Applying the correction for undecomposed carbonates to gross calorific values of oil shales from different depositsPihl, Olga; Tšepelevitš, Maria; Burko, Maria; Siirde, AndresOil shale2019 / p. 250–256 : ill http://www.kirj.ee/public/oilshale_pdf/2019/issue_2S/OS-2019-2S-250-256.pdf https://doi.org/10.3176/oil.2019.2S.13 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Co-pyrolysis of Estonian oil shale with polymer wastesPihl, Olga; Khaskhachikh, Vladimir; Kravetskaja, Julia; Niidu, Allan; Siirde, AndresACS omega2021 / p. 31658–31666 : ill https://doi.org/10.1021/acsomega.1c04188 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Co-pyrolysis of Estonian oil shale with polymer wastes = Eesti põlevkivi ja polümeerjäätmete koospürolüüsPihl, Olga2022 https://doi.org/10.23658/taltech.36/2022 https://www.ester.ee/record=b5503196*est https://digikogu.taltech.ee/et/Item/ab6c2255-91b6-4ce5-b26e-95665266870e

Gas-chromatographic determination of sulfur compounds in the gasoline fractions of shale oil and oil obtained from used tiresPihl, Olga; Niidu, Allan; Merkulova, Nadežda; Fomitšov, Mihhail; Siirde, Andres; Tšepelevitš, MariaOil shale2019 / p. 188–196 : ill http://www.kirj.ee/public/oilshale_pdf/2019/issue_2S/OS-2019-2S-188-196.pdf https://doi.org/10.3176/oil.2019.2S.09 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Kas see uus meetod aitab Eestis lahti saada kogu plastijäägist?Alvela, Ainpostimees.ee2023 Kas see uus meetod aitab Eestis lahti saada kogu plastijäägist?

Kütuste tehnoloogia teadus- ja katselaboratooriumPihl, OlgaAastaraamat 2020 : TalTech Virumaa Kolledž2021 / lk. 79 : ill https://www.ester.ee/record=b2666429*est http://data.vk.edu.ee/aastaraamat20/

Oil shale pyrolysis products and the fate of sulfurMaaten, Birgit; Järvik, Oliver; Pihl, Olga; Konist, Alar; Siirde, AndresOil shale2020 / p. 51–69 : tab https://www.kirj.ee/33071/?tpl=1061&c_tpl=1064 https://doi.org/10.3176/oil.2020.1.03 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Olga Pihl: armastus teadustöö vastu viib labori tippuPihl, Olgapostimees.ee2023 Olga Pihl: armastus teadustöö vastu viib labori tippu

Olga Pihli ja tema tiimi teadustöö plastjäätmete koospürolüüsist pälvis Tallinna kõrge tunnustuseMente et Manu2022 / lk. 10 https://www.ester.ee/record=b1242496*est

Production of isotropic coke from shale tar at various parameters of the delayed coking processNazarenko, Maxim; Saltykova, Svetlana; Rudko, Viacheslav; Pihl, OlgaACS omega2021 / p. 22173–22179 : ill https://doi.org/10.1021/acsomega.1c02842 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Põlevkivi [Võrguteavik] : niiskuse määramine = Oil shale : determination of moisture2018 https://www.ester.ee/record=b4816504*est

Põlevkiviõlid [Võrguteavik] : tahkete lisandite ja tuhasuse määramise meetod = Shale oils : method for determination of sediment content and ash2020 https://www.ester.ee/record=b5366046*est

Standardization by analyses of oil shale and its productsRiisalu, Hella; Pihl, Olga; Nuut, AnuInternational Symposium "Oil shale 100 years" : Estonia, Sept. 20-23, 2016 : [abstracts]2016 / p. 48

A study on the possibility of desulfurization of liquid products of the pyrolysis of Estonian oil shaleFomitšov, Mihhail; Pihl, OlgaGSFMT Scientific Conference 2020 : Tallinn, February 4-5, 2020 : abstracts2020 / p. 23 http://fmtdk.ut.ee/wp-content/uploads/2020/01/GSFMT2020.pdf

The study of properties of aerogels derived from oil shale phenolsPihl, Olga; Koel, MihkelAbstracts book of 34th Oil Shale Symposium : October 13-17, 2014, Colorado School of Mines, Golden, Colorado2014 / p. 55

Thermogravimetric analysis of polymer waste products and their mixtures with oil shaleRiisalu, Hella; Hruškova, Marta; Pihl, OlgaInternational IX Oil Shale Conference 2017 "Oil Shale Industry in Circular Economy" : 15th-16th November 2017, [Jõhvi], Ida-Viru County, Estonia : summary2017 / p. 35 : ill http://www.ester.ee/record=b4751282*est

Tire processing using pyrolysis and hydrogenation methodsPihl, Olga; Soone, Jüri; Kekiševa, Ljudmilla; Kaev, MihkelSolid fuel chemistry2013 / p. 183-192 https://doi.org/10.3103/S0361521913030063

Vanarehvid - probleem või võimalus?Pihl, OlgaPõlevad ja mittepõlevad energiaallikad = Combustible and non-combustible energy resources 2019/20202020 / Lk. 34-35 : ill https://www.ester.ee/record=b4613503*est

Получение высококачественного топлива из резинотехнических изделийPihl, OlgaInnovaatilised lahendused ja säästvad tehnoloogiad : konverents 20102010 / с. 48