Dr. Sara Tominc
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Academic Career Length
7Years (2020-Present)
(Calculated once Scilit publication data is synced: current year − year of first publication + 1)
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Journal Article
Sara Tominc
Vilma DucmanThe concentration of CO2 in the atmosphere is constantly increasing, leading to an increase in the average global temperature and, thus, affecting climate change. Hence, various initiatives have been proposed to mitigate this process, among which CO2 sequestration is a technically simple and efficient approach. The spontaneous carbonation of ashes with atmospheric CO2 is very slow, and this is why accelerated carbonation is encouraged. However, not all ashes are equally suitable for this process, so a methodology to evaluate their potential should be developed. Such a methodology involves a combination of techniques, from theoretical calculations to XRF, XRD, DTA-TG, and the calcimetric determination of the CaCO3 content. The present study followed the approach of exposing ashes to accelerated carbonation conditions (4% v/v CO2, 50–55% and 80–85% RH, 20 °C) in a closed carbonation chamber for different periods of time until the maximum CO2 uptake is reached. The amount of sequestered CO2 was quantified by thermogravimetry. The results show that the highest CO2 sequestration capacity (33.8%) and carbonation efficiency (67.9%) were obtained for wood biomass bottom ash. This method was applied to eight combustion ashes and could serve to evaluate other ashes or comparable carbon storage materials.
Journal Article
Sara TomincVilma DucmanWWWolfgang Wisniewski
Wolfgang WisniewskiEVE V
E VGKGunvor M. Kirkelund
Gunvor M. Kirkelund
Lisbeth Mølgaard M. OttosenThis review provides an overview of methods to extract valuable resources from the ash fractions of sewage sludge, municipal solid waste, and wood biomass combustion. The resources addressed here include critical raw materials, such as phosphorus, base and precious metals, and rare earth elements for which it is increasingly important to tap into secondary sources in addition to the mining of primary raw materials. The extraction technologies prioritized in this review are based on recycled acids or excess renewable energy to achieve an optimum environmental profile for the extracted resources and provide benefits in the form of local industrial symbioses. The extraction methods cover all scarce and valuable chemical elements contained in the ashes above certain concentration limits. Another important part of this review is defining potential applications for the mineral residues remaining after extraction. Therefore, the aim of this review is to combine the knowledge of resource extraction technology from ashes with possible applications of mineral residues in construction and related sectors to fully close material cycle loops.
1 December 2020 in Journal of the European Ceramic Society
Journal Article
Sara TomincARAleksander Rečnik
Aleksander Rečnik
SBSlavko Bernik
Slavko Bernik
MMMatjaž Mazaj
Matjaž Mazaj
MSMatjaž Spreitzer
Matjaž Spreitzer
NDNina Daneu
Nina Daneu
1 February 2020 in Journal of the European Ceramic Society
Journal Article
Sara TomincARAleksander Rečnik
Aleksander Rečnik
SBSlavko Bernik
Slavko Bernik
MMMatjaž Mazaj
Matjaž Mazaj
NDNina Daneu
Nina Daneu
15 July 2025 in Ceramics International
Journal Article
NKNika Kavčič
Nika Kavčič
Sara Tominc
Lea Žibret
Gorazd ŽibretMKMitja Kolar
Mitja Kolar
Vilma Ducman20 November 2025 in Ceramics International
Journal Article
Sara TomincMPMajda Pavlin
Majda PavlinLea ŽibretVDVilma Ducman
Vilma Ducman
LOLisbeth M. Ottosen
Lisbeth M. Ottosen
About Me
Dr Sara Tominc is a Research Associate at the Slovenian National Building and Civil Engineering Institute (ZAG) in Ljubljana, Slovenia, in the Department of Materials, Laboratory for Cement, Mortars and Ceramics. She holds a PhD in Nanoscience and Nanotechnology from the Jožef Stefan International Postgraduate School, where she investigated charge compensation mechanisms, twinning, and microstructure development in doped SnO₂-based ceramics. Her research focuses on materials science, ceramics, mineral carbonation, sustainable construction materials, and the valorisation of industrial by-products and waste. She has expertise in advanced material characterisation techniques, including scanning and transmission electron microscopy, thermal analysis, isothermal calorimetry, and calcimetry. In recent years, her work has focused on carbon sequestration through accelerated mineral carbonation, circular economy approaches, waste-derived construction materials, and the environmental sustainability of building products. Her research has been recognised with national awards for innovative circular economy solutions. Dr Tominc has contributed to numerous national and international research projects and authored several scientific publications in peer-reviewed journals. She also serves as Data Steward for the Department of Materials at ZAG, promoting open science and research data management.