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Processo para a sÃntese de ferrato (VI) e suas aplicações
Paperback
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ISBN10: 6209618928
ISBN13: 9786209618925
Publisher: Edicoes Nosso Conhecimento
Published: Feb 25 2026
Pages: 80
Weight: 0.26
Height: 0.19 Width: 6.00 Depth: 9.00
Language: Portuguese
ISBN13: 9786209618925
Publisher: Edicoes Nosso Conhecimento
Published: Feb 25 2026
Pages: 80
Weight: 0.26
Height: 0.19 Width: 6.00 Depth: 9.00
Language: Portuguese
Os compostos de ferro no estado de oxidação (VI) têm a vantagem de serem fortes agentes oxidantes e bactericidas, o que explica o seu particular interesse no tratamento da água. Além disso, a sua redução dá origem ao hidróxido férrico. O seu poder floculante ajuda na remoção de poluentes orgânicos e minerais (hidrocarbonetos, metais pesados, isótopos radioativos, etc.). A sÃntese do ferrato (VI) está a revelar-se muito difÃcil devido à instabilidade que lhe confere o seu elevado poder oxidante e ao facto de os processos de sÃntese existentes serem realizados à escala laboratorial. Este trabalho centrou-se nos métodos de sÃntese do ferrato alcalino (VI): estável à temperatura ambiente, húmido, eletroquÃmico e seco. A taxa de armazenamento excede os 12 meses, o que incentiva a sÃntese em massa do ferrato (VI). O estudo do efeito bactericida destes ferratos e a sua utilização no tratamento da água do rio Mehraz, em Fez, Marrocos, é muito promissor. A produção de ferrato (VI) de metais alcalinos à escala industrial requer purificação e elevada estabilidade à temperatura ambiente para facilitar o transporte e o armazenamento.
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