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• González-García, J
• Sáez, V
• Tudela, I
• Díez-Garcia, M
• Deseada Esclapez, M
• Louisnard, O
• [+] on Google Scholar
• González-García, J
• Sáez, V
• Tudela, I
• Díez-Garcia, M
• Deseada Esclapez, M
• Louisnard, O
• [+] on PubMed
• González-García, J
• Sáez, V
• Tudela, I
• Díez-Garcia, M
• Deseada Esclapez, M
• Louisnard, O

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Water 2010, 2(1), 28-74; doi:10.3390/w2010028

Review

Sonochemical Treatment of Water Polluted by Chlorinated Organocompounds. A Review

José González-García ^1,* , Verónica Sáez ¹ , Ignacio Tudela ¹ , María Isabel Díez-Garcia ¹ , María Deseada Esclapez ¹  and Olivier Louisnard ^2,3

¹ Grupo de Nuevos Desarrollos Tecnológicos en Electroquímica: Sonoelectroquímica y Bioelectroquímica, Departamento de Química Física e Instituto Universitario de Electroquímica, Universidad de Alicante, Ap. Correos 99, 03080 Alicante, Spain ² Centre RAPSODEE, Ecole des Mines Albi, F-81013 Albi, France ³ Université de Toulouse; Mines Albi; CNRS, F-81013 Albi, France

* Author to whom correspondence should be addressed.

Received: 30 December 2009; in revised form: 26 January 2010 / Accepted: 29 January 2010 / Published: 2 February 2010

(This article belongs to the Special Issue Feature Papers)

Download PDF Full-Text [439 KB, uploaded 2 February 2010 14:53 CET]

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.

Keywords: chlorinated organocompound; sonochemistry; pollutant; cavitation; pyrolysis; radicals

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