Granulation of oil shale ashes and leachability of granulated productsKaljuvee, Tiit; Loide, Valli; Einard, Marve; Jefimova, Jekaterina; Kuusik, Rein, keemikInternational Symposium "Oil shale 100 years" : Estonia, Sept. 20-23, 2016 : [abstracts]2016 / p. 51

Granulation of oil shale ashes for neutralizing of acidic soilsKaljuvee, Tiit; Jefimova, Jekaterina; Loide, Valli; Uibu, Mai; Einard, Marve; Kuusik, Rein, keemikInternational IX Oil Shale Conference 2017 "Oil Shale Industry in Circular Economy" : 15th-16th November 2017, [Jõhvi], Ida-Viru County, Estonia : summary2017 / p. 16-17 http://www.ester.ee/record=b4751282*est

Influence of the post-granulation treatment on the thermal behaviour and leachability characteristics of Estonian oil shale ashesKaljuvee, Tiit; Jefimova, Jekaterina; Loide, Valli; Uibu, Mai; Einard, MarveJournal of thermal analysis and calorimetry2018 / p. 47–57 : ill https://doi.org/10.1007/s10973-017-6875-2 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Influence of the post-granulation treatment on the thermal behaviour of Estonian oil shale ashesKaljuvee, Tiit; Jefimova, Jekaterina; Loide, Valli; Uibu, Mai; Einard, Marve; Kuusik, Rein, keemikJTACC+V4 : 1st Journal of Thermal Analysis and Calorimetry Conference and 6th V4 (Joint Czech-Hungarian-Polish-Slovakian) Themoanalytical Conference: Budapest Hungary, June 6-9, 2017 : Book of Abstracts2017 / p. 105 https://static.akcongress.com/downloads/jtacc/jtacc2017-book-of-abstracts.pdf

Influence of waste products from electricity and cement industries on the thermal behaviour of Estonian clay from Kunda depositKaljuvee, Tiit; Štubna, Igor; Hulan, Tomaš; Csaki, Štefan; Uibu, Mai; Jefimova, Jekaterina12th European Symposium on Thermal Analysis and Calorimetry ESTAC 12 : 27-30 August 2018, Brasov, Romania : book of abstracts2018 / OP1.19, p. 75 http://estac12.org/download.php?f=../download/BoA%20ESTAC12.pdf

Influence of waste products from electricity and cement industries on the thermal behaviour of Estonian clay from Kunda depositKaljuvee, Tiit; Štubna, Igor; Hulan, Tomaš; Csaki, Štefan; Uibu, Mai; Jefimova, JekaterinaJournal of thermal analysis and calorimetry2019 / p. 2635–2650 : ill https://doi.org/10.1007/s10973-019-08319-0 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Leaching behaviour of Estonian oil shale ash-based construction mortarsIrha, Natalja; Uibu, Mai; Jefimova, Jekaterina; Raado, Lembi-Merike; Hain, Tiina; Kuusik, Rein, keemikOil shale2014 / p. 394-411 : ill https://artiklid.elnet.ee/record=b2704135*est

Leaching of PAHs from agricultural soils treated with oil shale combustion ash : an experimental studyJefimova, Jekaterina; Adamson, Jasper; Reinik, Janek; Irha, NataljaEnvironmental science and pollution research2016 / p. 20862-20870 : ill http://dx.doi.org/10.1007/s11356-016-7300-2

Leaching of polycyclic aromatic hydrocarbons (PAHs) and heavy metals from the oil shale processing wastes and from waste-based productsJefimova, Jekaterina2015

PAHs in leachates from thermal power plant wastes and ash-based construction materialsIrha, Natalja; Reinik, Janek; Jefimova, Jekaterina; Koroljova, Arina; Raado, Lembi-Merike; Hain, Tiina; Uibu, Mai; Kuusik, Rein, keemikEnvironmental science and pollution research2015 / p. 11877-11889 : ill

Release of trace elements from oil shale fly ash of PF and CFB boilersReinik, Janek; Irha, Natalja; Jefimova, Jekaterina; Steinnes, EilivInternational Symposium "Oil shale 100 years" : Estonia, Sept. 20-23, 2016 : [abstracts]2016 / p. 25

Study of thermooxidation of oil shale samples and basics of processes for utilization of oil shale ashesKaljuvee, Tiit; Uibu, Mai; Yörük, Can Rüstü; Einard, Marve; Trikkel, Andres; Kuusik, Rein, keemik; Trass, Olev; Štubna, Igor; Hulan, Tomaš; Loide, Valli; Jefimova, JekaterinaMinerals2021 / at. 193 https://doi.org/10.3390/min11020193 Journal metrisc at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Thermal behavior of ceramic bodies based on Estonian clay from the Arumetsa deposit with oil shale ash and clinker dust additivesKaljuvee, Tiit; Uibu, Mai; Einard, Marve; Traksmaa, Rainer; Viljus, Mart; Jefimova, Jekaterina; Trikkel, AndresProcesses2022 / art. 46 https://doi.org/10.3390/pr10010046 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Thermal behaviour of ceramic bodies based on Estonian clay from Arumetsa deposit with oil shale ash or/and clinker dust additivesKaljuvee, Tiit; Štubna, Igor; Hulan, Tomaš; Uibu, Mai; Einard, Marve; Traksmaa, Rainer; Viljus, Mart; Jefimova, Jekaterina; Trikkel, AndresICTAC 2020 : 17th International Congress on Thermal Analysis and Calorimetry : 8th Joint Czech-Hungarian-Polish-Slovakian Thermoanalytical Conference (V4 8) : 14th Conference on Calorimetry and Thermal Analysis of the Polish Society of Calorimetry and Thermal Analysis (CCTA 14), online conference, [Kraków], 29 August - 2 September 2021 : e-book of abstracts, 20212021 / p. 68 https://cris.vub.be/ws/portalfiles/portal/74787050/_e_Book_of_Abstracts_ICTAC2020.pdf

Thermal behaviour of Estonian phosphorites from different depositsKaljuvee, Tiit; Tõnsuaadu, Kaia; Traksmaa, Rainer; Einard, Marve; Jefimova, Jekaterina; Petkova, Vilma2nd Journal of Thermal Analysis and Calorimetry Conference, Budapest, June    18–21, 2019 : book of abstracts2019 / p. 134-135 https://jtac-jtacc.akcongress.com/

Thermal behaviour of Estonian phosphorites from different depositsKaljuvee, Tiit; Tõnsuaadu, Kaia; Traksmaa, Rainer; Einard, Marve; Jefimova, Jekaterina; Petkova, VilmaJournal of thermal analysis and calorimetry2020 / p. 437-449 https://doi.org/10.1007/s10973-019-09056-0 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Treatment of oil shale processing wastesJefimova, JekaterinaInternational IX Oil Shale Conference 2017 "Oil Shale Industry in Circular Economy" : 15th-16th November 2017, [Jõhvi], Ida-Viru County, Estonia : summary2017 / p. 36 http://www.ester.ee/record=b4751282*est