Adsorption study of 4-nitrophenol from aqueous solution on activated carbon with nitrogen heteroatoms on its surface: application of the sips model

Autor: Ana María Carvajal Bernal, Fernando Augusto Gomez Granados, Liliana Giraldo Gutiérrez, Juan Carlos Moreno Piraján

Publikováno v: Revista Colombiana de Química, Vol 47, Iss 1, Pp 27-33 (2018)

The amination of a nitric acid pre-oxidized activated carbon in the adsorption of 4-nitrophenol was evaluated. The Sips model application to the aqueous solution adsorption data, using Sigmoidal Logistic 3 Parameter formula, in the SigmaPlot 12 progr

Externí odkaz: https://doaj.org/article/9b8d37d19cf14b109e8bc032fea0fdf2

A Study of the Interactions of Activated Carbon-Phenol in Aqueous Solution Using the Determination of Immersion Enthalpy

Autor: Ana María Carvajal-Bernal, Fernando Gómez-Granados, Liliana Giraldo, Juan Carlos Moreno-Piraján

Publikováno v: Applied Sciences, Vol 8, Iss 6, p 843 (2018)

In this study, the amount of phenol adsorbed between 0 and 10 mmol∙L−1 during an immersion calorimetric experiment is compared with the adsorption that takes place once phenol adsorption reaches the solid–solution equilibrium. The activated car

Externí odkaz: https://doaj.org/article/941287b60082408fbd631f935e982c98

Impact of the COVID‐19 pandemic during Spain's state of emergency on the diagnosis of colorectal cancer

Autor: Elena Mata, Ana María Carvajal Guerra, Fernando Arias, María Ederra, Beñat Arín, Gloria Jiménez, Asunción Sanz, Javier Suárez, Ruth Vera, Eugenia Ursúa, Marta Montes, Miguel Ciga, Matilde Laiglesia

Publikováno v: Journal of Surgical Oncology

Introduction We evaluate the impact of COVID-epidemic in colorectal cancer (CRC) diagnosis during Spain's state of emergency. Methods We compared newly diagnosed patients with patients diagnosed in the same period of 2019. Results A new diagnosis of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::42215e3a2d451d2da3db74b05a340a54
https://doi.org/10.1002/jso.26263

Management Models Applied to the Human-Wolf Conflict in Agro-Forestry-Pastoral Territories of Two Italian Protected Areas and One Spanish Game Area

Autor: Jesús Palacios Alberti, Tomas Yanes García, Luigi Esposito, Vicente González Eguren, Erminia Scioli, Leonardo Gentile, Ana María Carvajal Urueña, Nadia Piscopo

Publikováno v: Animals
Volume 11
Issue 4
Animals, Vol 11, Iss 1141, p 1141 (2021)
Animals : an Open Access Journal from MDPI

Simple Summary Conservation practices in the nature of some animal species are very difficult when they are in conflict with anthropogenic activities. In order to make possible the coexistence of a predator such as the wolf with animal breeding activ

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b5ad8e6271da8279950ee5058f7c8cd4

Adsorption study of 4-nitrophenol from aqueous solution on activated carbon with nitrogen heteroatoms on its surface: application of the Sips Model

Autor: Fernando Gómez, Liliana Giraldo, Ana María Carvajal-Bernal, Juan Carlos Moreno-Piraján

Publikováno v: Revista Colombiana de Química, Volume: 47, Issue: 1, Pages: 27-33, Published: APR 2018
Repositorio UN
Universidad Nacional de Colombia
instacron:Universidad Nacional de Colombia

Resumen Se evaluó la aminación de un carbón activado preoxidado con ácido nítrico en la adsorción de 4-nitrofenol. Se aplicó el modelo de Sips a la adsorción desde solución acuosa, utilizando Sigmoidal Logistic 3 Parameter del programa Sigma

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a4e24d8669733e9b9e21972aa835541c
https://doi.org/10.15446/rev.colomb.quim.v47n1.64561