This thesis aims to contribute to the field of wastewater sustainable management by evaluating the methods for sewage sludge utilization, while identifying the emerging ones.
ABSTRACT
In the introduction, the initial data for sludge management in Greece and on international level are presented, while in the second chapter the European and Greek legislation regarding the utilization of sludge is analyzed.
The methodology followed is: firstly, the SWOT analysis of each sludge treatment technology is presented while being evaluated by certain qualitative criteria. The selected treatment option is analyzed further on economic as well as on energy efficiency basis. The study concludes by discussing the future role that pyrolysis process may have for the integrated treatment of sludge in Greece.
The most up to date literature review concerning sewage sludge treatment and disposal methods is presented in chapter three. Finally, the emerging technologies for sludge management are identified as well as the decision making tools are described.
At this point I would like to say a few words about the people who helped me during the preparation of my dissertation.
First of all, I would like to thank Mrs A. Zabaniotou, Associate Professor in Department of Chemical Engineering AUTH, for the assignment of the thesis and her valuable supervision. With her wide level of knowledge and the willingness to address my problems helped greatly in the completion of this study.
Also, I am grateful to Mrs G. Manara, PhD student of AUTH in the group of Professor A. Zabaniotou
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