Novel Design of an Integrated Pulp Mill Biorefinery for the ...

More documents

Recommendations

Info

Enthalpy MJ/kg 2.7895 Energy of MP Steam used MW 6.41 LP Steam Heat Exchanger LP Steam Temperature °C 156 Pressure bar 4.5 Flow Rate kg/s 4.3 cp kJ/kgK 2.339 Enthalpy MJ/kg 2.753 Energy of LP Steam used MW 0.36 Mass flow rate of steam for ST: Available Energy MW 173.05 Steam Property Temperature °C 540 Pressure bar 117 cp kJ/kgK 2.5895 So, mass flow rate kg/s 159.34 Heat exchange calculation in Water Heater: Saturated Water 120.6 1.01 257 Exhaust from HRST 210 1.01 339.46 H2O 25 1.01 257 Water Heater Go To Stack x 1.01 339.46 Figure E.1: Mass and energy flow of Water Heater. Saturated H2O Temperature °C 120.6 Pressure bar 1.01 Flow Rate kg/s 257.02 cp a kJ/kgK 1.901 96
Energy H2O absorbed MW 46.71 Using energy balance to calculate the temperature of flue gas to stack. Flue gas from HRST Mass flow rate kg/s 339.46 CO2 mass percent: 0.7512 Temperature °C 210 Pressure bar 1.01 cp kJ/kgK 0.996 H2O mass percent: 0.2488 cp kJ/kgK 1.94 Cp of flue gas kJ/kgK 1.231 So, The temperature of flue gas to stack °C 98.2 HRSG Calculation Evaporation pressure bar 130 Superheater Dp/p % 10 Superheater temperature °C 540 Heat loss % 0.7 Steam pressure out of HRSG bar 117 2. Power Generation from DME Purge Gas Gas Turbine Calculation Pressure ratio 17 Compressor polytropic efficiency 0.89 Turbine inlet temperature °C 1350 Compressor pressure drop bar 0.5 Turbine efficiency a 0.6 Air inlet pressure bar 1.01 Exhaust temperature °C 610 Compressed air pressure bar 16.14 Pressure in turbine bar 15.64 Compressed air flow rate kg/s 246.72 Air mass flow kg/s 290.26 Purge gas from DME Fuel Synthesis kg/s 49.2 97
Page 1 and 2:
Novel Design of an Integrated Pulp
Page 3 and 4:
Table of Contents List of Figures .
Page 5 and 6:
List of Figures Figure 1: Price of
Page 7 and 8:
1 Introduction The global transport
Page 9 and 10:
2 Background 2.1 Pulp Mill Backgrou
Page 11 and 12:
2.1.2.2 Chemical Pulping The most c
Page 13 and 14:
sodium sulfide and sodium carbonate
Page 15 and 16:
process described in the section on
Page 17 and 18:
2.2.1 Low-Temperature Black Liquor
Page 19 and 20:
Figure 2: Chemrec gasification proc
Page 21 and 22:
Table 3: Average syngas composition
Page 23 and 24:
DME than that could be obtained fro
Page 25 and 26:
U.S. Patent[58] and European Patent
Page 27 and 28:
Figure 4: Topsøe gas phase technol
Page 29 and 30:
DME Workshop, Japan (Sept. 7, 2000)
Page 31 and 32:
2.4.1. Fischer-Tropsch Reactors The
Page 33 and 34:
kpH 2 pCO Cobalt rate = 2 (2.4.1) (
Page 35 and 36:
invention of Fischer-Tropsch in the
Page 37 and 38:
Table 7: hydrocarbons and associate
Page 39 and 40:
3 Process Design 3.1 Pulp Mill 3.1.
Page 41 and 42:
carbonate is fired in a lime kiln t
Page 43 and 44:
lost and the pulp that provides tha
Page 45 and 46: Table 16: General operating paramet
Page 47 and 48: Table 19: Ash analysis of Pittsburg
Page 49 and 50: Table 22: Experimental syngas compo
Page 51 and 52: 3.2.5 Process Options and Flexibili
Page 53 and 54: Nitrogen compounds Nitrogen from th
Page 55 and 56: 3.3.2.3 Reactors A single-step gas
Page 57 and 58: Table 27: FT-diesel fuel synthesis
Page 59 and 60: 3.5.2 Power Generation Process Desi
Page 61 and 62: Figure 21: Schematic of biorefinery
Page 63 and 64: ar) reacts with the fuel in the com
Page 65 and 66: Figure 25showed the detailed energy
Page 67 and 68: 4. Design Summary The DME design an
Page 69 and 70: Figure 27: Mass and energy flow of
Page 71 and 72: References 1. Åhman, M., G. Modig,
Page 73 and 74: 42. R.A. Peascoe, J.R.K., C.R. Hubb
Page 75 and 76: PerformanceSimulation. 2006, Prince
Page 77 and 78: Appendix Appendix A MP Steam Demand
Page 79 and 80: Appendix B: Composite Fuel Blend to
Page 81 and 82: DME Density = 0.67 kg/L (at 20 °C)
Page 83 and 84: Air Separation Unit Requirements Ba
Page 85 and 86: Purge gas: CO conversion is 60%, 40
Page 87 and 88: Appendix D: FTD Synthesis Two diffe
Page 89 and 90: Table D.3: The hydrocarbon product
Page 91 and 92: Figure D.3 Mass and energy balance
Page 93 and 94: Table D.3 Mass and energy balance o
Page 95: Appendix E: Heat and Power Generati
Page 99 and 100: Combustion 2CO+O2→ 2CO2 + 566 kJ/
Page 101 and 102: Specific Heat (cp) b kJ/kgK 1.072 E
Page 103 and 104: Specific Heat of Steam (cp) kJ/kgK
Page 105: Appendix F: Concept Map 105
show all

Novel Design of an Integrated Pulp Mill Biorefinery for the ...

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?