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Assessment of the Quality of Wastewater Generated During Production at a Tannery Plant
 
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Białystok University of Technology, ul. Wiejska 45a, 15-351 Białystok, Poland
 
 
Data publikacji: 01-05-2022
 
 
Autor do korespondencji
Katarzyna Ignatowicz   

Białystok University of Technology, ul. Wiejska 45a, 15-351 Białystok, Poland
 
 
J. Ecol. Eng. 2022; 23(5):109-115
 
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STRESZCZENIE
The aim of the study was to determine the composition of wastewater generated in a small tannery plant in the Podlaskie Province at different stages of the technological process. Since the plant uses chromium salts for the actual tanning process and the resulting wastewater is separated into two streams, it was possible to determine the content of chromium and other pollutants in the wastewater at different stages of the production processes. This allowed us to evaluate the biodegradability of the wastewater produced during production, the concentration of chromium compounds and other contaminants. Based on the results obtained, the wastewater generated during the production process was found to be non-biodegradable (except for the mixed wastewater) with chromium concentrations of 2.0-2.46 g/dm3.
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