UMPP Seawater Reverse Osmosis Plant, India
Key Data:
Project type
SWRO Plant
Construction start
March 2009
Completion
Mid-2010
Plant capacity
25,200m³ per day
Cost
$15.47m
Water Data:
Treated Water Quality:
Permeate water composition after first Pass RO
pH
5.5 – 6.5
Total suspended
Below deductable limit
Total dissolved
Less than 500ppm (When feed TDS is 46,000ppm)
Less than 450ppm (When feed TDS is 42,000ppm)
Less than 450ppm (When feed TDS is 42,000ppm)
Permeate water composition after second pass RO
pH
5.0–6.0
Total dissolved
Less than 7ppm
(When feed TDS for 1st Pass RO is 46,000ppm)
Less than 5ppm
(When feed TDS for 1st Pass RO is 42,000ppm)
(When feed TDS for 1st Pass RO is 46,000ppm)
Less than 5ppm
(When feed TDS for 1st Pass RO is 42,000ppm)
Key Players:
Client
Coastal Gujarat Power Limited / Tata Power Limited
Key contractor and technology provider
Aquatech
Feed Seawater Analysis:
Suspended Solids
1,000mg per litre
Sodium as Na
14,490mg per litre
Calcium as Ca
1,990mg per litre
Magnesium as Mg
510mg per litre
Total hardness as CaCO3
7,100mg per litre
Turbidity
170NTU
Chlorides as Cl
23,500mg per litre
Sulphates as CaCO3
4,475mg per litre
Bicarbonates as CaCO3
990mg per litre
Potassium
NIL
TDS
46,000mg per litre
Iron as Fe
NIL
COD
170mg per litre
BOD
50mg per litre
Colloidal silica as CaCO3
Nil
Silica reactive as CaCO3
3mg per litre
Odour
Odourless
TOC
2mg per litre
pH
7.8
Temperature
95°F (34°C)
