Leachability of heavy metals from autoclaved fly ash-lime building bricks

Tanriverdi, Mehmet; Şen, Gul Akar; Cicek, Tayfun; Şen, Sezai; Onel, Oznur

doi:10.29227/IM-2021-01-09

Artykuł - szczegóły

Tytuł artykułu

Leachability of heavy metals from autoclaved fly ash-lime building bricks

Autorzy

Tanriverdi Mehmet , Şen Gul Akar , Cicek Tayfun , Şen Sezai , Onel Oznur

Treść / Zawartość

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Identyfikatory

DOI

10.29227/IM-2021-01-09

Warianty tytułu

Wymywalność metali ciężkich z autoklawizowanych cegieł z popiołu lotnego i wapna

Języki publikacji

Abstrakty

The fly ash as a byproduct of coal-fired power plants constitutes vital ecological problems. In Turkey, approximately 15 million tons of ashes are generated via the combustion of 40 million tons of lignite yearly. Worldwide, a number of investigation and applications were undertaken to utilize fly ash in order to overcome the environmental problems. One of the application area of fly ashes is the production of building bricks. Characterization of fly ash samples from Seyitomer and Yatagan coal-firing power plants were conducted in this study. TCLP 1311, ASTM3987-85 and EN 12457-2 leaching tests on the cylindrical fly ash/lime brick (FA/LB) samples which were produced from Seyitomer and Yatagan thermal power plant fly ash-lime mixtures were performed to determine the leachability of some chosen trace elements. e results show that the release of all trace elements was lower than the hazardous material limit values of waste acceptance. us, non- fired fly ash bricks are an advantageous way to solving environmental effect of disposal of fly ashes.

Popiół lotny jako uboczny produkt spalania w elektrowniach węglowych stanowi istotny problem ekologiczny. W Turcji w wyniku spalania 40 mln ton węgla brunatnego rocznie powstaje około 15 mln ton popiołów. Na całym świecie podjęto szereg badań w celu wykorzystania popiołu lotnego w celu przezwyciężenia problemów środowiskowych. Jednym z obszarów zastosowania popiołów lotnych jest produkcja cegieł budowlanych. W pracy przedstawiono wyniki badania charakterystyki próbek popiołu lotnego z elektrowni węglowych Seyitomer i Yatagan. Przeprowadzono testy ługowania wybranych pierwiastków śladowych, zgodnie z normami TCLP 1311, ASTM3987-85 i EN 12457-2 na cylindrycznych próbkach popiołu lotnego/ cegieł wapiennych (FA / LB), które zostały wyprodukowane z mieszanek popiołu lotnego i wapna w elektrowniach Seyitomer i Yatagan. Wyniki pokazują, że uwalnianie wszystkich pierwiastków śladowych było niższe niż dopuszczalne wartości dla materiałów niebezpiecznych. Zatem niewypalane cegły z popiołu lotnego są korzystnym sposobem rozwiązania problemu środowiskowego wpływu usuwania popiołów lotnych.

Słowa kluczowe

coal fly ash fly ash/lime brick leaching trace elements

popiół lotny z węgla popiół lotny/cegła wapienna ługowanie pierwiastki śladowe

Wydawca

Polskie Towarzystwo Przeróbki Kopalin

Czasopismo

Inżynieria Mineralna

Rocznik

2021

Tom

no. 1

Strony

67--74

Opis fizyczny

Bibliogr. 49 poz., rys., zdj.

Twórcy

autor

Tanriverdi Mehmet

Dokuz Eylul University, Faculty of Engineering, Dept. of Mining Engineering, Tınaztepe Campus, 35160, Buca–Izmir, Turkey

autor

Şen Gul Akar

gul.akar@deu.edu

Dokuz Eylul University, Faculty of Engineering, Dept. of Mining Engineering, Tınaztepe Campus, 35160, Buca–Izmir, Turkey

autor

Cicek Tayfun

Dokuz Eylul University, Faculty of Engineering, Dept. of Mining Engineering, Tınaztepe Campus, 35160, Buca–Izmir, Turkey

autor

Şen Sezai

Dokuz Eylul University, Faculty of Engineering, Dept. of Mining Engineering, Tınaztepe Campus, 35160, Buca–Izmir, Turkey

autor

Onel Oznur

Virginia Polytechnic Institute and State University, Dept. of Mining Engineering, Blacksburg, Virginia, United States

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).

Typ dokumentu

Bibliografia

Identyfikator YADDA

bwmeta1.element.baztech-ef7626e2-1cfa-4ca6-812e-2b28f201b203