Treatment cost comes to Rs. 2.40 per 1000 liters of effluent per day.
Remarks
:
This
whole STP was designed on the concept of bioengineering based on
Bioclean STP. This plant can treat more than 540 cubic meter of sewage
per day using only 9 HP of power. The outlet BOD is in the range of 4
to 6 ppm. All the treated water is being used by the farmers residing
in the nearby areas on their farms for irrigation. After the Bioclean
STP treatment the total coliform count has gone down by 93 % as
compared to the inlet. The area used for this STP is less than 200
meters.
Sulur Small Tank, Palladam Taluk, Coimbatore District.
Flow per day
:
600 cubic meters.
Inlet BOD
:
520 ppm.
Outlet BOD
:
8 ppm.
Inlet Oil & Grease
:
10 to 20 ppm.
Outlet Oil & Grease
:
Traces.
Inlet Total Coliform
:
100000 MPN/100ml.
Outlet Total Coliform
:
75 MPN/100ml.
Economics
:
Treatment cost comes to Rs. 2.30 per 1000 liters of effluent per day.
Remarks
:
It
is clearly evident that the pathogenic bacteria in the treated water
has been reduced to almost 97 % average. The treated water has been
stored in the neighbouring tanks for recharging. They also have bore
wells around 300 mts. from the storage point and the water is now being
used for external purpose other than drinking application. The quality
of the water in the neighbouring farm wells has improved dramatically
and is now being used for agricultural applications. The Cattle, Birds
and other animals have started consuming the water, which was not the
case before. The Panchayat also claims that the birds, which had
migrated, have also come back.
Mr.
Shetty the owner of the restaurant had to clean up his drainage line
every third day, due to the heavy clogs of grease and oil. Before
addition of Bioclean, the whole pipeline was cleaned. After Bioclean
usage for the past one year he has cleaned the line only twice, because
of blockages due to plastic bags .