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Improved Nitric Acid Production via Cobalt Oxide Catalysis for use in Ammonia-based Fertilizers. University of Illinois at Chicago Department of Chemical Engineering CHE 397 Senior Design II March 6, 2012 Thomas Calabrese (Team Leader) Cory Listner Hakan Somuncu David Sonna (Scribe)

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improved nitric acid production via cobalt oxide catalysis for use in ammonia based fertilizers

Improved Nitric Acid Production via Cobalt Oxide Catalysis for use in Ammonia-based Fertilizers

University of Illinois at Chicago

Department of Chemical Engineering

CHE 397 Senior Design II

March 6, 2012

Thomas Calabrese (Team Leader)

Cory Listner

Hakan Somuncu

David Sonna (Scribe)

Kelly Zenger

today s agenda
Today’s Agenda
  • Recap of Questions from the Second Meeting
  • Process Flow Diagram
    • NH3 Oxidation
    • NO Oxidation
    • Absorption
    • Tail Gas Treatment
  • Energy and Sizing
    • Ammonia Burner
    • Columns
    • Compressors
    • Heat Exchangers
  • ASPEN Icarus Cost Simulator
  • Report Progress
  • References
revisiting last session s questions
Revisiting Last Session’s Questions
  • Using ammonia as a refrigerant
    • Ammonia will now be received as a vapor to eliminate the need for evaporation
  • Replace steam compressors with electric compressors
    • High-pressure steam will be exported to CHP in return for electricity to drive compressors
  • Single or dual pressure plant
    • Dual pressure plant for optimum performance
overall process
Overall Process

NH3 Oxidation

NO Oxidation

Absorption

Tail Gas Treatment

slide5

Inlet Streams

NH3 Oxidation

NO Oxidation

NO2 Absorption

Tail Gas Treatment

Final Product Treatment

Inlet Streams

NH3 Oxidation

NO Oxidation

NO2 Absorption

Tail Gas Treatment

Final Product Treatment

catalytic reactor
Catalytic Reactor
  • Catalyst Bed
    • Volume = 400 ft3
      • Diameter = 9.6 ft
      • Catalyst Depth = 5.5 ft
column analysis
Column Analysis
  • Absorption Column
    • Sizing
      • Height = 230 ft
      • Diameter = 13 ft
      • Trays = 100
    • Energy
      • 130,000,000 Btu/hr
  • Bleacher Column
    • Sizing
      • Height = 72 ft
      • Diameter = 4 ft
    • Energy
      • 1,000,000 Btu/hr
report progress
Report Progress

Open Report

www.che397-nitric-acid.wikispaces.com

looking ahead
Looking Ahead

Process Flow Diagram

Initial Control Scheme

Plant Layout

Calculations

Refined Economics

Report

references
References

http://www.uic-che.org/pinch/

Ullman’s Encyclopedia of Industrial Chemistry. Volume A17. VCH.

Towler, Gavin. Chemical Engineering Design. 2008.

Perry, Robert and Don Green. Perry’s Chemical Engineers’ Handbook 8th Edition. McGraw-Hill 2008.

Felder, Richard and Ronald Rousseau. Elementary Principles of Chemical Processes 3rd Edition. John Wiley & Sons Inc. 2005.