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SM ISO690:2012 PORUBIN, Veronica. Influenţa agenţilor auxiliari asupra proceselor de epurare a apelor reziduale textile de colorantul AAD71. In: Analele Ştiinţifice ale Universităţii de Stat din Moldova: . Științe ale naturii și exacte. Științe economice, 26 septembrie 2016, Chișinău. Chișinău, Republica Moldova: Centrul Editorial-Poligrafic al USM, 2016, SNE, SE, pp. 45-48. ISBN 978-9975-71-682-6. ISSN 1857-2588. |
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Analele Ştiinţifice ale Universităţii de Stat din Moldova SNE, SE, 2016 |
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Conferința "Analele ştiinţifice ale USM. Științe ale naturii și exacte. Științe economice" Chișinău, Moldova, 26 septembrie 2016 | ||||||
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Experimental studies were conducted to reduce the concentration of model systems, which contain direct dye AAD71, dispersing agent NaLS and Ethyleneglycol EGI, subjected to filtration through non-destructive methods as follows: coagulation, electroflotation, electro photocoagulation and absorption on activated carbon; and destructive methods as oxidation/photooxidation with Fenton's reagent and photo-oxidation with titanium oxide. The main proposed objective was reducing the concentration of pollutants from the model systems with dye concentration 200 mg/l,dispersant concentration 60 mg/l, and ethylene glycol dispersant 60 mg/l respectively, to admissible norms for discharge into water basins. According to the research results, it was found that the most efficient method for simple and complex model systems, is coagulation [Al 2 (SO4) 3] = 0.1M followed by adsorption on activated carbon, behind which were obtained values of COD -CR about 95% and the effect of fading can reach up to 100%. |
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