Effect of biological treatment on genotoxicity of industrial wastewaters: root tips Vicia faba assay

• Autorzy: Wiszniowski, J. , Sindera, P. , Duquesnoy, I. , Surmacz-Górska, J.
• Języki publikacji: EN

Abstrakty

EN

Industrial wastewater effluents are potential source of hazardous pollutants that are discarded into the watercourses, hence they pose a serious threat to aquatic organisms as well as human health. Identifying genotoxic substances in industrial effluents can minimize the risk of exposure to these compounds, which are suspected to have carcinogenic properties. In the present studies, the phytotoxic and genotoxic effects of wastewater obtained from fertilizer factory were investigated in Vicia faba root cells of hydroponic culture. The toxicity tests of crude wastewaters indicated an important fluctuation (seasonal differences) of mutagenic compounds among the different periods of the chemical operation. Moreover, the mutagenic profile was also assessed for biologically treated wastewaters in laboratory scale models fed with wastewater effluent from the fertilizer factory. The results proved that after biological treatment, the genotoxcity of treated effluent significantly decreased in comparison to untreated wastewaters.

PL

Ścieki przemysłowe są potencjalnym źródłem szkodliwych zanieczyszczeń odprowadzanych do wód płynących, przez co stanowią zagrożenie dla organizmów wodnych jak również dla ludzi. Monitoring substancji genotoksycznych w ściekach przemysłowych może ograniczyć ryzyko ekspozycji na te związki. W ramach przeprowadzonych badań oceniono fitotoksyczny i genotoksyczny wpływ ścieków przemysłowych pochodzących z zakładów produkujących nawozy sztuczne na korzenie rośliny Vicia faba w kulturach hydroponicznych. Testy genotoksyczności wskazały dużą zmienność potencjalnej mutagenności ścieków surowych. Jednocześnie oceniona została mutagenność ścieków po procesie biologicznego oczyszczania, który był prowadzony w skali laboratoryjne, w modelowym systemie zasilanym ściekami przemysłowymi. Badania wykazały znaczące obniżenie się genotoksyczności ścieków po procesie biologicznego oczyszczania, w stosunku do ścieków nieoczyszczonych.

Słowa kluczowe

PL

indeks mitotyczny; mikrojądra; fitotoksyczność; osad czynny; ścieki przemysłowe

EN

mitotic index; micronuclei; phytotoxicity; activated sludge; industrial effluents

• Czasopismo: Architecture Civil Engineering Environment
• Rocznik: 2009
• Tom: Vol. 2, no. 4
• Strony: 137-143
• Opis fizyczny: Bibliogr. 34 poz.

Twórcy

autor

Wiszniowski, J.

autor

Sindera, P.

autor

Duquesnoy, I.

autor

Surmacz-Górska, J.

• Faculty of Energy and Environmental Engineering, Silesian University of Technology, Akademicka 2, 44-100, Gliwice, Poland,

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