Application of inverse gas-liquid chromatography for determination of thermodynamic properties of test compounds in oil shale high-boiling oilsMaripuu, Lea; Ignat, A.Oil shale1996 / 1, p. 29-36: ill Characterization of oil shale ash dump waste water and effect of advanced oxidation techniques to its chemical compositionTuhkanen, Tuula; Maripuu, Lea; Vartiainen, Matti; Munter, ReinEnvironmental Protection Strategy Standardization and Control of Pollution Load on the Marine Environment : 1st International Conference, 20-24 September 1993, Tallinn, Estonia : abstracts1993 / p. 29-30 Characterization of oil shale ash dump waste water and effect of AOP to its chemical compositionTuhkanen, Tuula; Maripuu, Lea; Vartiainen, M.; Munter, ReinProceedings of the 1-st International Conference on the Environmental Protection Strategy, Tallinn, 19931993 / p. 29-30 Destruction of fossil fuels with sub- and supercritical waterMaripuu, Lea; Luik, H.ECC-97 : European Coal Conference '97, Izmir, Turkey, 5-10 May 1997 : abstracts1997 / p. 88 Determination of the changes in the fractional composition of kukersite retorting oil occuring at varied conditions of thermal modificationLuik, Hans; Maripuu, Lea; Vink, Natalia23rd Estonian Chemistry Days : abstracts of scientific conference1997 / p. 82 Extraction of kukersite shale in aqueous mixturesLuik, Hans; Maripuu, Lea; Vink, Natalia; Lindaru, E.24th Estonian Chemistry Days : abstracts of scientific conference1998 / p. 41 Gas extraction of oil shales : effect of various factors on the yield and composition of products obtainedLuik, H.; Maripuu, Lea; Lindaru, E.23rd Estonian Chemistry Days : abstracts of scientific conference1997 / p. 81 Impact of ozone and hydrogen peroxide on the natural waterMaripuu, Lea; Kamenev, Sven; Munter, Rein23rd Estonian Chemistry Days : abstracts of scientific conference1997 / p. 88 Kukersiidi termolüüsil moodustuvate asfalteenide lagunemise mõningatest seaduspärasustest = Some regularities of the decomposition of asphaltenes formed on kukersite shale thermolysisLuik, Hans; Maripuu, Lea; Vink, Natalia; Lindaru, E.XVII Eesti keemiapäevad : teaduskonverentsi ettekannete referaadid = 17th Estonian Chemistry Days : abstracts of scientific conference1996 / lk. 105-106 https://www.ester.ee/record=b1070511*est Kukersiidi utteõli termilise modifitseerimisdiapasooni piiritlemine õli restruktureerimisparameetritega keemispiiri muutuse aluselLuik, Hans; Maripuu, Lea; Vink, NataliaXXIII Eesti keemiapäevad : teaduskonverentsi ettekannete referaadid1997 / lk. 73 Osooni ja vesinikperoksiidi toimest heitvetes sisalduvatele orgaanilistele aineteleMaripuu, LeaXVI Eesti keemiapäevad : teaduskonverentsi ettekannete referaadid = 16th Estonian chemistry days : abstracts of scientific conference1995 / lk. 78-80 Osooni ja vesinikperoksiidi toimest looduslikule veeleMaripuu, Lea; Kamenev, Sven; Munter, ReinXXIII Eesti keemiapäevad : teaduskonverentsi ettekannete referaadid1997 / lk. 79 Ozonation and O3/H2O2 treatment of the Lake Ulemiste waterMunter, Rein; Maripuu, Lea; Kamenev, Sven; Kallas, Juha; Hautaniemi, MarjaanaRegional Conference on Ozone, Ultraviolet Light, Advanced Oxidation Processes in Water Treatment, Amsterdam, Netherlands, 24-26 September 19961996 / p. 477-493: ill Oxidation of organic compounds in waste water with ozone and hydrogen peroxideMaripuu, LeaProceedings of the Estonian Academy of Sciences. Chemistry1995 / 2/3, p. 201-206: ill Põlevkivi gaasifaasiline ekstraktsioon sub- ja superkriitiliste ekstrahentide-reagentidegaLuik, H.; Lindaru, E.; Maripuu, LeaXVI Eesti keemiapäevad : teaduskonverentsi ettekannete referaadid = 16th Estonian chemistry days : abstracts of scientific conference1995 / lk. 72-73 Põlevkivide gaasifaasiline ekstraktsioon : erinevate faktorite mõjust saadavate produktide saagisele ja koostiseleLuik, H.; Maripuu, Lea; Lindaru, E.XXIII Eesti keemiapäevad : teaduskonverentsi ettekannete referaadid1997 / lk. 72 Treatment of debarking effluents by ozone and hydrogen peroxide : removal of organic matter and toxicityMaripuu, Lea; Tuhkanen, Tuula; Tanskanen, Heikki; Walls, MariInternational Workshop on Pollution Prevention and Waste Minimization, 23-24 May, 1995, Lappeenranta, Finland1995 / p. 32-34: ill Upgrading of Estonian shale oil distillation fractions. 2, The effect of time and hydrogen pressure on the yield and composition of "diesel fraction" hydrogenation productsLuik, Hans; Vink, Natalia; Lindaru, E.; Maripuu, LeaOil shale1999 / 3, p. 249-256: ill Upgrading of Estonian shale oil distillation fractions. 3, Hydrogenation of light mazuteLuik, Hans; Vink, Natalia; Lindaru, E.; Maripuu, LeaOil shale1999 / 4, p. 331-336 Upgrading of Estonian shale oil distillation fractions. 4, The effect of time and hydrogen pressure on the yield and composition of light mazute hydrogenation productsLuik, Hans; Vink, Natalia; Lindaru, E.; Maripuu, LeaOil shale1999 / 4, p. 337-342: ill Using of ozone in high quality drinking water productionMunter, Rein; Kamenev, Sven; Kallas, Juha; Maripuu, LeaCritical reviews in analytical chemistry1998 / Issue 2 : Special Issue : the proceedings of the National Science Foundation-Funded Workshop on Environmental chemistry - Baltic Republics, p. 81-86 Using of ozone in high quality drinking water productionMunter, Rein; Kamenev, Sven; Kallas, Juha; Maripuu, LeaUS-Baltic Workshop : Environmental Chemistry, June 11-15, 1997, Palanga, Lithuania : proceedings1997 / p. 35-40