1. Introduction - Firenze University Press

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ECOS 2012 The 25 th International Conference on Efficiency, Cost, Optimization and Simulation of Energy Conversion Systems and Processes (Perugia, June 26 th -June 29 th , 2012) edited by Umberto Desideri, Giampaolo Manfrida, Enrico Sciubba firenze university press 2012
Page 1: Proceedings e report 90
Page 5: ECOS 2012 The 25 th International C
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
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Such improvement is really simple a
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RH1 HP T IP T LP T LP T DEA RH2 RH3
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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
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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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1. Introduction - Firenze University Press

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