Fly ash from sewage sludge as a component of concrete mix resistant to environmental influence

• Autorzy: Rutkowska Gabriela , Żółtowski Mariusz , Ogrodnik Paweł

Identyfikatory

DOI

10.17402/587

• Języki publikacji: EN

Abstrakty

EN

The restrictions on carbon dioxide emissions introduced by the European Union encourage experimental work on new-generation materials containing smaller amounts of clinker. At present, silica fly ashes from the combustion of hard coal are widely used in the technology of cement and concrete in Europe and Poland. This research aims to assess the physical and chemical properties of fly ashes from the thermal treatment of sewage sludge for use in concrete technology in relation to applicable standards and determine their impact on the natural environment. The established concentrations of heavy metals are below the maximum values required when discharging sewage into the ground or waters and also meet the necessary leaching limits when inert waste is allowed to be landfilled and on substances particularly harmful to the aquatic environment. On this basis, it was found that the migration of heavy metals from concrete with the addition of ashes to the water environment is insignificant and should not be a major problem. In addition, the tests showed that the activity index did not exceed the limit value.

Słowa kluczowe

EN

fly ash; sewage sludge; heavy metals; gamma ionizing radiation; environmental protection

• Wydawca: Wydawnictwo Naukowe Politechniki Morskiej w Szczecinie
• Czasopismo: Zeszyty Naukowe Politechniki Morskiej w Szczecinie
• Rocznik: 2023
• Tom: nr 76 (148)
• Strony: 65--72
• Opis fizyczny: Bibliogr. 38 poz., rys., tab.

Twórcy

autor

Rutkowska Gabriela

• Warsaw University of Life Sciences, Institute of Civil Engineering 166 Nowoursynowska St., 02-787 Warszawa, Poland

• https://orcid.org/0000-0003-1047-6195

autor

Żółtowski Mariusz

• Warsaw University of Life Sciences, Institute of Civil Engineering 166 Nowoursynowska St., 02-787 Warszawa, Poland

• https://orcid.org/0000-0003-0305-2378

autor

Ogrodnik Paweł

• Warsaw University of Life Sciences, Institute of Civil Engineering 166 Nowoursynowska St., 02-787 Warszawa, Poland

• https://orcid.org/0000-0003-3515-8505

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2024).