2009
DOI: 10.1590/s0100-40422009000400028
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Influência das características das substâncias húmicas aquáticas na eficiência da coagulação com o cloreto férrico

Abstract: InfluêncIa das característIcas das substâncIas húmIcas aquátIcas na efIcIêncIa da coagulação com o cloreto férrIco eliane sloboda

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Cited by 8 publications
(5 citation statements)
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References 16 publications
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“…This is confirmed by the SUVA254 values (relation between UV254 and DOC parameters) shown in Figure 2. The NOM content with a higher SUVA254 value during Autumn (SUVA254 > 2.0 L mg -1 m -1 ) may be due to the presence of fractions with higher amounts of aromatic rings [62] and the presence of polyphenols in the leaf material [63,64]. Previous studies suggest that NOM with a high SUVA254 value (higher aromatic rings amount) plays an important role in the formation of disinfection by-products (DBPs), if it reacts with disinfectants such as chlorine [61,[65][66][67][68].…”
Section: Seasonal Variation Of Doc Uv254 and Suva254 Concentrations I...mentioning
confidence: 99%
“…This is confirmed by the SUVA254 values (relation between UV254 and DOC parameters) shown in Figure 2. The NOM content with a higher SUVA254 value during Autumn (SUVA254 > 2.0 L mg -1 m -1 ) may be due to the presence of fractions with higher amounts of aromatic rings [62] and the presence of polyphenols in the leaf material [63,64]. Previous studies suggest that NOM with a high SUVA254 value (higher aromatic rings amount) plays an important role in the formation of disinfection by-products (DBPs), if it reacts with disinfectants such as chlorine [61,[65][66][67][68].…”
Section: Seasonal Variation Of Doc Uv254 and Suva254 Concentrations I...mentioning
confidence: 99%
“…In addition, the organic matter present in these matrices can interfere in different ways, competing with the target components for degradation or for the attenuation of active sites or radiation, if used. The organic matter present in these matrices can interfere in different ways, competing with the target components for degradation or attenuation of active sites, if used 47, 48.…”
Section: Basic Principles Of Sonochemistrymentioning
confidence: 99%
“…Logo, é possível observar que o valor de pH encontrado no presente trabalho foi maior do que os encontrados nos trabalhos realizados por Cunha et al ) para amostras de águas naturais da Serra de Itabaiana. As amostras de água que foram utilizadas para a extração das SHA foram acidi cadas com ácido clorídrico até pH ~ 2,0 para evitar a decomposição da matéria orgânica durante o tempo de armazenamento e, também, para permitir a protonação dos grupos funcionais das SHA e consequente adsorção na resina macroporosa XAD 8 (Sloboda et al, 2009 2014, para esses metais, foram de 9,3; 0,11; 0,7; 1,5 e 0,09 mg L −1 , respectivamente.…”
Section: Determinação Da Capacidade De Complexação (Cc) Das Substânciunclassified