1. Introduction - Firenze University Press

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Advisory Committee (Track Organizers) Building, Urban and Complex Energy Systems V. Ismet Ugursal Dalhousie University, Nova Scotia, Canada Combustion, Chemical Reactors, Carbon Capture and Sequestration Giuseppe Girardi ENEA-Casaccia, Italy Energy Systems: Environmental and Sustainability Issues Christos A. Frangopoulos National Technical University of Athens, Greece Exergy Analysis and Second Law Analysis Silvio de Oliveira Junior Polytechnical University of Sao Paulo, Sao Paulo, Brazil Fluid Dynamics and Power Plant Components Sotirios Karellas National Technical University of Athens, Athens, Greece Fuel Cells Umberto Desideri University of Perugia, Perugia, Italy Heat and Mass Transfer Francesco Asdrubali, Cinzia Buratti University of Perugia, Perugia, Italy Industrial Ecology Stefan Goessling-Reisemann University of Bremen, Germany Poster Session Enrico Sciubba University Roma 1 “Sapienza”, Italy Process Integration and Heat Exchanger Networks Francois Marechal EPFL, Lausanne, Switzerland Renewable Energy Conversion Systems David Chiaramonti University of Firenze, Firenze, Italy Simulation of Energy Conversion Systems Marcin Liszka Polytechnica Slaska, Gliwice, Poland System Operation, Control, Diagnosis and Prognosis Vittorio Verda Politecnico di Torino, Italy Thermodynamics A. Özer Arnas United States Military Academy at West Point, U.S.A. Thermo-Economic Analysis and Optimisation Andrea Lazzaretto University of Padova, Padova, Italy Water Desalination and Use of Water Resources Corrado Sommariva ILF Consulting M.E., U.K iii
Page 1: Proceedings e report 90
Page 4 and 5: ECOS 2012 : the 25 th International
Page 8: Scientific Committee Riccardo Basos
Page 11 and 12: CONTENT MANAGEMENT The index lists
Page 13 and 14: » Investigation of an innovative p
Page 15 and 16: » Modelling and exergy analysis of
Page 17 and 18: » Exergetic and economic analysis
Page 19 and 20: » On the effect of eco-indicator s
Page 21 and 22: » Reduced energy cost through the
Page 23 and 24: » Exergy analysis and optimisation
Page 25 and 26: » Mechanism of damage by high temp
Page 27 and 28: ECOS 2012 VOLUME VI
Page 29 and 30: studied by Möllersten et.al, Obers
Page 31 and 32: 2.2. System integration and innovat
Page 33 and 34: (a) (b) (c) Fig. 5. Flow diagrams o
Page 35 and 36: The stream data corresponding to th
Page 37 and 38: Net work output -89456 Thermal effi
Page 39 and 40: Gasification 100.6 13.6 113.0 31.4
Page 41 and 42: Figure 8(b) discloses the exergy ut
Page 43 and 44: and the clean utilization of coal,
Page 45 and 46: PROCEEDINGS OF ECOS 2012 - THE 25 T
Page 47 and 48: solvent regeneration mainly comes f
Page 49 and 50: In conclusion, if a group of turbin
Page 51 and 52: Net Coal Consumption Rate g/kWh 305
Page 53 and 54: Fig. 7. Steam extraction scheme of
Page 55 and 56: Such improvement is really simple a
Page 57 and 58:
RH1 HP T IP T LP T LP T DEA RH2 RH3
Page 59 and 60:
6. Conclusions The process simulati
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CO2 scrubber. Fuel 2009;88:2481-248
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leaves boiler is composed mainly of
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Table 1. Characteristic quantities
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Figure 4 shows a graph of the elect
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1 opt(N eTG ) k O2 K T opt(N
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[7] Buhre B.J.P., Elliott L.K., She
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(nitrogen) utilization. Five case s
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Figure 2. Idea for heat recovery fr
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Table 4. Assumed lignite parameters
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Fig. 6. Temperature profiles in com
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Appendix A Fi gure A1a. Thermoflex
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Figure A2. Thermoflex flow sheet of
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Figure A3b. Thermoflex flow sheet o
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References [1] CO2 Capture Ready, I
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and there are currently several dif
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2.2. Life Cycle Inventory A life cy
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Table 2. Global warming potential o
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As can be seen in Fig. 4 even if fo
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treat the biogas from landfills and
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[19] Olivieri, T., Lombardi, L., Co
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Aaron and Tsouris [8] reviewed in d
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preparatory to further applications
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Investigations were carried out in
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Hydrate storage capacity was measur
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[13] Kang S.P., Lee H., Lee C.S., S
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GJ/tCO2 during pilot scale tests, w
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These reactions occur in nature ove
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With Mg extraction conversion XE =
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Working names MgO %-wt CaO %-wt *Fe
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The number of years it would take t
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In the case of simultaneous sulphat
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the formation of MgSO3 is found the
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Fig. 8. Reactivity of DSP-Mg(OH)2 a
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m mass, kg P power, J or W Q heat,
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[32] Zahra, A. Carbon dioxide captu
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A process under development at ÅA
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CaSiO3 + (NH4)2SO4 = CaSO4 + SiO2 +
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750 kg (NH 4) 2SO 4 250 kg H 2O 550
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Table 3. Summary of the process’
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of six X elements from the diopside
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[8] Confidential Report on Lime Pro
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where the thermodynamic integration
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conversion to elemental sulphur. Th
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parameters within the boiler island
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The calculated parameters in charac
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Acknowledgments This work has been
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(a) 127
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Fig. A.3. Simulation model of CFB C
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Flue Gas Stream number 255 37 20 10
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PROCEEDINGS OF ECOS 2012 - THE 25 T
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2.2. Design Cases Aim of this resea
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There are currently studies carried
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Fig. 4. Gross efficiency of plants
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Fig. 8. Percentage share of electri
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Gross electric power kW 244619. 244
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The base case for the CO2 purificat
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while it is compressed. The distill
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Table 2. Comparison of the three CO
