2008
DOI: 10.1002/j.1551-8833.2008.tb09583.x
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Implementing residuals management: Cost implications for coagulation and softening plants

Abstract: The US Environmental Protection Agency (USEPA) was charged with determining whether minimum federal Clean Water Act requirements should be established for National Pollutant Discharge Elimination System permits on the discharge of residuals produced at water treatment plants. A key factor in USEPA's evaluation was the cost of residuals management at facilities where such treatment does not currently exist or where significant treatment changes would be required to meet such a technology‐based management requir… Show more

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Cited by 5 publications
(6 citation statements)
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“…The quantity of residuals generated depends upon the design and capacity of the water treatment plant as well as the composition of the source water, with river water tending to produce proportionately more residuals than other source waters [1][2][3]. Lime softening sludge, for example, is currently generated by more than 1000 plants in the United States during the removal of hardness via the addition of lime, Ca(OH) 2 , and soda ash, Na 2 CO 3 [4].…”
Section: Introductionmentioning
confidence: 99%
“…The quantity of residuals generated depends upon the design and capacity of the water treatment plant as well as the composition of the source water, with river water tending to produce proportionately more residuals than other source waters [1][2][3]. Lime softening sludge, for example, is currently generated by more than 1000 plants in the United States during the removal of hardness via the addition of lime, Ca(OH) 2 , and soda ash, Na 2 CO 3 [4].…”
Section: Introductionmentioning
confidence: 99%
“…De acordo com Roth (2008), os custos de implantação de sistemas de tratamento de lodos em estações de tratamento de água podem variar de 30 a 40% do custo total do sistema de tratamento, o que justifica a investigação de técnicas de tratamento de água que permitam a redução na massa de sólidos gerada no processo de tratamento.…”
Section: Introductionunclassified
“…Os custos de implantação de sistemas de tratamento de lodos em estações de tratamento de água podem variar de 30 a 40% do custo total do sistema de tratamento (ROTH, 2008). Fator este que favorece o não interesse em se promover investimentos e planejamento quanto aos mecanismos de tratamento dos resíduos.…”
Section: Tratamento De Resíduos Gerados Em Etasunclassified
“…Visto que os custos de implantação de sistemas de tratamento de lodos em estações de tratamento de água podem variar de 30 a 40% do custo total do sistema de tratamento (ROTH, 2008).…”
Section: Clarificação Do Lodo Do Decantador De Alta Taxaunclassified
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