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MODELING AND SIMULATION OF CARBON DIOXIDE ABSORPTION IN MONOETHANOLAMINE … D column’s diameter (m) DCO2,i diffusion coefficient of CO2 in substance i (m2/s) E enhancment factor (-) FG flow rate of gas (m 3 /s) FL flow rate of solution (m 3 /s) h heat transfer coefficient in gas phase (J/s*m 2 *K) H column’s height (m) HCO2 Henry’s constant [-] k reaction rate constant (m 3 /mol⋅s) kL liquid film mass transfer coefficient (m/s) KG overall mass transfer coefficient (m/s) po normal pressure (1 atm) t time (s) TG gas phase temperature (K) TL liquid phase temperature (K) To normal temperature (273 K) vL axial velocity of liquid film (m/s) vG velocity of gas film (m/s) yCO2 molar fraction of CO2 in gas (-) z axial coordinate (m) ∆rH heat of reaction (J/kmol) ρg density of gas (kg/m 3 ) ρsol density of solution (kg/m 3 ) μi viscosity of component i (Pa⋅s) ACKNOWLEDGMENTS This work has been supported by Romanian National University Research Council (CNCSIS) through grant no. 2455: “Innovative systems for poly-generation of energy vectors with carbon dioxide capture and storage based on co-gasification processes of coal and renewable energy sources (biomass) or solid waste”. REFERENCES 1. Intergovernmental Panel on Climate Change (IPCC), 4-th Assessments Report, Climate Change, 2007, www.ipcc.ch. 2. International Energy Agency (IEA), Greenhouse Gas Program (GHG), “Oxycombustion process for CO2 capture from power plants”, Report 2005/9, 2005. 3. F.A. Tobiesen, “Modeling and Experimental study of Carbon Dioxide Absorption and Desorption”, Ph. Thesis, 2007, chapter 1, 3 and 8. 47
48 ANA-MARIA CORMOS, JOZSEF GASPAR, ANAMARIA PADUREAN 4. G. Bozga, O. Muntean, “Reactoare chimice – Reactoare eterogene”, vol. II, Editura Tehnică, Bucureşti, 2000. 5. Akanksha, K.K. Pant, V.K. Srivastava, Chemical Engineering Journal, 2007, 133, 229. 6. J. Gabrielsen,“CO2 Capture from Coal Fired Power Plants”, Ph. Thesis, 2007, chapter 3. 7. H. Dang, G.T. Rochelle, National Conference on Carbon Sequestration, Washington DC, May 14-17, 2001. 8. R.H. Perry, D.W. Green, “Perry’s Chemical Engineers’ Handbook”, 1999. 9. C.F. Pavlov, P.G. Romankov, “Procese şi aparate în ingineria chimică”, Editura Tehnică, Bucureşti, 1981. 10. R. Maceiras, E. Alvarez, M.A. Cancela, Chemical Engineering Journal, 2008, 137, 422. 11. G.F. Verstege, L.A.J. Van Dijck, W.P.M. Van Swaaij, Chemical Engineering Journal, 1996, 144, 113. 12. A. Aboudheir, P. Tontiwachwuthikul, R. Idem, Chemindix, 2007, CCU/09. 13. D.R. Olander, A.l.Ch.E. Journal, 1960, 6, 223. 14. F. A. Tobiesen, H. F. Svendsen, A.l.Ch.E. Journal, 2007, 53 (4), 846.
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Page 17 and 18: STUDIES ON WO3 THIN FILMS PREPARED
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OPTIMISATION OF COPPER REMOVAL FROM
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MELINDA-HAYDEE KOVACS, DUMITRU RIST
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STUDIA UNIVERSITATIS BABEŞ-BOLYAI,
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IRON DOPED CARBON AEROGEL AS CATALY
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128 ANDRADA MĂICĂNEANU, HOREA BED
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ANDRADA MĂICĂNEANU, HOREA BEDELEA
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CRISTINA MIHALI, GABRIELA OPREA, EL
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144 CRISTINA MIHALI, GABRIELA OPREA
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146 Interfering ion, J - I - DBS -
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CONCLUSIONS 148 CRISTINA MIHALI, GA
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150 CRISTINA MIHALI, GABRIELA OPREA
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152 D. MIHU, L. VLASE, S. IMRE, C.
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154 Intens. x105 1.5 1.0 0.5 0.0 x1
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D. MIHU, L. VLASE, S. IMRE, C. M. M
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162 A. PETER, M. BAIA, F. TODERAS,
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164 (a) V relative [%] (c) V relati
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A. PETER, M. BAIA, F. TODERAS, M. L
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BIOSORPTION OF PHENOL FROM AQUEOUS
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186 ANDREI ROTARU, MIHAI GOŞA, EUG
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194 OCTAVIAN STAICU, VALENTIN MUNTE
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ln(τ i / s) OCTAVIAN STAICU, VALEN
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204 MARIA ŞTEFAN, IOAN BÂLDEA, RO
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EXPERIMENTAL SECTION 210 MARIA ŞTE
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EQUILIBRIUM STUDY ON ADSORPTION PRO
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STRATEGIES OF HEAVY METAL UPTAKE BY
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CORROSION INHIBITION OF BRONZE BY A
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E / mV vs. SCE POTASSIUM-SELECTIVE
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POTASSIUM-SELECTIVE ELECTRODE BASED
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256 CODRUTA VARODI, DELIA GLIGOR, L
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CODRUTA VARODI, DELIA GLIGOR, LEVEN
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PHARMACOKINETIC INTERACTION BETWEEN
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