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Plasma gasification of Municipal Solid Waste

Plasma gasification of Municipal Solid Waste. Tien Diep Kevin Estacio Sebastian Iskra Linda Quan Felix Velazquez Mentor: Dennis O’Brien. Block Flow Diagram. Block Flow Diagram Continued. Schematic Flow Diagram. Data- Composition of Air. Material and Energy Balance.

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Plasma gasification of Municipal Solid Waste

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  1. Plasma gasification of Municipal Solid Waste TienDiep Kevin Estacio Sebastian Iskra Linda Quan Felix Velazquez Mentor: Dennis O’Brien

  2. Block Flow Diagram

  3. Block Flow Diagram Continued

  4. Schematic Flow Diagram

  5. Data- Composition of Air

  6. Material and Energy Balance

  7. Data- Composition of Feed

  8. Material and Energy Balance

  9. Material and Energy Balance

  10. Material and Energy Balance

  11. Material and Energy Balance

  12. Material and Energy Balance

  13. Material and Energy Balance

  14. Material and Energy Balance

  15. Hand calculations • H2S+2NaOH -> Na2S+2H2O • HCl + NaOH --> NaCl + HOH • Material balances for the treatment vessel H2S Stoich (2) 11.3842 tons/day = 1.13842x10^7g/day 1.13842x10^7 g/day x (1mol H2S/34.08g H2S) x (4mol NaCl/1mol H2S) x (58.4430g/1mol NaCl) = 7.80x10^7 [g/day NaCl] x (1day/24hours) x (1lb / 453.5923 g) = 7165.023 lb/hr NaClout HClstoich 31.6723 tons/day = 3.16723x10^7g/day 3.16723x10^7g/day x (1mol HCl/36.46g) x (1mol NaOH / 1mol HCl) x (40g NaOH/1mol NaOH) = 3.4747x10^7 [g/day NaOH] x (1day/24hours) x (1lb / 453.5923 g) = 3191.834 lb/hr NaOHout

  16. Hand Calculaitons • H = ΔHf° + • CpHCl = 0.029 [KJ/mol K] • CpH2S = 0.034 [KJ/mol K] HHCl = -92.3 KJ/mol + 0.029 KJ/kg K (363-298) = -85.696 Btu/mol (-1096.41 Btu/lb) HH2S= -86.373KJ/mol + 0.034 KJ/mol K (363-298) = -16.849 Btu/mol -224.254 Btu/lb -85.696 Btu/mol x(1mol HCl/35.453g) x (453.5923g/1lb) = -1096.41 Btu/lb -16.849 Btu/mol x (1mol H2S/34.08g) x (453.5923g/1lb) = -224.254 Btu/lb

  17. Material and Energy Balance

  18. Rough Economics

  19. Rough Economics

  20. Timeline • Block FlowDiagram • ProcessFlowDiagram • Material & Energy Balance • Calculations • AnnotatedEquipmentList • EconomicEvaluationfactoredfromEquipmentCosts

  21. References • http://www.engineeringtoolbox.com/air-composition-d_212.html • http://web.ist.utl.pt/~ist11061/de/IndPrecos/Che-2010_04_Econ-Indic.pdf • http://www.netl.doe.gov/energy-analyses/pubs/Bituminous%20Baseline_Final%20Report.pdf • http://www.seas.columbia.edu/earth/wtert/sofos/nawtec/nawtec18/nawtec18-3515.pdf • http://www.chemicalprocessing.com/articles/2008/245.html

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