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Rodrigo Ortega-Toro, Ángel Villabona-Ortíz, Candelaria Tejada-Tovar, Adriana Herrera-Barros and Daniela Cabrales-Sanjuan
Chemically modified bioadsorbents were prepared using sawdust (Aspidosperma polyneuron) functionalized with urea at different concentrations (BC-1M, BC-3M, and BC-6M) to evaluate their adsorption capacity by the methylene blue method. Fourier transform s...
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José V. Pastor, Carlos Micó, Felipe Lewiski, Francisco J. Tejada and Cinzia Tornatore
Synthetic fuels significantly reduce pollutant emissions and the carbon footprint of ICE applications. Among these fuels, oxymethylene dimethyl ethers (OMEX) are an excellent candidate to entirely or partially replace conventional fuels in compression ig...
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Candelaria Tejada-Tovar, Ángel Villabona-Ortíz and Rodrigo Ortega-Toro
The pollution of water bodies due to the discharge of effluents without treatment is a global problem. Therefore, different technologies have been implemented for the removal of contaminants from wastewater before the final disposition. Among them, adsor...
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Carlos M. Chang, Gianine Tejada Salinas, Teresa Salinas Gamero, Stella Schroeder, Mario A. Vélez Canchanya and Syeda Lamiya Mahnaz
Over the next decades, people will continue moving to urban areas all over the world, increasing infrastructure needs to satisfy economic, environmental, and social demands. The connection between civil urban infrastructure and smart cities is strong due...
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Candelaria Tejada-Tovar, Ángel Villabona-Ortíz, Ángel Darío González-Delgado, Adriana Herrera-Barros and Rodrigo Ortega-Toro
Water treatment alternatives such as adsorption using agricultural residues are currently being studied to eliminate pollutants that cause eutrophication in water bodies, avoiding the alteration of aquatic ecosystems. In this work, two bio-adsorbents wer...
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Marcello Cerrato, Pere M. Mir-Rosselló, Pere Ferriol, Lorenzo Gil, Margalida Monserrat-Mesquida, Silvia Tejada, Samuel Pinya and Antoni Sureda
The western Mediterranean Sea is one of the most affected areas by the introduction of alien seaweed. Penicillus capitatus Lam. and the recently introduced Halimeda incrassata (J.Ellis) J.V.Lamour are tropical algae that invade native algae assemblies in...
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Angel Villabona-Ortíz, Rodrigo Ortega-Toro and Candelaria Tejada-Tovar
Surface modification can improve the adsorption capacity of biochar. Biochar was produced from corn stalks (Zea mays) by pyrolysis at 520 °C, activated with sulfuric acid (H2SO4) using impregnation ratios of biomass weight: volume 1:2 (B 1:2) and 1:3 (B ...
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Candelaria Tejada-Tovar, Ángel Villabona-Ortíz and Ángel Darío Gonzalez-Delgado
The effect of adsorbent dose and initial concentration on removing the azo-anionic dyes Congo Red andtartrazine present in a synthetic aqueous solution was studied using natural cellulose (CC) and modified cationic cellulose (MCC) from coconut mesocarp. ...
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Fiorella Sánchez Tejada,Ricardo Tendero Caballero
Pág. 41 - 50
Due to the need to generate and obtain comfortable buildings, this work studies a building built approximately in the year 1630 located in the city of Ayacucho, in the Peruvian Mountain Range which architecture responds to a vernacular style; in order to...
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José Fernández Castillo,Juán López-Asiaín Martínez,Helena Granados Menéndez,Alejandro Payán de Tejada Alonso
Pág. 22 - 28
Es objetivo de la Unión Europea y de todos sus estados miembros, potenciar la economía circular en todos los sectores. En 2015, la Comi-sión Europea adoptó un plan de acción para contribuir a la transición hacia una economía circular, estableciendo 54 me...
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