Sonochemical Treatment of Water Polluted by Chlorinated Organocompounds. A Review

José González-García, Verónica Sáez, Ignacio Tudela-Montes, María Isabel Díez-García, María Deseada Esclapez, Olivier Louisnard

Research output: Contribution to journalReview articlepeer-review

Abstract

As one of several types of pollutants in water, chlorinated compounds have been routinely subjected to sonochemical analysis to check the environmental applications of this technology. In this review, an extensive study of the influence of the initial concentration, ultrasonic intensity and frequency on the kinetics, degradation efficiency and mechanism has been analyzed. The sonochemical degradation follows a radical mechanism which yields a very wide range of chlorinated compounds in very low concentrations. Special attention has been paid to the mass balance comparing the results from several analytical techniques. As a conclusion, sonochemical degradation alone is not an efficient treatment to reduce the organic pollutant level in waste water.

Original languageEnglish
Pages (from-to)28-74
Number of pages47
JournalWater
Volume2
Issue number1
Early online date2 Feb 2010
DOIs
Publication statusPublished - Mar 2010
Externally publishedYes

Keywords

  • chlorinated organocompound
  • sonochemistry
  • pollutant
  • cavitation
  • pyrolysis
  • radicals

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