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Table 3

Biodegradability and organics to nutrients ratios of urban wastewaters

EffluentsCOD:BOD5COD:N:P
Greywater 2.17 100/7.82/2.92 
Blackwater 1.65 100/2.32/0.50 
Commercial Laundry Wastewater 3.50 100/7.13/21.15 
Hospital Wastewater 2.18 100/6.09/1.76 
Pharmaceutical Wastewater 8.24 100/0.19/0.08 
EffluentsCOD:BOD5COD:N:P
Greywater 2.17 100/7.82/2.92 
Blackwater 1.65 100/2.32/0.50 
Commercial Laundry Wastewater 3.50 100/7.13/21.15 
Hospital Wastewater 2.18 100/6.09/1.76 
Pharmaceutical Wastewater 8.24 100/0.19/0.08 
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