Combined treatment of pyrogenic wastewater from oil shale retortingKlein, Kati; Kattel, Eneliis; Goi, Anna; Kivi, Arthur; Dulova, Niina; Saluste, Alar; Zekker, Ivar; Trapido, Marina; Tenno, TaavoOil shale2017 / p. 82-96 : ill https://doi.org/10.3176/oil.2017.1.06 Unconventional oil contaminated industrial effluent treatment by catalyzed hydrogen peroxide and sodium persulfateDulova, Niina; Kattel, Eneliis; Viisimaa, Marika; Goi, Anna; Klauson, Deniss; Trapido, Marina; Saluste, Alar; Tenno, TaavoProceedings of the 7th International Conference on Environmental Science and Technology, June 9-13, 2014, Houston, Texas, USA2014 / p. 262-268