Energy Efficiency Improvement of Wastewater Treatment Processes using Process Integration Techniques

Synthesis Report for the ERTDI-funded project: 2005-ET-DS-21-M3

Summary: STRIVE Report 14 - Toshko Zhelev et al.

Published: 2008

ISBN: 978-1-84095-019-9

Pages: 31

Filesize: 731KB

Format: pdf

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This project contributes to the area of energy management of waste-water treatment processes. An important goal is the improvement of the cost attractiveness of waste-water treatment facilities while maintaining a high level of efficiency. The chosen means of achieving this goal is through application of the energy integration concept. Killarney Waste-Water Treatment Plant (WWTP), and in particular its sludge treatment section, was chosen as a case study for the aerobic treatment investigation. This choice was supported by the fact that the Autothermal Thermophilic Aerobic Digestion (ATAD) type of sludge treatment used in Killarney is quite suitable for average-size settlements, but is energy intensive compared with other treatment concepts. The project succeeded in proving the following hypothesis – that energy efficiency can be improved by applying heat integration principles.

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