| Client |
Bharat Heavy Electricals Limited [BHEL],
Tiruchirapalli |
| Project |
To assist and advise BHEL to solve these pollution
problems |
| Role |
Consultants
for the following services |
|
1. Characterization of the raw effluent and preliminary
feasibility |
|
2. Development of process design, layout, hydraulic
and structural drawings |
|
3. Preparation of tender documents and evalution
of tenders |
|
4. Construction supervision of the civil and piping
systems & valvings |
|
5. Inspection and certification at factory and on
site |
|
6. Construction supervision and project interim appraisals
to client |
|
7. Commissioing of the plant and demonstration of
the evolved process |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Status |
Assignment started in February 1998 and was completed
in Febraury 2000. |
| Results |
The Phenolic effluent treatment has been commissioned
with the following results: |
| Parameters |
BOD |
COD |
pH |
SS |
Odour |
Colour |
Phenols |
| Raw
effluent |
170 |
720 |
11.03 |
40 |
Phenol |
Dark black |
130 / 250 |
| Treated
effluent |
<10 |
<110 |
7.3 / 7.8 |
<10 |
Nil |
Very faint |
BDL |
The Spent coolant and cutting oil is recovered and reused
with zero discharge by membrane technology.
The entire electro plating baths are recovered and reused
with zero discharge by membrane technology