Exergetisch hochwertige Nutzung von Klärschlamm

Translated title of the contribution: High-value exergetic utilization of sewage sludge

Bernhard Schmid

Research output: ThesisMaster's Thesis


Wastewater treatment plants rank amongst the largest municipal power consumers, yet produce energy-rich residues, which represent an enormous energy potential. During the purification process a big amount of sewage sludge accrues, which can be exploited for thermal utilization, after it has undergone suitable treatment. Hence it is possible to regain electricity and heat to increase the level of self-sufficiency of the purification plant. By creating a calculation model, it is possible to compare different variations of treatment plants, establish energy balances and draw conclusions on the best combination of sewage works and sludge utilization. Based on the usage of digester gas, which occurs in anaerobic stabilizing waste water treatment plants, a high production of electricity can be achieved in comparison to other procedures of wastewater treatment. By means of additional incineration or gasification of digested sludge, a large share of the heat and electricity demand of the sewage plant can be covered.
Translated title of the contributionHigh-value exergetic utilization of sewage sludge
Original languageGerman
  • Kienberger, Thomas, Supervisor (internal)
  • Pfleger-Schopf, Kerstin, Co-Supervisor (internal)
Award date21 Oct 2016
Publication statusPublished - 2016

Bibliographical note

embargoed until null


  • Sewage sludge
  • utilization of sewage sludge
  • purification plant
  • sewage plant
  • waste water purification plant
  • sewage works
  • combined energy system
  • energy network

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