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Pollution Control with Profit from
Effluent Treatment Plant for
Fish Processing Unit
By Anaerobic Process using UASB


Recovery of Biogas and Power

 


Capital Cost		=   Rs. 1,20,00,000 /-

Total Saving Due To 		=   Rs. 37,32,480 /- p.a.
Power Generation (96 KWH)
	
Total Saving Due To 		=   600 m3/day @ Rs.20/m3= Rs.39,60,000/- p.a.
Water Recycle 

Recovery per annum		=   Rs. 39,60,000 + Rs. 37,32,480 = Rs. 76,92,480 /-

Pay Back Period		=   2.5 to 3 Years.

DESIGN DATA


Title Inlet Outlet
Flow 960m3 / Day 960m3 / Day
pH 6-8 5.5 - 9.0
BOD 1800-2200 mg/L < 30 mg/l
COD 2500-3000 mg/L < 250 mg/l
Suspended Solids 1 - 2% mg/L < 100 mg/l
Oil & Greases 1600-2000 mg/l < 10 mg/l


ADVANTAGE :-

  1. Biogas Generation is 1150m3/day (96 KWH)
  2. Cost of the Plant can be Recovered in Just 3 Years
  3. Minimum Operation & Maintenance Cost
  4. No External Power Requirement for ETP.
  5. Water can be Recycled after Tertiary Treatment

SALIENT FEATURES :-

  • COD Reduction :- 80 – 85%
  • Biogas generated :- 0.5 to 0.55m3 kg COD reduced
  • Anaerobic process thus Oxygen from external source not required and no limitation of a Transfer of oxygen which is sparingly soluble.
  • Practically no power requirement since no internal mixing /aeration required.
  • Generation of methane rich biogas which can be used to generate power
  • Minimal sludge production due to higher sludge retention time.




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