Journal of environmental science and health. Part A, Toxic/hazardous substances & environmental engineering · 2018
Treatment of a textile effluent by adsorption with cork granules and titanium dioxide nanomaterial.
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Castro Margarida, Nogueira Verónica, Lopes Isabel, Vieira Maria N, Rocha-Santos Teresa, Pereira Ruth
Аннотация
This study aimed to explore the efficiency of two adsorbents, cork granules with different granulometry and titanium dioxide nanomaterial, in the removal of chemical oxygen demand (COD), colour and toxicity from a textile effluent. The adsorption assays with cork were unsatisfactory in the removal of chemical parameters however they eliminated the acute toxicity of the raw effluent to Daphnia magna. The assay with TiO2 NM did not prove to be efficient in the removal of colour and COD even after 240 min of contact; nevertheless it also reduced the raw effluent toxicity. The best approach for complete remediation of the textile effluent has not yet been found however promising findings were achieved, which may be an asset in future adsorption assays.