Ecotoxicological evaluation of cork-boiling wastewaters

Ecotoxicology and Environmental Safety
E MendonçaA M Anselmo

Abstract

Toxicity tests with Vibrio fischeri, Daphnia magna, and Lemna minor were used to evaluate acute and chronic toxicity of cork-boiling wastewaters and correlation analysis was performed with physicochemical parameters. Acute toxicity values (EC(50)) ranged from 2.3% to 24.2% in the Microtox test and from 4.4% to 29.5% in the Daphnia test. According to these values, 78% of the samples were classified as acutely toxic to the most sensitive species (V. fischeri). Significant correlation was obtained between EC(50) and chemical oxygen demand, biochemical oxygen demand after 5 days, total organic carbon, tannin and lignin and total solids. No significant correlation was found between the two acute tests. The D. magna chronic test showed significant differences between all tested concentrations and the control, with an EC(50) of 0.32%. An EC(50) value of 26.0% was calculated for L. minor. For the analysis of cork-boiling wastewater toxicity and routine biomonitoring, the use of the Microtox test is suggested, to afford greater environmental protection.

References

Jun 17, 1998·Ecotoxicology and Environmental Safety·C Blaise
Jan 1, 1997·Environmental Pollution·D OrhonE U Cokgör

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Citations

Oct 31, 2008·Environmental Monitoring and Assessment·Ivana TeodorovićBozo Dalmacija
Dec 25, 2010·Environmental Monitoring and Assessment·Catarina R MarquesFernando Gonçalves
Oct 22, 2013·Environmental Science and Pollution Research International·Diane HuybrechtsCaroline Polders
May 23, 2014·Biotechnology for Biofuels·Isabel Paula MarquesFrancesco La Cara
May 20, 2014·Ecotoxicology and Environmental Safety·Xin YuFei Zhang
Dec 5, 2015·FEMS Microbiology Letters·Filipa GonçalvesCristina Almeida-Aguiar
Oct 20, 2010·The Science of the Total Environment·I OllerJ A Sánchez-Pérez
Aug 16, 2016·Environmental Science and Pollution Research International·L Ponce-RoblesS Malato
Nov 24, 2020·Environmental Toxicology and Pharmacology·Nosra MethneniHedi Ben Mansour

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