2013
DOI: 10.1016/j.wasman.2013.01.004
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Environmental and technical assessments of the potential utilization of sewage sludge ashes (SSAs) as secondary raw materials in construction

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Cited by 122 publications
(72 citation statements)
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“…However, further industrial wastes such as steel slag [54] and sewage sludge ashes [55] do not suffer from such restricted supply. Consumer wastes such as plastic, glass and ceramics can also be used as secondary aggregates in concrete production [56].…”
Section: Substitution In the Production Of Common Materialsmentioning
confidence: 99%
“…However, further industrial wastes such as steel slag [54] and sewage sludge ashes [55] do not suffer from such restricted supply. Consumer wastes such as plastic, glass and ceramics can also be used as secondary aggregates in concrete production [56].…”
Section: Substitution In the Production Of Common Materialsmentioning
confidence: 99%
“…According to Chen et al [23] mortar strength (compressive and flexural) drops linearly with increasing of the portion of ISSA substituting cement. This effect is explained by two hypotheses: too much water required in mixtures with ash in order to maintain workability and CaO content in ISSA (less than 10 %) that affect the hydraulic properties.…”
Section: Issa Characteristicsmentioning
confidence: 97%
“…Investigations done so far used the leaching tests to determine the concentration of heavy metals in incinerated sewage sludge ash. The results show that in leaching of heavy metals from ISSA most frequently molybdenum (Mo) and selenium (Se) appear in concentrations higher than allowed, while the leaching test of cement mortars showed that no chemical element appeared within limits higher than permitted for classifying of mortar into the "non-hazardous waste" category [2,23].…”
Section: Issa Characteristicsmentioning
confidence: 98%
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“…Una de las ventajas de este sistema es que las cenizas o residuos secundarios obtenidos por los combustibles alternativos se incorporan en el clínker, mientras que en una incineradora las cenizas se deben gestionar por otro lado. Las proporciones de cenizas más adecuadas resultaron ser de un 10% de sustitución de cemento y de un 2% de sustitución de arena (Chen et al, 2013).…”
Section: Gestión De Lodos En Cementeraunclassified