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ListarDivisión de Ciencias Ambientales por tema "QUÍMICA"

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Mostrando ítems 1-20 de 23

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    • Activación y caracterización de materiales nanoestructurados (CNx y CST): remoción de cadmio. 

      Andrade Espinosa, Guillermo (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) 

      Ramirez Juarez, Juan Ernesto; Esquivel González, Saúl; Rangel Méndez, José René; Arriaga García, Sonia Lorena; Gallegos Garcia, Marisol; Buitron, German; Cervantes Carrillo, Francisco Javier (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) 

      Bibiana Cercado; Vega Guerrero, Ana Laura; Hernández López, José Luis; Cházaro Ruiz, Luis Felipe; Alain Bergel (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 for the synthesis, characterization, and use of xerogels as adsorbents for the removal of fluoride and bromide in aqueous phase 

      Medellín Castillo, Nahum Andrés; Isaacs Páez, Elizabeth D.; Giraldo, Liliana S.; Moreno Piraján, Juan Carlos; Rodríguez Méndez, Itzia; Reyes López, Simón Yobanny; Reyes Hernández, Jaime; Segovia Sandoval, Sonia Judith (Elsevier, 2022)
      "Groundwater with high fluoride concentrations has been recognized as one of the serious concerns worldwide. Besides, the fluoride released into the groundwater by slow dissolution of fluoride-containing rocks, various ...
    • Data on the effect of the dispersion of functionalized nanoparticles TiO2 with photocatalytic activity in LDPE 

      Alvarado, Jahell; Acosta González, Guillermo E.; Pérez Rodríguez, Fátima (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 

      Morales Méndez, Guillermo Daniel; Farías Cepeda, Loerena; Rubio Ríos, Anilú; Ovando Medina, Víctor M.; Rivera de la Rosa, Javier; Lara Ceniceros, Ana Claudia; Pérez Rodríguez, Fátima (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 

      Diaz Flores, Paola Elizabeth; Rangel Méndez, José René; Cerino Córdova, Felipe de Jesús; Victor Ovando-Medina (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 

      Ojeda López, Reyna; Esparza Schulz, Juan Marcos; Pérez Hermosillo, Isaac Jhonnatan; Hernández Gordillo, Armin; Domínguez Ortiz, Armando (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 

      Toral Sánchez, Eduardo; Hurt, Robert H; Ascacio Valdés, Juan Alberto; Aguilar, Cristóbal Noe; Cervantes Carrillo, Francisco Javier; Rangel Méndez, José René (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 

      Quezada Renteria, Javier Alan; Ania, Conchi O.; Cházaro Ruiz, Luis Felipe; Rangel Méndez, José René (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 

      Flores Chaparro, Carlos Enrique (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 

      Ortega, Alfredo R.; Ortíz Pastrana, Naytzé; Bedolla García, Brenda Yudith; Toscano, Rubén Alfredo; Bautista Redonda, Francisco Elihú (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 

      Valenzuela Reyes, Edgardo Iván (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 

      Toral Sánchez, Eduardo; Ascacio Valdés, Juan Alberto; Aguilar González, Cristóbal Noé; Cervantes Carrillo, Francisco Javier; Rangel Méndez, José René (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 

      Delgadillo Velasco, Lorena; Hernández Montoya, Virginia; Rangel Vázquez, Norma Aurea; Cervantes Carrillo, Francisco Javier; Montes Morán, Miguel Ángel; Moreno Virgen, Ma. del Rosario (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 

      Mancera García, Karen Mariana (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 

      Cervantes Rincón, Nancy Ayerim (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 

      Alvarado, Jahell; Acosta González, Guillermo E.; Pérez Rodríguez, Fátima (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 

      Flores, JR; Pérez Rodríguez, Fátima; Jiménez Barrera, Rosa Martha; Arias, Eduardo; Moggio, Ivana; Torres, Román; Rodríguez, Geraldina; Ottonelli, Massimo; Ziolo, Ronald Francis (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) 

      Cházaro Ruiz, Luis Felipe; Olvera Sosa, Miguel; Vidal García, Gabriela; Rangel Méndez, José René; Palestino, Gabriela; Pérez Rodríguez, Fátima; Zhang, Wei (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 ...
      Instituto Potosino de Investigación Científica y Tecnológica A.C. Tel: (444) 8342000
      Camino a la Presa San José 2055 Col. Lomas 4 sección CP. 78216 San Luis Potosí S.L.P., México
       

       

      Instituto Potosino de Investigación Científica y Tecnológica A.C. Tel: (444) 8342000
      Camino a la Presa San José 2055 Col. Lomas 4 sección CP. 78216 San Luis Potosí S.L.P., México