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Published: Građevinar 70 (2018) 4
Paper type: Original scientific paper
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Management of sewage sludge – new possibilities involving partial cement replacement

Domagoj Nakić, Dražen Vouk, Nina Štirmer, Marijana Serdar

Abstract

An increasing trend of sludge generation at wastewater treatment plants (WWTP) has been observed in developing countries like Croatia. Thermal processing of sewage sludge facilitates its further management, although ash is generated as new waste in the process. The proposed approach, while eliminating the need to dispose ash at non-hazardous waste disposal sites, directly reduces not only the sludge and ash disposal costs, but also the raw cement production costs. All analysed technical and environmental requirements are met when 20 % of cement is replaced with ash.

Keywords
sludge from wastewater treatment plants, ash, incineration, cement, strength, leaching

HOW TO CITE THIS ARTICLE:

Nakić, D., Vouk, D., Štirmer, N., Serdar, M. .: Management of sewage sludge – new possibilities involving partial cement replacement, GRAĐEVINAR, 70 (2018) 4, pp. 277-286, doi: https://doi.org/10.14256/JCE.2164.2017

OR:

Nakić, D., Vouk, D., Štirmer, N., Serdar, M. . (2018). Management of sewage sludge – new possibilities involving partial cement replacement, GRAĐEVINAR, 70 (4), 277-286, doi: https://doi.org/10.14256/JCE.2164.2017

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Creative Commons License
This paper is licensed under a Creative Commons Attribution 4.0 International License.
Authors:
Domagoj Nakic WEB
Domagoj Nakić
University of Zagreb
Faculty of Civil Engineering
Vouk Drazen
Dražen Vouk
University of Zagreb,
Faculty of Civil Engineering
STIRMEr WEB
Nina Štirmer
University of Zagreb,
Faculty of Civil Engineering,
Department of Materials
SERDAR WEB
Marijana Serdar
University of Zagreb
Faculty of Civil Engineering