Výsledky vyhledávání - "L. Díaz‐Ballote"

AN APPROACH BASED ON ELECTROCHEMICAL IMPEDANCE SPECTROSCOPY TO STUDY THE GLYCEROL/BIODIESEL GRAVITY SEPARATION

Autor: Karen Gómez-Hernández, L. Díaz-Ballote, Luis Maldonado-López, Rodrigo Patiño

Publikováno v: Química Nova v.43 n.10 2020
Química Nova
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Química Nova, Vol 43, Iss 10, Pp 1416-1420 (2021)

In this study, electrochemical impedance spectroscopy (EIS) is evaluated as a novel application in the biodiesel purification process. EIS is proposed as a tool to study the behavior of charge carriers produced from side reactions or dissociations of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::54907752baa54f818f9765713febca19
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422020001001416

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Electrochemical impedance: A new alternative to assess the soap removal from biodiesel in the washing process

Autor: L. Maldonado, T. Vega-Lizama, L. Díaz-Ballote, J. Genesca, E.R. Hoil-Canul

Publikováno v: Fuel. 265:116880

An impedance- based sensor was built with stainless steel circular plates (7.0 cm2) to evaluate the soap limit for both biodiesels produced from commercial soybean oil and from waste cooking oil. Conversion of soybean oil to biodiesel was achieved wi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::65b438aad37f509fe176bc20bfec7b5c
https://doi.org/10.1016/j.fuel.2019.116880

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THERMOGRAVIMETRIC APPROACH FOR ASSESSING THE OXIDATION LEVEL OF A BIODIESEL SAMPLE

Autor: Karen Gómez-Hernández, Elsy T. Vega-Lizama, L. Maldonado, Miguel A. Ruiz-Gómez, L. Díaz-Ballote, Emanuel Hernández

Publikováno v: Química Nova v.41 n.5 2018
Química Nova
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Química Nova, Vol 41, Iss 5, Pp 492-496
Química Nova, Volume: 41, Issue: 5, Pages: 492-496, Published: MAY 2018

Biodiesel, unlike diesel, is highly susceptible to autoxidation. This autoxidation is a major concern for a biodiesel producer. Various methods have been developed to estimate the degree of oxidative stability of biodiesel. These methods are useful t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c572f3184708815803ac276e9f18a79a
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422018000500492

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Thermogravimetric analysis as a rapid and simple method to determine the degradation degree of soy biodiesel

Autor: L. Díaz-Ballote, T. Vega-Lizama, E. Hernández-Mézquita, L. Maldonado, F. May-Crespo, A. Castillo-Atoche, Gerardo González-García, P. Castro-Borges

Publikováno v: Fuel. 156:158-162

This work describes the use of the residual mass observed in a thermal decomposition curve for a soy biodiesel sample as a measure of its degradation degree. The difference in thermal stability between esters and oxidation products is the key point t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0da6ac10f24267766534555cb136784c
https://doi.org/10.1016/j.fuel.2015.04.047

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Bond between galvanized steel and concrete prepared with limestone aggregates

Autor: L. Maldonado, Omán Quiroz‐Zavala, L. Díaz-Ballote

Publikováno v: Anti-Corrosion Methods and Materials. 57:305-313

PurposeThe purpose of this paper is to elucidate if there is a loss in bond strength between galvanized steel used as reinforcement, and concrete of water‐to‐cement (w/c) ratio of 0.4 and 0.5, after both types of sample were cured for seven, 21 a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2f9c982769b528d94aa41aedbb9fef34
https://doi.org/10.1108/00035591011087163

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Characterization of limestones for building in the Yucatan Peninsula, Mexico

Autor: L. Maldonado, L. Veleva, L. Díaz-Ballote

Publikováno v: Applied Physics A. 103:1105-1110

The environmental degradation of red and white limestone exposed to a rural tropical atmosphere of the Yucatan Peninsula in Mexico was characterized during seven years using gravimetric measurements, SEM, EDX and X-ray diffraction techniques. The res

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6dce3fb75becf7068e24a2ccf6ab891e
https://doi.org/10.1007/s00339-010-6049-6

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