Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Ángel Villabona Ortíz"'
Publikováno v:
Inge-Cuc, Vol 16, Iss 1, Pp 22-34 (2020)
Introducción: Entre los metales pesados descargados en fuentes hídricas se encuentran el Cromo (VI) y el Níquel (II), los cuales causan efectos peligrosos a la salud. Objetivo: Optimizar el efecto de la concentración inicial de contaminante, t
Externí odkaz:
https://doaj.org/article/fbe0b75b980f414d9a4b40339fa6e277
Publikováno v:
Informador Técnico, Vol 78, Iss 1, Pp 45-54 (2014)
La formación en pregrado por ciclos propedéuticos, se ha convertido en una nueva directriz de la política educativa en Colombia. Se presenta el diseño de un sistema que permitió articular eficientemente el programa, tecnólogo de operaciones de
Externí odkaz:
https://doaj.org/article/e7771a48d1d24cd48369130ee5567787
Publikováno v:
Polymers, Vol 16, Iss 20, p 2913 (2024)
Biodegradable films are sustainable alternatives to conventional plastics, particularly in food preservation, where the barrier and mechanical properties are crucial for maintaining the physicochemical, microbiological, and sensory qualities of the p
Externí odkaz:
https://doaj.org/article/33aa8f78c9884122b068f5f5adf0a5d4
Biocomposite Based on Polyhydroxybutyrate and Cellulose Acetate for the Adsorption of Methylene Blue
Publikováno v:
Journal of Composites Science, Vol 8, Iss 7, p 234 (2024)
Industrialization and globalization have caused severe environmental problems, such as contaminating water bodies by toxic agents from various industries, generating a significant loss of biodiversity and health risks. Globally, approximately 80% of
Externí odkaz:
https://doaj.org/article/c2021bd7577a41f9963b81c449dab1aa
Autor:
Rodrigo Ortega-Toro, Ángel Villabona-Ortíz, Candelaria Tejada-Tovar, Adriana Herrera-Barros, Daniela Cabrales-Sanjuan
Publikováno v:
Water, Vol 15, Iss 21, p 3868 (2023)
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 transfo
Externí odkaz:
https://doaj.org/article/c785365dba7c41c290337b7ff81ac8d6
Autor:
Candelaria Tejada-Tovar, Ángel Villabona-Ortíz, Ángel Darío González-Delgado, Adriana Herrera-Barros, Rodrigo Ortega-Toro
Publikováno v:
Water; Volume 15; Issue 7; Pages: 1420
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
Publikováno v:
DESALINATION AND WATER TREATMENT. 274:194-205
Publikováno v:
Tecnura, Vol 25, Iss 68, Pp 28-42 (2021)
Context: The contamination of water sources by the discharge of effluents contaminated with chromium (VI) is a current environmental problem because it is a toxic pollutant for humans, animals, plants, and microorganisms; it can be carcinogenic and h
Externí odkaz:
https://doaj.org/article/77f972101b8b48468c6f4f37d7e0460b
Publikováno v:
Ingeniería e Investigación, Vol 40, Iss 3, Pp 22-28 (2020)
The effect of temperature on the adsorption of Cr (VI) was determined with waste materials from the agroindustry, such as palm bagasse and plantain peels, by determining the thermodynamic parameters which allow to establish the mechanisms that contro
Externí odkaz:
https://doaj.org/article/f47c1bb149444e6db35919fad8bc2049
Publikováno v:
Prospectiva, Vol 18, Iss 1 (2020)
El uso de residuos agroindustriales como materiales biosorbentes en procesos de adsorción ofrece altas eficiencias debido a sus características. Se estudió la adsorción de Ni (II) en solución usando residuos agroindustriales del proceso de obten
Externí odkaz:
https://doaj.org/article/5d3e2ed3b83c4b6f8288674b89195bad