Base Case v Optimized Cost Breakdown:
Base
CAse
Optimized Case
Steam
$322,123
$0
Cooling Water
$803,235
$0
Fuel gas
$45,200
$45,200
Electricity
$2,986
$2,986
Total Utilities
$1,173,697
$856,457
Raw Materials
IPA
$13,440,000
$13,440,000
Process Water
$115
$115
Equipment
$1,135,000
$1,184,000
Waste Water
$205,296
$205,296
Labor Cost
$800,000
$800,000
Supervisor/Clerical
$144,000
$144,000
Maintenance
$68,100
$71,040
Supplies
$10,215
$10,656
Laboratory
$120,000
$120,000
Patents
$618,474
$607,033
Depreciation
$113,500
$118,400
Taxes and Insurance
$36,320
$37,888
Overhead
$607,260
$609,024
Administration
$151,815
$152,256
Selling Cost
$2,267,738
$2,225,786
Research
$1,030,790
$1,011,721
Cost of Manufacturing
$20,615,803
$20,234,417
Direct Manufacturing Cost
$16,579,897
$16,254,596
Fixed Manufacturing Cost
$757,080
$765,312
General Manufacturing Expense
$3,450,343
$3,389,763
Total
$20,787,320
$20,409,671
Calculations for Double Pipe Heat Exchanger
- Q= WC(T1-T2)=wc(t2-t1)
- LMTD= (T1-t2)-(T2-t1)
ln (T1-t2)/(T2-t1)
(3) ap= p D2
4
- G= W/a
- Re= DG/m
- jH= (hiD/k)(cm /k)(-1/3) (m /m w)-0.14
- hio= hi (ID/OD)
- U= hiohi/ (hio+hi)
- A= Q/(UD t)
Hot Side(annulus)
Cold Side(inner pipe)
W(kgmole/hr)
36.114
58.372
C (kJ/kgmole-c)
76.247
147.76
C (kJ/kg-c)
4.184567
3.209871
T1 ° C
102.0775
30.2667
T2 ° C
45
48.2883
Calculated Q (J/hr)
157167.7
155437.1
Tc ° C
73.53875
39.2775
LMTD
30.15987
Diameter(m)
0.2
0.15
Flow Area(m2)
0.031429
0.017679
Mole Velocity(kgmole/hr/m2)
1149.082
3301.851
Molecular Weight (kg/mole)
18.221
46.033
Mass Velocity(kg/hr/m2)
20937.42
151994.1
mu (viscosity) Cp
0.26824
1.345
mu(kg/m*hr)
0.964892
4.838129
Reynold's number
4339.847
4712.382
conversion from Cp to kg/m-hr
3.597122
k Thermal Cond (kJ/hr-m-k)
2.445156
0.893412
jh
40
50
ho, hi
578.0217
771.4391
hio
641.3168
U
304.0132
A (m2)
17.14121