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final AC plant design

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by

Daniel Roberts

on 9 June 2010

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Transcript of final AC plant design

Allyl Chloride
and
1,3-Dichloropropene Soil Fumigant
Plant Feasibility Group 5

Brittney Hellner
Tyler Manley
Daniel Roberts Materials of Construction
Inherently Safer Design Methodology Intensification (reduce the amount of hazardous material in process)
Continuous reaction process vs. batch reaction
Just-in-time inventory

Attenuation (using less hazardous conditions)
Minimize reaction temperature and pressure

Business Objectives Maximize projected net present value after:
2 years of construction
10 years of operation

Average projected return of the net present value :
> 12 %

Annual production requirements:
50 MM kg of allyl chloride
99 wt% pure (industry standard)

1 - 3 MM gallons of Floragrow
< 92 wt% 1,3-dichloropropene
> 2 wt% 1,2-dichloropropane
Process Control Diagram Overall Plant Design
Reactor Design Reactions chlorine + propylene allyl chloride + hydrochloric acid


chlorine + propylene 1,2-dichloropropane


chlorine + allyl chloride 1,3-dichloropropene + hydrochloric acid
HYSYS Operating Parameters Conceptual Economic Analysis solid nickel alloy solid stainless steel Sensitivity Analysis Overall Cost Diagram Reactor temperature = 425 C
Reactor pressure = 5 bar
Reactor volume = 7.3 m^3
Selectivity = 0.75
Conversion = 0.99

Fixed capital............................. $ 20.0 MM
Total capital invested............. $ 26.5 MM
Annual profit before taxes..... $ 37.7 MM
NPVproj..................................... $ 117 MM
NPV%......................................... 36.8 %
internal rate of return............. 54.3 %
Economic Summary Alternative Designs replace with absorber unit Business Objectives Maximize projected net present value after:
2 years of construction
10 years of operation

Average projected return of the net present value :
> 12 %

Annual production requirements:
50 MM kg of allyl chloride
99 wt% pure (industry standard)

1 - 3 MM gallons of Floragrow
< 92 wt% 1,3-dichloropropene
> 2 wt% 1,2-dichloropropane
Conclusion $ 117 MM


36.8 %/yr


50 MM kg of allyl chloride
99.8 wt% pure

3.0 MM gallons of Floragrow
98.7 wt% 1,3-dichloropropene
1.33 wt% 1,2-dichloropropane


Design Results r = 70
n = 10
s = 7.5
r = 2.6
n = 15
s = 0.019
r = 5.0
n = 20
s = 12
r = 9.3
n = 55
s = 12
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Full transcript