Browsing División de Ciencias Ambientales by Subject "QUÍMICA"
Now showing items 1-20 of 22
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Activación y caracterización de materiales nanoestructurados (CNx y CST): remoción de cadmio.
(2007)"En esta investigación se modificaron nanotubos de carbono tipo bambú (CNx), y nanofibras cónicas de carbono (CST) con ácido nítrico a 85° C, de una a tres horas, así como con aire a alta temperatura (~400°C) en un ... -
Biorecovery of Metals from a Stainless Steel Industrial Effluent through Denitrification Performed in a Novel Anaerobic Swirling Fluidized Membrane Bioreactor (ASFMBR)
(American Chemical Society, 2020)"A novel technology was developed for the treatment of a stainless steel wastewater, which contains high nitrate concentration (6.8 g N-NO3–/L), acidic pH (pH 3.3), and high concentration of metals. Denitrification was ... -
Carbonaceous and protein constituents in dairy wastewater lead to a differentiated current generation in microbial fuel cells (MFCs)
(2014)"The effect of real dairy wastewater (DWW) additions on the current density generated by a bioanode was evaluated in a half cell configuration under potentiostatic control, thus simulating the anodic chamber of a Microbial ... -
Data on the effect of the dispersion of functionalized nanoparticles TiO2 with photocatalytic activity in LDPE
(2018)"This article contains the dataset referring to the article "Study of the effect of the dispersion of functionalized nanoparticles TiO2with photocatalytic activity in LDPE" (Jahell et al., 2016) [1]. It includes the FT-IR ... -
Efecto de la concentración de PVA y DVB en el tamaño de particula de estireno sintetizado por el metodo de polimerización en suspensión y su posible uso como soporte de nanopartículas de ZnO
(2017)"El óxido de zinc (ZnO) es muy material con una gran cantidad de aplicaciones, se sabe que posee propiedades antibacterianas y es capaz de degradar tintes azo-derivados, como lo es el azul de metileno. Aun así, su escala ... -
Fluoride adsorption capacity of composites based on chitosan-zeolite-algae
(2016-04)"The objective of this study was to evaluate the adsorption capacity of fluoride in batch system at different pH on synthesized composites based in chitosan and low cost materials such as zeolite and seaweed. Both composites ... -
Improve in CO2 and CH4 adsorption capacity on carbon microfibers synthesized by electrospinning of PAN
(MDPI, 2019)"Carbon microfibers (CMF) has been used as an adsorbent material for CO2 and CH4 capture. The gas adsorption capacity depends on the chemical and morphological structure of CMF. The CMF physicochemical properties change ... -
Improved reductive transformation of iopromide by magnetite containing reduced graphene oxide nanosacks as electron shuttles
(Elsevier, 2019)"The novel application of magnetite containing reduced graphene oxide nanosacks (MrGO-N) as electron shuttles to improve the reductive degradation of the pharmaceutical pollutant, iopromide (IOP), was evaluated. MrGO-N ... -
Influence of protons on reduction degree and defect formation in electrochemically reduced graphene oxide
(Elsevier, 2019)"The electrochemical reduction of GO was investigated in aqueous, at both acid and basic pH, and organic media, to identify the possible role of protons (H+) in the reduction mechanism of this material. The obtained rGO ... -
Macroalgas marinas, polímeros naturales y óxido de grafeno como materiales adsorbentes para la remoción de hidrocarburos solubles
(2018-07)"Actualmente la liberación de hidrocarburos (HC) al medio acuático (> 6000 toneladas en 2016), es uno de los problemas emergentes de mayor impacto al ambiente. Una de las principales fuentes de emisión son los derrames de ... -
NMR analysis and crystal structure of hydroxyclerodanes from Mexican Salvia species
(2017)"NMR and single crystal X-ray diffraction analysis of seven clerodanes from Mexican Salvia species was performed. We focused on clerodanes with tertiary hydroxyl group at C-4, C-8, and C-10, in which the establishment of ... -
Oxidación anaerobia de metano acoplada a la reducción de sustancias húmicas y sus análogos estructurales
(2015-07)"Las sustancias húmicas (SH), provenientes de la descomposición de materia vegetal, juegan importantes roles en el medio ambiente. Un ejemplo, es la capacidad de las SH para ser aceptores finales de electrones (AFE) en la ... -
Role of the intrinsic properties of partially reduced graphene oxides on the chemical transformation of iopromide
(Elsevier, 2016)"The role of the intrinsic properties of graphene oxide (GO) and partially reduced graphene oxide (rGO), and their use as redox mediator (RM) is reported, for the first time, on the chemical transformation of iopromide ... -
Screening of commercial sorbents for the removal of phosphates from water and modeling by molecular simulation
(Elsevier, 2018)"Eight commercial sorbents of different origin and nature were studied in the present work for the removal of phosphate from water using synthetic solutions and a wastewater from an anodizing company. The materials included ... -
Síntesis de un compatibilizante para poliéster y poliolefinas, con base en redes interpenetradas poliméricas
(2012-09)"Las necesidades de la sociedad actual van en aumento incesante, por lo que es de imperiosa necesidad optimizar los recursos para que las generaciones futuras no sufran de escasez ni de problemas de contaminación a causa ... -
Study of nano-ZnO/Graphene-based photocatalyst to degrade Triclosan under UV and visible light
(21/02/2020)"In recent years, a growing problem with water treatment has arisen due to the presence of endocrine-disrupting compounds (EDC), which persist in surface, waste, and drinking water. A significant example of EDC is triclosan ... -
Study of the effect of the dispersion of functionalized nanoparticles TiO2 with photocatalytic activity in LDPE
(2016)"A photodegradable Low Density Polyethylene-Titanium dioxide (LDPE-TiO2) nanocomposite film was prepared, and its evaluation considers the partial modification of the surface of the particle using Hexadecyltrimethoxysilane ... -
Synthesis and photophysical properties of ferrocene-oligo(benzoateethynylene)- fulleropyrrolidines dyads and triads. Implications in photovoltaic cells
(2018)"A series of fulleropyrrolidines-conjugated bridge-ferrocene or triazene oligomers were selectively synthesized by the Sonogashira reaction by applying the step-by-step approach. The bridge is constituted by 1, 2 and 3 ... -
Synthesis of Bamboo-like Multiwall Carbon Nanotube–Poly(Acrylic Acid-co-Itaconic Acid)/NaOH Composite Hydrogel and its Potential Application for Electrochemical Detection of Cadmium(II)
(MDPI, 2020)"A poly(acrylic acid-co-itaconic acid) (PAA-co-IA)/NaOH hydrogel containing bamboo-type multiwall carbon nanotubes (B-MWCNTs) doped with nitrogen (PAA-co-IA/NaOH/B-MWCNTs) was synthesized and characterized by SEM, absorption ... -
Synthesis of keratine, silver, and flavonols nanocomposites to inhibit oxidative stress in pancreatic beta-cell (INS-1) and reduce intracellular reactive oxygen species production
(Elsevier, 2021)"Flavonols (FLA) from Vaccinium macrocarpon (V. macrocarpon) were identified using high-performance liquid chromatography coupled with mass spectrometry detection. Nanoparticles were prepared using highly crosslinked keratin ...