Activation and reactivity of Estonian oil shale cyclone ash towards SO2 bindingKaljuvee, Tiit; Trass, Olev; Pihu, Tõnu; Konist, Alar; Kuusik, Rein, keemikJournal of thermal analysis and calorimetry2015 / p. 19-28 : ill http://dx.doi.org/10.1007/s10973-014-4308-z Activation of oil shale ashes for sulfur captureTrass, Olev; Kuusik, Rein, keemik; Kaljuvee, TiitOil shale2018 / p. 375-385 : ill http://www.kirj.ee/public/oilshale_pdf/2018/issue_4/OS-2018-4-375-385.pdf https://doi.org/10.3176/oil.2018.4.07 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS