TYPE OF INSTALLATION
|
CHE-PHY
|
BIOLOGICAL
|
| General purifying yield |
~50%
|
> 90%
|
| COD/BOD Reduction |
50-60%
|
90-95%
|
| Color Elimination |
Yes
|
Yes > 90%
|
| Ammonia Elimination |
No
|
Yes >95%
|
| Nitrogen Elimination Total |
~30%
|
>95%
|
| Phenol Elimination |
No
|
>90%
|
| Final Salinity With Respect Water To be purified |
Higher then input
|
Same as Input
|
| Sludge produced per m3 of Effluent Treatment |
6 kg
|
0.1-0.2 kg
|
| Sludge produced per Kg of COD |
1.8 kg
|
0.2 kg
|
| Sludge character |
Toxic
|
Non-Toxic
|
| Sludge disposal |
Very Difficult
|
Very-Easy
|
| Running cost per m3 of Effluent Treatment |
TK.25.0-30.0/-
|
TK.3.5-4.0/-
|
| Initial cost (Chemical-Physical Base 100) |
100
|
200/220
|
| Space Occupied For 1000 m3 /day |
300-350m3
|
At least 600 m3
|
| Reliability |
30%
|
80%
|
| Possibility Fish Life Directly In Purified H20 |
No
|
Yes
|
| Possibility Reuse of Purified Water for Irrigation |
No
|
Yes
|
| Compliance With European Laws (very strict) |
No
|
Yes all
|
| Produced of bad smell |
Yes
|
No
|
| Treatment Quality |
Improper, Bangladesh Standard
|
Proper, European Standard
|
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