| Client |
Shansun Chemicals and Drugs
Limited, Pondicherry |
| Project |
Project Management Consultants from concept
to commissioning to identify a treatment process with
potential for future zero discharge capability |
| Role |
Consultants for the following services |
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1. Study of existing practices of in-house generation
of effluents |
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2. Effluent sampling, analysis and statistical
validation of design basis |
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3. Laboratory treatability study for
bacterial metabolism and kinetics |
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4. Developing treatment process for potential
zero discharge upgrade later |
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5. Development retrofit to existing ETP,
layout and hydraulics for new ETP |
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6. Identifying desalting technoligies
for zero discharge enhancements |
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7. Devising the stepwise implementation
programme in stages |
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8. Preparation of tender document and
evalutionof tenders |
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9. Inspection and certificates of equipments
and off-site deliveries |
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10. Certifying specific alignments of
high speed centrifuge systems |
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11. Interactions with client, civil and
equipment contractors & P C Board |
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12.Supervision of construction, trial
run, test run and commissioning |
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Status |
The assignment started in 2000 and has
been completed upto activity 11 above. |
| Results |
The results of treatment are forecast as under: |
| Parameters |
BOD |
COD |
pH |
SS |
Sulphide |
Colour |
Odour |
| Raw
effluent |
500
/ 550 |
16000Max |
4.1
to 7.8 |
700
/ 750 |
Trace |
Varying |
Intense |
| Treated
effluent |
20 / 30 |
As occurs |
7.5 / 8.3 |
40 / 50 |
nil |
Colourless |
BDL |
The entire ETP is accommodated in a footprint of 30 m x
12m and is a single storied structure
The process is designed as a multistage chemical treatment
to sustain to varying raw effluent quality