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Title: ANALYSIS OF HEAVY METALS CONTAMINATION RISK OF BIOMASS ASH MADE OF CALCINED MUNICIPAL SEWAGE SLUDGE
ANALYSIS OF HEAVY METALS CONTAMINATION RISK OF BIOMASS ASH MADE OF CALCINED MUNICIPAL SEWAGE SLUDGE

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Adam Pivak; Martina Zaleska; Milena Pavlikova; Ondrej Jankovsky; Zbysek Pavlik
10.5593/sgem2023/6.1/s26.32
10.5593/sgem2023/6.1
1314-2704
978-619-7603-61-3
English
23
6.1
•    Prof. DSc. Oleksandr Trofymchuk, UKRAINE 
•    Prof. Dr. hab. oec. Baiba Rivza, LATVIA
Green Buildings Technologies and Materials
In a view of the sustainable development principles, the development of advanced lowcarbon building materials represents one of the most important issues in the construction industry. To follow the current trends in research and development of building materials, special attention is paid to the reuse of all kinds of waste and industrial byproducts. One of the serious problems of today’s society is the huge production of sewage sludge from waste water treatment and its disposal. As one of the promising ways of sewage sludge disposal is incineration, there is a need to study biomass ash, its environmental hazards and further use in industrial applications. In this paper, the heavy metal contamination of biomass ash is analysed together with its chemical and phase composition, reactivity, microstructure and morphology. As the biomass ash was found to be pozzolana active, it was admixed to cement mortar, and the structural and mechanical parameters of this material were tested. The use of biomass had no negative effect on the properties of the cement mortar. Since the content of heavy metals in the biomass ash was safely below the valid limits, and the water-soluble salts were immobilised in the blended cement matrix, the biomass ash studied was classified among the alternative low-carbon pozzolans applicable in the development of eco- and energy-efficient construction products.
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Authors greatly acknowledge the financial support received from the Czech Science Foundation under project No 23-04744S - Research of heavy metals immobilization in alternative low-carbon composites. The presentation of research results at SGEM 2023 was supported by the Grant Agency of the Czech Technical University in Prague under project No SGS23/149/OHK1/3T/11 - Research and development of high performance building composites.
conference
https://doi.org/10.5593/sgem2023/6.1/s26.32
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Proceedings of 23rd International Multidisciplinary Scientific GeoConference SGEM 2023
23rd International Multidisciplinary Scientific GeoConference SGEM 2023, 03 - 09 July, 2023
Proceedings Paper
STEF92 Technology
International Multidisciplinary Scientific GeoConference SGEM
SWS Scholarly Society; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Serbian Acad Sci and Arts; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; European Acad Sci, Arts and Letters; Acad Fine Arts Zagreb Croatia; Croatian Acad Sci and Arts; Acad Sci Moldova; Montenegrin Acad Sci and Arts; Georgian Acad Sci; Acad Fine Arts and Design Bratislava; Turkish Acad Sci.
257-264
03 - 09 July, 2023
website
9244
sewage sludge disposal, calcination, biomass ash, heavy metals, leaching, cement composite