engleski

Bioengineering approach for bioremediation of pharmaceutical wastewater

The increasing use of pharmaceuticals in modern society is accompanied by their disposal into the environment. The presence of new contaminants derived from pharmaceuticals in water bodies, even at low concentrations, may pose a long-term risk to human health and aquatic ecosystems [1]. A bioremediation technique aims to treat xenobiotics through microbial transformation so that the water becomes less toxic and more stable than its original polluted state [2]. Microbial degradation involves the use of microorganisms and their associated unique enzyme systems to break down, degrade, detoxify or transform environmental pollutants [3]. In this work, bioremediation of real pharmaceutical wastewater was carried out, involving the processes of biosorption and biodegradation of organic pollutants using activated sludge. The biosorption experiment was carried out to study the binding of pollutants from the wastewater to the cellular structure of the activated sludge. Langmuir's model showed good agreement with the experimental data, with the value of F-test = 0.97±0.01. Based on the values of the estimated model parameters and the evaluation of the acceptability of the model, it can be concluded that the model Endo-Haldane can well describe the biodegradation of pharmaceutical wastewater with activated sludge (F-test = 0.96±0.02).

bioremediation, pharmaceutical wastewater

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