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Utilization of pulverized fuel ash in Malta

Camilleri, Josette ; Sammut, Michael ; Montesin, Franco E

Waste management (New York, N.Y.), 2006, Vol.26(8), pp.853-60 [Tạp chí có phản biện]

ISSN: 0956-053X ; PMID: 16434175 Version:1

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  • Nhan đề:
    Utilization of pulverized fuel ash in Malta
  • Tác giả: Camilleri, Josette ; Sammut, Michael ; Montesin, Franco E
  • Chủ đề: Construction Materials ; Power Plants ; Industrial Waste -- Analysis
  • Là 1 phần của: Waste management (New York, N.Y.), 2006, Vol.26(8), pp.853-60
  • Mô tả: In Malta all of the waste produced is mixed and deposited at various sites around the island. None of these sites were purpose built, and all of the waste is above groundwater level. The landfills are not engineered and do not contain any measures to collect leachate and gases emanating from the disposal sites. Another waste, which is disposed of in landfills, is pulverized fuel ash (PFA), which is a by-product of coal combustion by the power station. This has been disposed of in landfill, because its use has been precluded due to the radioactivity of the ashes. The aim of this study was to analyze the chemical composition of the pulverized fuel ash and to attempt to utilize it as a cement replacement in normal concrete mixes in the construction industry. The levels of radiation emitted from the ashes were measured by gamma spectrometry. The results of this study revealed that although at early ages cement replacement by PFA resulted in a reduction in compressive strength (P=0), when compared...
  • Ngôn ngữ: English
  • Số nhận dạng: ISSN: 0956-053X ; PMID: 16434175 Version:1

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