Optimización de sonorreactores para la degradación de contaminantes en agua potable

  1. Francés, J.
  2. Hervás García, M. A.
  3. Heredia Avalos, S.
  4. González García, J. 1
  5. Alba, J.
  6. Ramis, J.
  1. 1 Universidad Politécnica de Valencia
    info

    Universidad Politécnica de Valencia

    Valencia, España

    ROR https://ror.org/01460j859

Book:
Tecniacústica 2008: conferencias y comunicaciones de Acústica 2008. V Congreso Ibérico de Acústica y Tecniacustica 2008; 39.º Congreso Español de Acústica. Coímbra, Portugal. octubre, 2008

Publisher: Sociedad Española de Acústica

Year of publication: 2008

Congress: Congreso Español de Acústica (39. 2008. Coimbra)

Type: Conference paper

Abstract

We show the results that we have obtained to date in the design and building of a sonochemical reactor, in order to use ultrasounds to increase the efficiency of chemical reactions in the purification of sewage. For this purpose, it is necessary to build and characterize ultrasonic transducers. We have chosen sandwich transducers constituted by two piezoelectric ceramics between two metallic pieces because they are the most used transducers. In this work, we show the process used to characterize a piezoelectric ceramic, obtaining the resonance frequencies associated to some of its vibration modes and its admittance curve as a function of the frequency. We have proposed several possible configurations for the transducer, changing the nature and dimensions of the metallic pieces that constitute the radiating head and the backing, in order to increase the sonic energy that the transducer radiates to the medium and to modify its resonance frequency.