Combinative Sonolysis and Photocatalysis for Textile Dye Degradation
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- 作者：Naomi L. Stock ; Julie Peller ; K. Vinodgopal ; and Prashant V. Kamat
- 刊名：Environmental Science & Technology
- 出版年：2000
- 出版时间：May 1, 2000
- 年：2000
- 卷：34
- 期：9
- 页码：1747 - 1750
- 全文大小：71K
- 年卷期：v.34,no.9(May 1, 2000)
- ISSN：1520-5851
文摘
The merits of combining two advanced oxidationprocesses, viz., sonolysis and photocatalysis, have beenevaluated by investigating the degradation of an azo dye,naphthol blue black (NBB), using a high-frequencyultrasonic generator and UV-photolysis. An additiveeffect on the degradation rate of the parent compound isobserved when the sonolysis and photocatalysis experiments were carried out in a simultaneous or sequentialmanner. Sonolysis is effective for inducing faster degradationof the parent dye, while TiO2 photocatalysis is effectivefor promoting mineralization.