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Cordoba University

Edificio C-2, Campus Universitario de Rabanales, Universidad de Córdoba
14071 Cordoba
Spain

Contact email:

Website: http://www.uco.es/fisica-aplicada/personal/docente-investigador.php

Brief presentation of the institution

The research group "Plasma Physics: Diagnostic, models and applications" (FQM-136 University of Cordoba) is mainly focused in the study of microwave discharges generated at 2.45 GHz using different coupling devices (surfatron, surfaguide, TIA,…) under a broad variety of experimental conditions. Characterization of these plasmas from both theoretical and experimental point of views, and applications of these plasmas are investigated. One of our research lines is devoted to develop new methods to diagnose plasma parameters (electron density and temperatures) using Optical Emission Spectroscopy techniques. Recently we have started working in the use of these discharges for water treatment (dye laden water). We have developed some plasma reactors for this purpose. Some of our studies have been carried out in collaboration with Dr. Foster from the University of Michigan (Ann Arbor, USA). Moreover, Prof. Dr. García collaborates with Dr. Foster in studying plasma bubbles in water generated in water in his low frequency DBD reactors. Our research in this field of water treatment is also supported by the research group “Organic Catalysis and Nano-structured Materials” (Department of Organic Chemistry, University of Cordoba), helping us in the study of the chemical phenomena induced by the plasma in the (contaminated) water.

Main Plasma with liquids related topics

- Design of different microwave reactors for liquid treatments (producing plasma directly in the liquid or in the gas phase in contact with the liquid). - Elementary chemical and physical phenomena induced by the microwave plasma in water or aqueous solutions (discharge plasma diagnostics, analyses of chemical products in liquid) - Chemical and biological effects of electrical discharge plasma in water and their potential environmental, biological, chemical applications (decomposition of organic pollutants in water, inactivation of microorganisms in water, organic synthesis, etc.)

Main Plasma with liquids related research techniques and equipment

Generation of electrical discharges in/in contact with liquid: - Microwave generator (2.45 GHz) working at a maximun power of 200 W. - Microwave generator (2.45 GHz) working at a maximun power of 300 W. - Microwave generator (2.45 GHz) working at a maximun power of 2000 W. - RF generator allowing to work at lower frequencies. - Different power coupling devices: surfatrons of different sizes and geometries, surfaguide, coaxial couplers with inner conductor, different Axial Injection Torch (TIA). Plasma diagnosis - 1 m focal distance spectrometer using photomultiplier as detector. - 15 cm focal distance spectrometer using CCD camera as detector. - AvaSpec Multichannel Fiber Optic Spectrometer, configured with three 75mm focal length spectrometer channels, all consisting of 2048 pixel CCD detectors (wavelength ranges for every channel 300–450 nm, 450–670 nm and 670–850 nm), (spectral resolution in 0.1–0.2 nm range). Sample analysis - UV–visible spectroscopy absortion spectra - Thermo equipment for Mass Spectrometry - Agilent GC with TIC detectors - Bruker 70 IR spectrmeter

Brief information on available facilities related to Plasma with liquids

Willingness to accept/host visiting researchers

Participation in Working Groups

Members:

  • Maria Carmen García
    Email:

    Position: Professor
  • Francisco José Romero-Salguero
    Email:

    Position: Professor

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Action Office

Working groups

Core Group

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