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 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

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

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