produce the alkaline activator for high-performance alkali-activated materials. This study presents a new silica source for producing ...
Optimum use of sugar cane straw ash (SCSA) in alkali-activated binders based on blast furnace slag (BFS)

Moraes, J.C.B; Tashima, M.M.; Melges, J.L.P.; Akasaki, J.L.; Monzó Balbuena, José Mª; Borrachero Rosado, María Victoria; Soriano Martinez, Lourdes; Paya Bernabeu, Jorge Juan (American Society of Civil Engineers, 2018-06)

[EN] Alkali-activated binders (AABs) are a material obtained from the combination of a solid precursor and an alkaline activating solution. In this study, one solid precursor used was blast-furnace slag (BFS) and the other ...
Performance of mortars produced with the incorporation of sugar cane bagasse ash

Macedo, P.C.; Pereira, A.M.; Akasaki, Jorge Luis; Fioriti, César Fabiano; Paya Bernabeu, Jorge Juan; Pinheiro Melges, Jose Luis (2014)

[ES] Este trabajo presenta la factibilidad técnica de utilización de cenizas resultantes del proceso de la quema de bagazo de caña de azúcar, para la generación de energía como adición mineral en morteros. Se realizaron ...
Possibilities of reusing sugar cane straw ash in the production of alternative binders

Bassan De Moraes, Joao Claudio; Queiroz, Daniela Cintra de Araújo; Akasaki, Jorge Luis; Pinheiro Melges, Jose Luiz; Borrachero Rosado, María Victoria; Paya Bernabeu, Jorge Juan; Mitsuuchi Tashima, Mauro (Trans Tech Publications, 2016)

[EN] Sugar cane production is increasing in Brazil due the demand in manufacturing sugar and alcohol. During production process, several wastes are generated, such as sugar cane straw. After a burning process of this waste ...
Pozzolanic reactivity studies on a miomass-derived waste from sugar cane production: sugar cane straw ash (SCSA)

Moraes, J.C.B; Melges, J. L. P.; Akasaki, Jorge Luis; Tashima, M. M.; Soriano Martínez, Lourdes; Monzó Balbuena, José Mª; Borrachero Rosado, María Victoria; Paya Bernabeu, Jorge Juan (American Chemical Society, 2016-06)

Biomass has gained in importance as an energy source in recent years. One of the crops that presents interesting opportunities with regard to biomass is sugar cane. In Brazil, sugar cane production is increasing for alcohol ...
Preliminary estudies on the use of sugar cane bagasse ash (SCBA) in the manufacture of alkali activated binders

Castaldelli, V.N.; Mitsuuchi Tashima, Mauro; Melges, J.L.; Akasaki, Jorge Luis; Monzó Balbuena, José Mª; Borrachero Rosado, María Victoria; Soriano Martínez, Lourdes; Paya Bernabeu, Jorge Juan (Trans Tech Publications, 2014)

Alkali activated binders require the addition of a mineral-rich amorphous silica and alumina. This paper proposes the use of a mineral residue from the burning of sugar cane bagasse. The alkali activated mixtures were ...
Production of bamboo leaf ash by auto-combustion for pozzolanic and sustainable use in cementitious matrices

Moraes, M.J.B.; Moraes, J.C.B.; Tashima, M.M.; Akasaki, J.L.; Soriano Martinez, Lourdes; Borrachero Rosado, María Victoria; Paya Bernabeu, Jorge Juan (Elsevier, 2019-05-30)

[EN] In the context of world concern with the environment, this study aims to characterize an auto combustion produced bamboo leaf ash (BLA) by its pozzolanic behaviour, reactivity and its influence in the total porosity, ...
Rice straw ash: A potential pozzolanic supplementary material for cementing systems

Rosello Caselles, Josefa; Soriano Martínez, Lourdes; Santamarina Siurana, Mª Pilar; Akasaki, Jorge Luis; Monzó Balbuena, José Mª; Paya Bernabeu, Jorge Juan (Elsevier, 2017)

[EN] Biomass waste from rice straw has many management problems, including field firing causing severe air pollution and natural organic decomposition resulting in methane emission. The conversion of this waste to ashes ...
Spent FCC catalyst for preparing alkali-activated binders: an opportunity for a high-degree valorization

Mitsuuchi Tashima, Mauro; Soriano Martínez, Lourdes; Akasaki, Jorge Luis; Castaldelli, V.N.; Monzó Balbuena, José Mª; Paya Bernabeu, Jorge Juan; Borrachero Rosado, María Victoria (Trans Tech Publications, 2014)

