2005
DOI: 10.1016/j.jhazmat.2005.06.032
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Electrocoagulation of methylene blue and eosin yellowish using mild steel electrodes

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Cited by 142 publications
(72 citation statements)
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References 29 publications
(31 reference statements)
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“…It was also observed that as the reaction time increased from 30 to 180 min, the removal efficiency increased from 27 to 77%, from 20.8 to 58.3% and from 25.0 to 72.9% for Cells 1, 2 and 3, respectively. This is due to that, as the time of electrolysis increased, the time of mixing and reaction also increased (Golder et al, 1994). This is ascribed also to the fact as the time increased, more hydrogen bubbles were generated at the cathode; these bubbles improved the degree of mixing and enhanced the flotation ability of the cell with a consequent increase in the percentage removal (Mouedhen et al, 2008;Zaroual et al, 2009).…”
Section: Effect Of Electrolysis Timementioning
confidence: 99%
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“…It was also observed that as the reaction time increased from 30 to 180 min, the removal efficiency increased from 27 to 77%, from 20.8 to 58.3% and from 25.0 to 72.9% for Cells 1, 2 and 3, respectively. This is due to that, as the time of electrolysis increased, the time of mixing and reaction also increased (Golder et al, 1994). This is ascribed also to the fact as the time increased, more hydrogen bubbles were generated at the cathode; these bubbles improved the degree of mixing and enhanced the flotation ability of the cell with a consequent increase in the percentage removal (Mouedhen et al, 2008;Zaroual et al, 2009).…”
Section: Effect Of Electrolysis Timementioning
confidence: 99%
“…Electrocoagulation (EC) is a technology in which the coagulant is generated in situ by oxidation of a metal anode material when applying electrical current (Golder et al, 1994). As well known, Al 3+ ions dissolve and combine with hydroxyl ions in water (Daneshvar et al, 2003), when direct current passes through the Al anodes, they form metal hydroxides which are partly soluble in the water under definite pH values.…”
Section: Electrocoagulation Theorymentioning
confidence: 99%
“…Due to formation of hypochlorite (OCl -) and hypochlorous acid (HOCl). It is well known that Cl − anions can destroy the formed passivation layer on electrode and therefore enhance anodic dissolution rate of metal which lead to produce more metal hydroxide [43,44].…”
Section: Effect Of Initial Phmentioning
confidence: 99%
“…Muitos pesquisadores recorrem à adição de NaCl, para aumentar a condutividade do efluente. 35 Adicionalmente, observa-se que a adição de íons cloreto reduz significativamente o efeito adverso dos ânions HCO 3 -e SO 4 2-em águas duras. 34 A precipitação de carbonatos e/ou sulfatos de cálcio e/ou magnésio forma uma camada isolante na superfície dos eletrodos, aumentando drasticamente o potencial entre os eletrodos.…”
Section: Variação Da Intensidade De Corrente Aplicada Sobre a Eficiênunclassified