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Alternative Sewage Treatment Option:  The Effect of use of Water Hyacinth  (Eichornia crassipes) in the Treatment of Domestic Sewage   A. E. Adeniran Works & Physical Planning Department University of Lagos, Nigeria [email_address] [email_address]
[object Object],[object Object],[object Object],Introduction
The result is polluted canals and water streams
Constructed Wetland and Sewage Treatment ,[object Object],[object Object],[object Object]
Introduction Continued ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Innovation to Sewage Treatment: The Water Hyacinth Option ,[object Object],[object Object]
Operation & Hyacinth Growth ,[object Object],[object Object],[object Object],[object Object]
OBSERVATIONS ,[object Object],[object Object],[object Object],[object Object],Methods
Water Hyacinth Growth Profile ,[object Object],[object Object],[object Object],[object Object]
Colour ,[object Object],[object Object],[object Object],Influent and Effluent Colour % Colour Removal
Turbidity ,[object Object],[object Object],[object Object],Influent and Effluent Turbidity % Turbidity Removal
Biochemical Oxygen Demands (BOD)   ,[object Object],[object Object],[object Object],Influent Vs Effluent BOD   % TDS Removal
Removal of Nitrate ,[object Object],[object Object],[object Object],Influent and Effluent Nitrate   % Nitrate Removal
Removal of Phosphate ,[object Object],[object Object],[object Object],Influent and Effluent Phosphate   % Phosphate Removal
E-coli ,[object Object],[object Object],[object Object],Influent vs Effluent E-coli   % E-coli Removal
Summary of Results 99.66 7.0 2077.2 E-coli (cfu/100ml) 88.05 2.60 21.75 Phosphate (mg/l) 78.64 2.33 10.91 Nitrate (mg/l) 83.84 83 513 BOD 5  (mg/l) 88.00 74 616 TDS (mg/l) 92.96 6.7 95 Turbidity (HTU) 100.00 0 209 Colour (pcu) %  Removal Final Effluent Level Average Influent Level Parameter
Energy Requirements and Cost Savings Treatment Capacity =  680m3/day 87 N17,136,000.00 N2,268,000.00 Cost/yr (12 mths) 87 N1,428,000.00 N189,000.00 Cost/mth (30days) 87 N47,600.00 N6,300.00 Cost/day (20 hrs) 87 N2,380.00 N315.00 Cost/hr 87 340 KWh 45 KWh Energy Requirement %  Saving Conventional Sewage Treatment Water Hyacinth System Items
Samples along Treatment Process
From Influent to Effluent The Difference is Clear!
THANK YOU

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Alternative sewage treatment option for Developing Countries

  • 1. Alternative Sewage Treatment Option: The Effect of use of Water Hyacinth (Eichornia crassipes) in the Treatment of Domestic Sewage A. E. Adeniran Works & Physical Planning Department University of Lagos, Nigeria [email_address] [email_address]
  • 2.
  • 3. The result is polluted canals and water streams
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  • 16. Summary of Results 99.66 7.0 2077.2 E-coli (cfu/100ml) 88.05 2.60 21.75 Phosphate (mg/l) 78.64 2.33 10.91 Nitrate (mg/l) 83.84 83 513 BOD 5 (mg/l) 88.00 74 616 TDS (mg/l) 92.96 6.7 95 Turbidity (HTU) 100.00 0 209 Colour (pcu) % Removal Final Effluent Level Average Influent Level Parameter
  • 17. Energy Requirements and Cost Savings Treatment Capacity = 680m3/day 87 N17,136,000.00 N2,268,000.00 Cost/yr (12 mths) 87 N1,428,000.00 N189,000.00 Cost/mth (30days) 87 N47,600.00 N6,300.00 Cost/day (20 hrs) 87 N2,380.00 N315.00 Cost/hr 87 340 KWh 45 KWh Energy Requirement % Saving Conventional Sewage Treatment Water Hyacinth System Items
  • 19. From Influent to Effluent The Difference is Clear!