Decolourization of triphenylmethane dyes and ecotoxicity of their end products

• Autorzy: Zabłocka-Godlewska E. , Przystaś W. , Grabińska-Sota E.

Warianty tytułu

PL

Dekoloryzacja barwników trójfenylometanowych i określenie ekotoksyczności powstałych produktów

• Języki publikacji: EN

Abstrakty

EN

Common usage of dyes is always connected with pollution of surface water deposits. The goal of the research was to investigate the capability of bacteria and fungi as dyes decolourizing agents. The ecotoxicity of decolourization products was tested with Daphnia magna and Lemna minor. According to ACE 89/BE 2/D3 Final Report Commission EC, dye control samples were classified as toxic. High decolourization effectiveness was not always connected with detoxification. Crystal violet was the most difficult dye to remove (27-76% decolourization) and brilliant green, the easiest (62.5-88.6%). Thymol blue and cresol red were easily removed by fungi (>80%) and poorly by bacteria (<30%). Decolourization of these dyes was mostly connected with an increase of toxicity.

PL

Powszechne stosowanie barwników prowadzi do zanieczyszczenia wód powierzchniowych. Celem badań było określenie możliwości dekoloryzacji barwników przez bakterie i grzyby. Ekotoksyczność produktów dekoloryzacji badano na Daphnia magna i Lemna minor. W oparciu o ACE 89/BE 2/D3 Final Report Commission EC próbki kontrolne z barwnikiem zaklasyfikowano jako toksyczne. Wysoka efektywność usunięcia barwnika nie zawsze wiązała się z detoksykacją próbek. Barwnikiem najtrudniej usuwanym był fiolet krystaliczny (usunięcie barwy 27-76%), a najłatwiej - zieleń brylantowa (62.5-88.6%). Błękit tymolowy i czerwień krezolowa były łatwo usuwane przez szczepy grzybowe (>80%), słabo natomiast przez bakterie (<30%). Dekoloryzacja tych barwników wiązała się ze wzrostem toksyczności.

Słowa kluczowe

EN

toxicity; water pollution; dyes; decolourisation; fungi; crystal violets; brillant greens; thymol blue

PL

toksyczność; zanieczyszczenie wód; barwniki; dekoloryzacja; grzyby; fiolet krystaliczny; zieleń brylantowa; błękit tymolowy; czerwień krezolowa

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Environment Protection Engineering
• Rocznik: 2009
• Tom: Vol. 35, nr 1
• Strony: 161--169
• Opis fizyczny: bibliogr. 21 poz.

Twórcy

autor

Zabłocka-Godlewska E.

autor

Przystaś W.

autor

Grabińska-Sota E.

• Environmental Biotechnology Department, Silesian University of Technology, ul. Akademicka 2A, 44-100 Gliwice

Bibliografia

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