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Tratamento sonoquÃmico de águas contaminadas por um corante têxtil
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ISBN10: 6209388191
ISBN13: 9786209388194
Publisher: Edicoes Nosso Conhecimento
Published: Nov 26 2025
Pages: 64
Weight: 0.22
Height: 0.15 Width: 6.00 Depth: 9.00
Language: Portuguese
ISBN13: 9786209388194
Publisher: Edicoes Nosso Conhecimento
Published: Nov 26 2025
Pages: 64
Weight: 0.22
Height: 0.15 Width: 6.00 Depth: 9.00
Language: Portuguese
A utilização de ondas ultra-sónicas é uma forma de tratar a água carregada de compostos tóxicos que não são facilmente biodegradáveis. O objetivo deste estudo foi a degradação do preto reativo 5 (RB5), um corante aniónico pertencente à famÃlia dos diazóis, por sonólise. A fim de otimizar a degradação sonoquÃmica do RB5, foram estudados vários parâmetros, tais como o pH inicial da solução, a concentração inicial do corante, a potência da radiação ultra-sónica e o efeito da adição de iões de ferro (II) e de peróxido de hidrogénio. A degradação sonoquÃmica do RB5 foi monitorizada por espetrofotometria (UV/Vis). Os resultados mostraram que foi obtido um rendimento de 73,8% após 180 minutos de tratamento.
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