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Figure 6a. Impact of CCE on PCU Fig
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3.2.4 Effect of the ATR operational
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[7] Romeo L. M., Bolea I., Lara Y.,
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2. Assessment of flow configuration
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3.3. AZEP 100 Fig. 2. AZEP 100 Top
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As the mass flow rate of "AIRREST"
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The discharge pressure of "LASTST"
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Acknowledgments The authors would l
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Abstract: PROCEEDINGS OF ECOS 2012
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envisaged for operating the gasifie
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emission” scope of the cycle. Mic
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decomposed into CaO. The sample dwe
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Even if the dolomite shows a larger
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pore size distribution was observed
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CO2/N2), indeed, leads to some impr
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2 NaOH + CO2 Na2CO3+ H2O (2) The lo
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Concerning the regeneration step, s
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in the range from 700 to 1100 mbar.
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order to increase the competitivene
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[12] Van GervenT.,VanKeer, ArickxS.
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exhaust gas heater (PRS) and nitrog
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where: r - enthalpy of vaporization
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the case of the drying of the fuel
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2.2. Synthetic standards To test th
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a dilute hydrochloric acid solution
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change is significantly greater in
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The significant endothermic event o
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The results of the TCA analyses are
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[17] Lei Wanga, Yiying Jin, Yongfen
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of power and electricity on global
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also provided information on sizes
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Fig. 3. Process scheme for experime
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Fig. 5. Theoretical dependency of d
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temperature, this heat can in pract
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c in c c in out 100% However, a
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Abbreviations CCS Carbon Capture an
Page 260 and 261:
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an XRD analysis showing that a comb
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with only 8 design points was chose
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comparatively low R 2 . The results
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separated by filtration into a soli
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Figure 6. Mg(OH)2 carbonation flow
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2. ∆T of 10 o C was the set minim
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appears to be due to thermal decomp
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Mg-silicate Magnesium silicate mine
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Oxy type pulverized boiler structur
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GateCycle TM software. The built-in
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N el el, brutto (8) m1c Wdp The n
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Summary In this paper the air separ
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NOx emissions from cement kilns dep
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0.61x 58.86x 83.67x 4.4x 4.03x 1.97
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T L( x, ) f( x) g( x) (20) Thus,
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[3] Greer, W.L., SO2/NOx Control Co
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ways. It could for example be used
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4. The studied system and input dat
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Table 2. Presentation of the differ
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4.2. Energy market scenarios The fu
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By using the described energy marke
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Global CO 2 emissions [ktonnes/yr]
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4 the CO2 emissions effect for BLGM
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of Norrbotten. The work was also co
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Fig. 1. Schematic overview of the I
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sufficient diversity of the ideas i
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3.2. Results 3.2.1. Exergy analysis
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In the electrolysis the ZnSO4-solut
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Combination of TSs for process dema
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TSi yi ti1, iI, i NI + 1, (6) Th
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Fig 5: Simplified scheme for the in
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4.3. Hierarchy for covering heat de
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The optical efficiency of the tube
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load by the time horizon of the TS.
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LV large value, maximum difference
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[26] Perry S, Klemeš J, Bulatov I.
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Large district heating networks sup
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whole pipeline network is canal pip
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It should be mentioned that the tot
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Fig. 3. Model of Tallinn district h
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Heat production (GWh) 1,854.60 1,85
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y 20%. The amount of electricity pr
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Canada is one of the world’s lead
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Electricity distribution (EE) D Ep
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5. Characteristic challenges of OMS
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6.2 Integration of energy storage t
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9. LOZANO, M. A.; CARVALHO, M.; SER
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v. 37, p. 5330-5339, 2003. 44. DOE.
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There are many alternatives for hyd
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sour water-gas shift (WGS) process
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The Soave-Redlich-Kwong equation of
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†† O2 to coal ratio: 0.8, solid
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(b) Fig. 3. Effect of the coal slur
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feed increment in WGS process. As a
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[5.] Giunta P, Amadeo N, Laborde M.
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