2012
DOI: 10.1016/j.jenvman.2011.06.016
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Sludge valorization from wastewater treatment plant to its application on the ceramic industry

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Cited by 107 publications
(60 citation statements)
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“…Replacing clay in a ceramic body with different proportions of sludge can reduce the cost due to the utilization of waste. Results have shown that incorporating up to 5 wt% of sludge is beneficial for clay bricks [5]. Investigation utilizing fresh water treatment sludge (WTS) on the physical and mechanical properties, structural parameters as well as mineralogical composition of the ceramic products has been examined by Kizinievic et al It was found that WTS additive, which is mostly composed from colorific Fe 2 O 3 , can be utilized as a natural pigment that dyes the ceramic body in darker, more intense red color [6].…”
Section: Introductionmentioning
confidence: 99%
“…Replacing clay in a ceramic body with different proportions of sludge can reduce the cost due to the utilization of waste. Results have shown that incorporating up to 5 wt% of sludge is beneficial for clay bricks [5]. Investigation utilizing fresh water treatment sludge (WTS) on the physical and mechanical properties, structural parameters as well as mineralogical composition of the ceramic products has been examined by Kizinievic et al It was found that WTS additive, which is mostly composed from colorific Fe 2 O 3 , can be utilized as a natural pigment that dyes the ceramic body in darker, more intense red color [6].…”
Section: Introductionmentioning
confidence: 99%
“…Particularly, the potential use of industrial wastes in ceramic processes has been widely investigated by various authors, demonstrating that products showing good technological properties could be obtained [1][2][3][4][5][6][7][8][9][10][11][12][13][14]. Nevertheless, just like at the end of its useful life and landfill deposition, compliance leaching tests are used to assess the environmental impact of the alternative product that incorporates the upgraded waste.…”
Section: Introductionmentioning
confidence: 99%
“…Nevertheless, just like at the end of its useful life and landfill deposition, compliance leaching tests are used to assess the environmental impact of the alternative product that incorporates the upgraded waste. However, the selected leaching tests vary in type and targeted component, the most used being the Toxicity Characteristic Leaching Procedure (TCLP) [2,4,[15][16] established by the Environmental Protection Agency (EPA), and the equilibrium batch leaching test UNE-EN 12457 [6, 8-11, 14, 17] established by the European Directive on the Landfill of Waste (2003/33/CE). Results from these tests are compared to the threshold limits established for waste acceptance at landfill.…”
Section: Introductionmentioning
confidence: 99%
“…Toda a produção e transformação de materiais industriais, seja em pequena ou grande escala, gera resíduos que muitas vezes não têm disposição ecologicamente correta ou adequada reutilização 2 . Em alguns casos, estes resíduos podem ser utilizados como produtos secundários ou podem ser reutilizados diretamente como matérias-primas em outros processos industriais (subprodutos), aumentando seu valor e, consequentemente, trazendo benefício socioambiental 3,4 . O desenvolvimento de práticas de reciclagem tem se tornado expressiva em todo o mundo.…”
Section: Introductionunclassified