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Treatment of Real Textile Wastewater by Using Potassium Ferrate(VI) and Fe(III)/H2O2. Application of Aliivibrio Fischeri and Brachionus plicatilis Tests for Toxicity Assessment

Research and development

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Nr DOI: 10.5604/01.3001.0013.0746

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Abstract:

The paper presents the possibility of applying combined chemical oxidation processes using potassium ferrate(VI) (K2FeO4) and Fe(III)/H2O2 for the treatment of real wastewater from the textile industry characterised by an increased content of organic substances (COD = 1920 mg O2/l). The use of both processes under optimal conditions included the use of the RSM method (Response Surface Methodology) in order to make it possible to decrease the COD of the wastewater by 75.4% (final COD = 472 mg O2/l). The toxicity of wastewater treated under the most favourable conditions, determined using two test organisms (Aliivibrio fischeri and Brachionus plicatilis), decreased by 33 and 45%, respectively. In some cases the method described can be used on a larger scale.

Tags:

potassium ferrate(VI), textile wastewater, Fenton-like reaction, toxicity assessment.

Citation:

Thomas M, Zdebik D. Treatment of Real Textile Wastewater by Using Potassium Ferrate(VI) and Fe(III)/H2O2. Application of Aliivibrio fischeri and Brachionus plicatilis Tests for Toxicity Assessment. FIBRES & TEXTILES in Eastern Europe 2019; 27, 3(135): 78-84. DOI: 10.5604/01.3001.0013.0746

Published in issue no 3 (135) / 2019, pages 78–84.

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