11 research outputs found

    Study of the chlorfenvinphos pesticide removal under different anodic materials and different reactor configuration

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    The present manuscript focuses on the study of the electrochemical oxidation of the insecticide Chlorfenvinphos (CVP). The assays were carried out under galvanostatic conditions using boron-doped diamond (BDD) and lowcost tin dioxide doped with antimony (Sb-doped SnO2) as anodes. The influence of the operating variables, such as applied current density, presence or absence of a cation-exchange membrane and concentration of supporting electrolyte, was discussed. The results revealed that the higher applied current density the higher degradation and mineralization of the insecticide for both anodes. The presence of the membrane and the highest concentration of Na2SO4 studied (0.1 M) as a supporting electrolyte benefited the oxidation process of CVP using the BDD electrode, while with the ceramic anode the elimination of CVP was lower under these experimental conditions. Although the BDD electrode showed the best performance, ceramic anodes appear as an interesting alternative as they were able to degrade CVP completely for the highest applied current density values. Toxicity tests revealed that the initial solution of CVP was more toxic than the samples treated with the ceramic electrode, while using the BDD electrode the toxicity of the sample increased

    Study of the chlorfenvinphos pesticide removal under different anodic materials and different reactor configuration

    Get PDF
    The present manuscript focuses on the study of the electrochemical oxidation of the insecticide Chlorfenvinphos (CVP). The assays were carried out under galvanostatic conditions using boron-doped diamond (BDD) and low-cost tin dioxide doped with antimony (Sb-doped SnO2) as anodes. The influence of the operating variables, such as applied current density, presence or absence of a cation-exchange membrane and concentration of supporting electrolyte, was discussed. The results revealed that the higher applied current density the higher degradation and mineralization of the insecticide for both anodes. The presence of the membrane and the highest concentration of Na2SO4 studied (0.1 M) as a supporting electrolyte benefited the oxidation process of CVP using the BDD electrode, while with the ceramic anode the elimination of CVP was lower under these experimental conditions. Although the BDD electrode showed the best performance, ceramic anodes appear as an interesting alternative as they were able to degrade CVP completely for the highest applied current density values. Toxicity tests revealed that the initial solution of CVP was more toxic than the samples treated with the ceramic electrode, while using the BDD electrode the toxicity of the sample increased

    A922 Sequential measurement of 1 hour creatinine clearance (1-CRCL) in critically ill patients at risk of acute kidney injury (AKI)

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    Study of the chlorfenvinphos pesticide removal under different anodic materials and different reactor configuration

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    [EN] The present manuscript focuses on the study of the electrochemical oxidation of the insecticide Chlorfenvinphos (CVP). The assays were carried out under galvanostatic conditions using boron-doped diamond (BDD) and lowcost tin dioxide doped with antimony (Sb-doped SnO2) as anodes. The influence of the operating variables, such as applied current density, presence or absence of a cation-exchange membrane and concentration of supporting electrolyte, was discussed. The results revealed that the higher applied current density the higher degradation and mineralization of the insecticide for both anodes. The presence of the membrane and the highest concentration of Na2SO4 studied (0.1 M) as a supporting electrolyte benefited the oxidation process of CVP using the BDD electrode, while with the ceramic anode the elimination of CVP was lower under these experimental conditions. Although the BDD electrode showed the best performance, ceramic anodes appear as an interesting alternative as they were able to degrade CVP completely for the highest applied current density values. Toxicity tests revealed that the initial solution of CVP was more toxic than the samples treated with the ceramic electrode, while using the BDD electrode the toxicity of the sample increased.The authors thank the financial support from the Ministerio de Economia y Competitividad (Spain) under the project RTI 2018-101341-B-C21, co-financed with FEDER funds.Mora-Gómez, J.; Escribá-Jiménez, S.; Carrillo-Abad, J.; García Gabaldón, M.; Montañés, M.; Mestre, S.; Pérez-Herranz, V. (2022). Study of the chlorfenvinphos pesticide removal under different anodic materials and different reactor configuration. Chemosphere. 290:1-9. https://doi.org/10.1016/j.chemosphere.2021.1332941929

    Background factors to innovation performance: results of an empirical study using fsQCA methodology

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    [EN] On the one hand, we have analyzed the relationships between four key constructs: entrepreneurial orientation, online social networks, organizational learning capability and innovation performance. On the other hand, we have observed the importance of correctly using and justifying the calibration in fsQCA given that the obtained results may differ. We developed an empirical study with 209 four-star and five-star Spanish hotels. Using the fsQCA methodology, the results show that in order to obtain innovative results, hotels should combine Entrepreneurial Orientation and online Social Networks along with organizational learning capability.Palacios Marqués, D.; Roig-Dobón, S.; Comeig-Ramírez, I. (2017). Background factors to innovation performance: results of an empirical study using fsQCA methodology. Quality & Quantity. 51:1939-1953. doi:10.1007/s11135-016-0414-2S1939195351Aljuwaiber, A.: Communities of practice as an initiative for knowledge sharing in business organizations. 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