Spent FCC catalyst is a waste from the petrochemical industry which has excellent pozzolanic properties, containing more than 90% silica and alumina. Its similarity to metakaolin creates interesting prospects for its use ...
Study of pozzolanic properties of two sugarcane bagasse ash samples from Honduras

Bonilla Salvador, María Mercedes; Borrachero Rosado, María Victoria; Monzó Balbuena, José Mª; Akasaki, Jorge Luis; Ma-Tay, Daniel; Paya Bernabeu, Jorge Juan (Trans Tech Publications, 2016)

[EN] It is well known that the combustion of agricultural waste such as rice husk, bamboo leaf and bagasse among others, depending on the combustion process, may produce powders with pozzolanic properties. Two samples of ...
Study of the binary system fly ash/sugarcane bagasse ash (FA/SCBA) in SiO2/K2O alkali-activated binders

CASTALDELLI, V.N.; Moraes, J.C.B; Akasaki, Jorge Luis; Pinheiro Melges, Jose Luis; Monzó Balbuena, José Mª; Borrachero Rosado, María Victoria; Soriano Martínez, Lourdes; Paya Bernabeu, Jorge Juan; Mitsuuchi Tashima, Mauro (Elsevier, 2016-06)

Due environmental problems related to Portland cement consumption, many studies have been performed to diminish its use. One solution is the development of alkali-activated binders, which can decrease CO2 emissions and ...
Use of slag/sugar cane bagasse ash (SCBA) blends in the production of Alkali-activated materials

Castaldelli, V.N.; Akasaki, Jorge Luis; Melges, J.L.P.; Tashima, Mauro Mitsuuchi; Soriano Martínez, Lourdes; Borrachero Rosado, María Victoria; Monzó Balbuena, José Mª; Paya Bernabeu, Jorge Juan (MDPI, 2013)

Blast furnace slag (BFS)/sugar cane bagasse ash (SCBA) blends were assessed for the production of alkali-activated pastes and mortars. SCBA was collected from a lagoon in which wastes from a sugar cane industry were poured. ...
Utilização de resíduos de borracha de pneu na fabricação de tubos de concreto

Queiroz, Rodolfo Mori; Trentin, Thiago Francisco Silva; Fugii, Ana Paula; Mitsuuchi Tashima, Mauro; Pinheiro Melges, Jose Luiz; Akasaki, Jorge Luis; Paya Bernabeu, Jorge Juan (2014)

[EN] The concrete pipes are usually used in systems of drainage, of sewage collection and of potable water supply. In relation to the concern of sustainability in the process of manufacturing concrete pipes, the addition ...
Utillizacion de la ceniza de paja de caña de azúcar (CPC) como puzolana en sustituciones parciales del cemento portland

Moraes, J.C.B.; Akasaki, J.L.; Tashima, M.M.; Soriano Martinez, Lourdes; Borrachero Rosado, María Victoria; Paya Bernabeu, Jorge Juan (Asociación Española de Materiales Compuestos, 2018-01-16)

[ES] La producción de caña de azúcar en Brasil ha aumentado considerablemente en los últimos 10 años. Después del proceso de cosecha mecanizada, se genera un residuo llamado paja de caña de azúcar. Esta paja tiene un buen ...
Valorization of sugarcane bagasse ash (SCBA) with high quartz content as pozzolanic material in portland cement mixtures

Pereira, A.M.; Moraes, J.C.B; Bassan de Moraes, M.J.B.; Akasaki, J.L.; Tashima, M.M.; Soriano Martinez, Lourdes; Monzó Balbuena, José Mª; Paya Bernabeu, Jorge Juan (Departmento de Publicaciones del CSIC, 2018-04)

[EN] Portland cement (OPC) production is one of the most contaminating greenhouse gas producing activities. In order to reduce OPC consumption, several alternatives are being assessed, and the use of pozzolanic material ...
Variables involved in the planting of rice in the rice husk

Akasaki, Jorge Luis; Silva, E.J.; Sousa, L.C.; Melges, J.L.P.; Mitsuuchi Tashima, Mauro; Paya Bernabeu, Jorge Juan (Trans Tech Publications Ltd., 2012)

Rice production in Brazil in 2010 was approximately 12,2 million tons, and to reach that amount several planting techniques were used with different strains of rice in different rice-growing areas. Since Rice Husk Ash (RHA) ...