Now showing items 1-14 of 14

    • Chromium VI and Fluoride Competitive Adsorption on Different Soils and By-Products 

      Quintáns Fondo, Ana; Coelho, Gustavo Ferreira; Arias Estévez, Manuel; Nóvoa Muñoz, Juan Carlos; Fernández Calviño, David; Álvarez Rodríguez, Esperanza; Fernández Sanjurjo, María José; Núñez Delgado, Avelino (MDPI, 2019)
      Chromium (as Cr(VI)) and fluoride (F−) are frequently found in effluents from different industrial activities. In cases where these effluents reach soil, it can play an important role in retaining those pollutants. Similarly, ...
    • Development of new analysis methods for the study of molecular aggregation and adsorption 

      Fernández Garrido, Pablo (2021)
      Molecular aggregation processes as well as adsorption to interfaces between media of different polarity are necessary for many natural phenomena and industrial applications. From the formation of cell membranes to the ...
    • Efficient Separation of Heavy Metals by Magnetic Nanostructured Beads 

      Castro Alves, Lisandra de; Yáñez Vilar, Susana; Piñeiro Redondo, Yolanda; Rivas Rey, José (MDPI, 2020)
      This study reports the ability of magnetic alginate activated carbon (MAAC) beads to remove Cd(II), Hg(II), and Ni(II) from water in a mono-metal and ternary system. The adsorption capacity of the MAAC beads was highest ...
    • Enhanced oil recovery with nanofluids based on aluminum oxide and 1-dodecyl-3-methylimidazolium chloride ionic liquid 

      Al-Asadi, Akram; Arce Arce, Alberto; Rodil Rodríguez, Eva; Soto Campos, Ana María (Elsevier, 2022)
      Surface-active ionic liquids (SAILs) have multiplied the possibilities of surfactant enhanced oil recovery (EOR) methods. Among their multiple promising features, the possibility of functionalization and their stability ...
    • Fluid interface calorimetry 

      Fernández Garrido, Pablo; Bastos, Margarida; Velazquez-Campoy, Adrian; Dumas, Philippe; Piñeiro, Ángel (Elsevier, 2021)
      Hypothesis: Amphiphilic molecules spontaneously adsorb to fluid polar-nonpolar interfaces. The timescale of such adsorption depends on the molecular size and structure of the solute. This process should be accompanied by ...
    • Novel Magnetic Nanostructured Beads for Cadmium(II) Removal 

      Castro Alves, Lisandra de; Yáñez Vilar, Susana; Piñeiro Redondo, Yolanda; Rivas Rey, José (MDPI, 2019)
      This study presents an effective magnetic separation method for cadmium removal, based on the use of a novel nanostructured material as an adsorbent. This adsorbent involves the incorporation of magnetite nanoparticles ...
    • Recovery and concentration of antioxidants from winery wastes 

      Soto, María Luisa; Conde, Enma; González López, Noelia; Conde, María Jesús; Moure, Andrés; Sineiro Torres, Jorge; Falqué, Elena; Domínguez, Herminia; Núñez García, María José; Parajó, Juan Carlos (MDPI, 2012)
      Grape and wine byproducts have been extensively studied for the recovery of phenolic compounds with antioxidant activity and a variety of biological actions. The selective recovery and concentration of the phenolic compounds ...
    • Relevance of sorption in bio-reduction of amoxicillin taking place in forest and crop soils 

      Cela Dablanca, Raquel; Barreiro Buján, Ana; Rodríguez López, Lucía; Santás Miguel, Vanesa; Arias Estévez, Manuel; Núñez Delgado, Avelino; Álvarez Rodríguez, Esperanza; Fernández Sanjurjo, María José (Elsevier, 2022)
      The fate of antibiotics reaching soils is a matter of concern, given its potential repercussions on public health and the environment. In this work, the potential bio-reduction of the antibiotic amoxicillin (AMX), affected ...
    • Retention of the Antibiotic Cefuroxime onto Agricultural and Forest Soils 

      Cela Dablanca, Raquel; Nebot García, Carolina Graciela; Rodríguez López, Lucía; Fernández Calviño, David; Arias Estévez, Manuel; Núñez Delgado, Avelino; Álvarez Rodríguez, Esperanza; Fernández Sanjurjo, María José (MDPI, 2021)
      Antibiotics in wastewater, sewage sludge, manures, and slurries constitute a risk for the environment when spread on soils. This work studies the adsorption and desorption of the antibiotic cefuroxime (CFX) in 23 agricultural ...
    • Short and long term orange dye effects over AOB and anammox activities 

      Val del Río, María Ángeles; Stachurski, A.; Méndez Pampín, Ramón José; Campos Gómez, José Luis; Surmacz-Górska, Joanna; Mosquera Corral, Anuska (2016-09-07)
      In this research work the effects of orange azo dye over ammonia oxidizing bacteria (AOB) and anammox bacteria activities were tested. Adsorption onto the biomass was detected with both types of biomass however no biological ...
    • Study of Adsorption and Flocculation Properties of Natural Clays to Remove Prorocentrum lima 

      Louzao Ojeda, María Carmen; Abal Camaño, Paula; Fernández, Diego A.; Rodríguez Vieytes, María Mercedes; Legido, José Luis; Gómez, Carmen P.; Pais, Jesus; Botana López, Luis Miguel (MDPI, 2015)
      High accumulations of phytoplankton species that produce toxins are referred to as harmful algal blooms (HABs). HABs represent one of the most important sources of contamination in marine environments, as well as a serious ...
    • Tetracycline and Sulfonamide Antibiotics in Soils: Presence, Fate and Environmental Risks 

      Conde Cid, Manuel; Núñez Delgado, Avelino; Fernández Sanjurjo, María José; Álvarez Rodríguez, Esperanza; Fernández Calviño, David; Arias Estévez, Manuel (MDPI, 2020)
      Veterinary antibiotics are widely used worldwide to treat and prevent infectious diseases, as well as (in countries where allowed) to promote growth and improve feeding efficiency of food-producing animals in livestock ...
    • Unsupervised bubble calorimetry analysis: surface tension from isothermal titration calorimetry 

      Fernández Garrido, Pablo; Bastos, Margarida; Velazquez-Campoy, Adrian; Amigo Pombo, Alfredo José; Dumas, Philippe; Piñeiro Guillén, Ángel (Elsevier, 2022)
      Hypothesis: The injection of air into the sample cell of an isothermal titration calorimeter containing a liquid provides a rich-in-information signal, with a periodic contribution arising from the creation, growing and ...
    • Utilization of Composts for Adsorption of Methylene Blue from Aqueous Solutions: Kinetics and Equilibrium Studies 

      Paradelo Núñez, Remigio; Al-Zawahreh, Khaled; Barral Silva, María Teresa del Carmen (MDPI, 2020)
      Utilization of composts as low-cost adsorbents is an important application in the field of environmental remediation, but these materials have not yet been extensively used for dye removal. In this work, we have studied ...





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