| Issue |
E3S Web Conf.
Volume 17, 2017
9th Conference on Interdisciplinary Problems in Environmental Protection and Engineering EKO-DOK 2017
|
|
|---|---|---|
| Article Number | 00025 | |
| Number of page(s) | 8 | |
| DOI | https://doi.org/10.1051/e3sconf/20171700025 | |
| Published online | 24 May 2017 | |
Possible Co-fermentation of Water and Sewage Sludge
University of Technology, Department of Environmental Engineering, 24 Warszawska, Cracow 31–155, Poland
* Corresponding author: justynagrka@gmail.com
The article describes problems related to intensification of energy production at a wastewater treatment plant. The authors analyzed anaerobic co-digestion of sludge from both water treatment plant and sewage treatment plant. Water sludge is produced during coagulation, ozonation and backwashing of rapid anthracite filters. Its characteristic and properties depend on a raw water quality, treatment methods as well as types of chemicals used and their doses. According to the Polish Act of 4 December 2012 (Journal of Laws from 2013, item 21) the water sludge should be treated as hazardous waste. An alternative way to dispose water sludge and reduce its volume may be sludge reuse. The authors suggested a research methodology and analyzed the preliminary results, which showed that co-digestion of sewage and water sludge enhanced biogas production. The authors assume that the results of the study will provide a basis for development of methodology for sludge control and disposal.
© The Authors, published by EDP Sciences, 2017
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.
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