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The Sepralac® Process


The Economics


 
Assumptions:
Volume: 250,000 liters of whey per day
Whey type: Sweet cheese whey, pre-treated, past., normal comp.
Processing time: 24 hours per day, 300 days a year
 

Products
Permeate
Whey Protein Isolate
α –enriched WPI
β-enriched WPI
Lactoferrin
Lactoperoxidase
 
 

Market Price US D/Kg
0.18
7.5
15
9
250
300

Annual Prod. (Kg)
WPI
α –enriched WPI
β-enriched WPI
Lactoferrin
Lactoperoxidase
Permeate


Annual Prod. (USD)
WPI
α–enriched WPI
β-enriched WPI
Lactoferrin
Lactoperoxidase
Total
Permeate*  
 

Case 1
364,500
 
 
 
 
4,110,000
 
 
Case 1
2,773,750
 
 
 
 
2,773,750
739,800  
 

Case 2
362,800
 
 
1,200
500
4,110,000
 
 
  Case 2
2,721,000
 
 
300,000
150,000
3,171,000
739,800  
 

Case 3
 
145,120
217,680
1,200
500
4,110,000
 
 
Case 3
 
2,176,800
1,959,120
300,000
150,000
4,585,920
739,800
 

Investment
3* 500 L RFC columns
Tanks, pumps, piping
Automation and valves
Membrane systems
Total
 
 
Annual Prod. Costs
Depreciation
Resin costs
Membrane system OP
  costs
Chemicals
Water
Energy
Waste treatment
Cost of whey (.5 c/L)
Labor
Drying costs
Total  
  

USD
675,000
200,000
350,000
300,000
1,525,000
   
 
USD
190,625
150,000
80,000

120,000
30,000
110,000
25,000
375,000
288,000
91,125
1,469,750
 

Annual Gross 
Margin, USD 
Revenue 
Production costs 
Gross margin 

Case 1
Process A
2,773,750
1,469,750
1,264,000

Case 2
Process B
3,171,000
1,690,210
1,480,790

Case 3
Process C
4,585,920
1,763,700
2,822,220
 
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