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Tuhamäed kui keskkonna polüaromaatsete süsivesinikega ja fenoolidega reostajadTrapido, Marina; Munter, Rein; Kallas, JuhaKaasaegse ökoloogia probleemid. Alalhoidlik areng ja looduskeskne elulaad : Eesti VI ökoloogiakonverentsi lühiartiklid, Tartu, 24.-26. aprill 19941994 / lk. 203-205

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252

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Täiustatud oksüdatsiooniprotsessid põlevkivitööstuse heitvete eel- ja järeltöötlemiselKamenev, Sven; Preis, Sergei; Kallas, Juha; Munter, ReinXVI Eesti keemiapäevad : teaduskonverentsi ettekannete referaadid = 16th Estonian chemistry days : abstracts of scientific conference1995 / lk. 41-43

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253

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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

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254

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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

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255

journal article

Utilization of oil shale ash to prepare PCC : leachibility dynamics and equilibrium in the ash-water systemVelts, Olga; Uibu, Mai; Rudjak, Irina; Kallas, Juha; Kuusik, Rein, keemikEnergy procedia2009 / p. 4843-4850 : ill https://www.sciencedirect.com/science/article/pii/S1876610209009552

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256

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Utilization of oil shale combustion wastes for PCC production : quantifying the kinetics of Ca(OH)₂ and CaSO₄·2H₂O dissolution in aqueous systemsUibu, Mai; Tamm, Kadriann; Velts-Jänes, Olga; Kallaste, Priit; Kuusik, Rein, keemik; Kallas, JuhaFuel processing technology2015 / p. 156-164 : ill http://dx.doi.org/10.1016/j.fuproc.2015.09.010

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257

book article

Utilization of statistical design of experiment for improving the efficiency of test filtration tasksHäkkinen, Antti; Huhtanen, Mikko; Ekberg, Bjarne; Kallas, JuhaProceedings of the 10th World Filtration Congress : Leipzig, Germany, April 14-18. 12008 / p. I-180 - I-184

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258

journal article

Waste oil shale ash as a novel source of calcium for precipitated calcium carbonate : carbonation mechanism, modeling, and product characterizationVelts, Olga; Uibu, Mai; Kallas, Juha; Kuusik, Rein, keemikJournal of hazardous materials2011 / p. 139-146 : ill

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259

book article

Water treatment : ozonation of chlorophenols in aqueous solutionsHautaniemi, Marjaana; Kallas, Juha; Laari, A.3rd Nordic Symposium on Reactive Separation Systems, Helsinki, June 16-17, 19971997 / p. 92-102

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260

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Verification of multi-phase flow model and identification of sliding grid technologies for CFD simulation in stirred tankSha, Zuo-Liang; Yang, Guang-Yu; Louhi-Kultanen, Marjatta; Kallas, JuhaACFD 2000 Beijing : International Conference on Applied Computational Fluid Dynamics : October 17-20, 2000, Beijing, China : selected papers2000 / p. 118-124 : ill

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261

book article

Wet oxidation for the treatment of TMP concentrated paper mill waters. Kinetics of the reactionGarcia-Molina, V.; Verenich, Svetlana; Kallas, JuhaECCE : 4th European Congress of Chemical Engineering : Granada, Spain, 2003 : conference proceedings. Topic 42003 / p. P-4.3-089

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262

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Wet oxidation of concentrated wastewaters : the kinetic modellingVerenich, Svetlana; Kallas, JuhaOxidation Technologies for Water and Wastewater Treatment : 2nd International Conference2000 / p. 163

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263

journal article

Wet oxidation of concentrated wastewaters of paper mills for water cycle closingVerenich, Svetlana; Laari, A.; Kallas, JuhaWaste management2000 / p. 287-293 : ill

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264

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Wet oxidation of debarking water : changes in lignin content and biodegradabilityKindsigo, Merit; Kallas, JuhaEnvironmental chemistry letters2009 / 2, p. 121-126

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265

book article

Wet oxidation of paper mill evaporation concentratesRoosalu, Kati; Verenich, Svetlana; Kallas, JuhaInternational conference EcoBalt 2003 : Riga, Latvia, 2003 : book of abstracts. Volume 12003 / p. I-27 - I-28 https://lutpub.lut.fi/handle/10024/35063?show=full

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266

book article

Wet oxidation of recalcitrant lignin water solution : experimental and reaction kinetics [Electronic resource]Kindsigo, Merit; Hautaniemi, Marjaana; Kallas, JuhaEnvironmental Applications of Advanced Oxidation Processes : Chania, September 7-9, 2006 : book of abstracts2006 / [CD-ROM] https://link.springer.com/article/10.1007/s10311-008-0151-4

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267

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Wet oxidation of recalcitrant lignin water solutions : experimental and reaction kineticsKindsigo, Merit; Hautaniemi, Marjaana; Kallas, JuhaEnvironmental chemistry letters2009 / 2, p. 155-160 https://link.springer.com/article/10.1007/s10311-008-0151-4

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268

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Väävliühendid põlevkivituha märgkarboniseerimiselTamm, Kadriann; Uibu, Mai; Kuusik, Rein, keemik; Kallas, JuhaXXXIII Eesti Keemiapäevad : teaduskonverentsi teesid2013 / lk. 78

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269

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Xylidine polluted groundwater treatment by means of advanced oxidation processesKallas, Juha; Reinik, Janek; Jakobsson, KajThird International Conference on Oxidation Technologies for Water and Wastewater Treatment - Special Topic: AOP's for Recycling and Reuse : 18-22 May 2003, Goslar, Germany2003 / p. 364-367

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270

journal article

Xylidine-polluted groundwater purification : adsorption experiments and breakthrough calculationsReinik, Janek; Viiroja, Andres; Kallas, JuhaProceedings of the Estonian Academy of Sciences. Chemistry2001 / 4, p. 205-216

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271

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Xylidine-polluted groundwater purification. Wet oxidation - wet air oxidation using granulated active carbonKallas, Juha; Reinik, JanekScientific proceedings of Riga Technical University. Series: Material Science and Applied Chemistry2002 / p. 208-215

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272

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Xylidine-polluted groundwater purification. Ozonation and catalytic wet oxidationReinik, Janek; Kallas, JuhaProceedings of the Estonian Academy of Sciences. Chemistry2004 / 3, p. 97-115 : ill

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273

book article

Алгоритм генерирования моделей химико-технологических процессовBakalova, M.O.; Kallas, JuhaПроцессы и аппараты химической технологии. 21988 / с. 3-10

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274

book article

Алгоритмы расчета межфазных потоков в многокомпонентной системе ПАР-жидкостьJoarand, Heiki; Kallas, JuhaXXV студенческая научно-техническая конференция вузов Прибалтийских республик, Белорусской ССР и Молдавской ССР, 21-23 апреля 1981 года : тезисы докладов. Том 2, Автоматика. Энергетика. Механика. Химия1981 / с. 187 https://www.ester.ee/record=b1322629*est

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275

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Влияние поперечных потоков на коэффициент массоотдачиKallas, Juha; Siirde, EnnoИзвестия высших учебных заведений. Химия и химическая технология1983 / с. 763-765 https://www.ester.ee/record=b2027682*est

journal article

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author 58

name of the person 11

CV 6