| Issue |
E3S Web Conf.
Volume 30, 2018
The First Conference of the International Water Association IWA for Young Scientist in Poland “Water, Wastewater and Energy in Smart Cities”
|
|
|---|---|---|
| Article Number | 02003 | |
| Number of page(s) | 8 | |
| Section | Wastewater | |
| DOI | https://doi.org/10.1051/e3sconf/20183002003 | |
| Published online | 06 February 2018 | |
A comparative analysis of selected wastewater pretreatment processes in food industry
Faculty of Civil and Environmental Engineering, Poznan University of Technology, 5 Piotrowo, 60-965 Poznan, Poland
* Corresponding author: katarzyna.jaszczyszyn@put.poznan.pl
The article presents a comparative analysis of the classical coagulation with the iron sulphate and adsorption on bentonite for the pretreatment of wastewater in the food industry. As a result of the studies, chemical oxygen demand (COD) and total nitrogen (TN) reduction were found to be comparable in both technologies, and a 29% higher total phosphorus removal efficiency by the coagulation was observed. After the coagulation and adsorption processes, a significant difference between mineral and organic fraction in the sludge was found (49% and 51% for bentonite and 28% and 72% for iron sulphate, respectively).
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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