| 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 | 02007 | |
| Number of page(s) | 6 | |
| Section | Wastewater | |
| DOI | https://doi.org/10.1051/e3sconf/20183002007 | |
| Published online | 06 February 2018 | |
Effect of organic nitrogen concentration on the efficiency of trickling filters
1
Ekofinn-Pol Ltd, ul. Leśna 12, 80-297 Banino, POLAND
2
Gdansk University of Technology, Faculty of Civil and Environmental Engineering, Narutowicza 11/12, 80-233 Gdansk, POLAND
3
Departamento de Ingeniería Química. Instituto de Tecnologías Química y Medioambiental, Universidad de Castilla-La Mancha, Avda. Camilo José Cela s/n. 13004 Ciudad Real
* Corresponding author: lk@ekofinn.pl
The study was conducted in Poland at six selected wastewater treatment plants (WWTP) based on the trickling filters Bioclere® technology. The aim of the study was to find the relationship between the influent organic nitrogen concentration and the purification efficiency expressed as effluent COD concentration. In the tests performed, the COD to BOD5 relationship was close to 2 and the ratio of BOD5 to TN was lower than 4. The research indicated that this specific chemical composition of raw wastewater causes appearance of filamentous bacteria on the surface of trickling filter filling and strongly affect the effluent quality.
© 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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