1991
DOI: 10.1016/0045-6535(91)90269-j
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Fate of water soluble azo dyes in the activated sludge process

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Cited by 324 publications
(166 citation statements)
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“…23 Estudos comprovam a resistência dos corantes aos tratamentos biológicos. [24][25][26][27] Neste trabalho são apresentadas duas abordagens sobre a possibilidade de aproveitamento da lama vermelha na remoção de corantes presentes em efluentes têxteis: experimento E1 (adsorvente) e experimento E2 (catalisador para geração do reagente Fenton).…”
Section: Figura 1 Variação Da Composição Da Lama Vermelha Segundo DIunclassified
“…23 Estudos comprovam a resistência dos corantes aos tratamentos biológicos. [24][25][26][27] Neste trabalho são apresentadas duas abordagens sobre a possibilidade de aproveitamento da lama vermelha na remoção de corantes presentes em efluentes têxteis: experimento E1 (adsorvente) e experimento E2 (catalisador para geração do reagente Fenton).…”
Section: Figura 1 Variação Da Composição Da Lama Vermelha Segundo DIunclassified
“…Bolong et al [61] has reviewed the use and efficiencies of activated carbon, oxidation, activated sludge, nanofiltration and reverse osmosis membranes in removal of persistent organic contaminants. The current options for water treatment for the removal of organic contaminants are based on continued development of activated sludge method, which is basically a bio transformation method [62,63], the membrane filtration methods [60,64] and reverse osmosis [65][66][67]. Activated sludge with zeolite improves organic contaminants biodegradability during anaerobic oxidation of municipal waste water by increasing the number of heterotropic bacteria as high as 55 times compared to control activated sludge [68].…”
Section: Treatment Options For Organic Contaminants In Freshwater Systemmentioning
confidence: 99%
“…Azo dye is the most widely used synthetic dyestuffs, about 10% of which are unemployed and discharged in aqueous effluent (Sandhya and Swaminathan, 2006). On account of aerobic stability of azo dye, anaerobic treatment processes are usually employed for decolorization to cater the subsequent mineralization (Shaul et al, 1991). In the practical scene, the continuous stirred tank reactors (CSTRs) are pervasively applied in the textile wastewater remediation (Jeihanipour et al, 2013).…”
Section: Introductionmentioning
confidence: 99%