Zeta Reverse Osmosis System

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ZETA is Sea Water Reverse Osmosis System, which produce fresh water from sea water. This advance SWRO system is equipped with complete set of Pre–Treatment system.
Pre – Treatment Options
  1. Watertech Chemical Process
    Combining Coagulation – Flocculation – Sedimentation in a compact unit
  2. Watertech Dual Media Filters
  3. Antifouling injection system
  4. Disinfection unit, by using special chemical injection system
Typical Flowscheme

Main Equipment Features

 

NO EQUIPMENT BRAND SPECIFICATIONS
1 RO Membranes Filmtec/Hydranautics (USA) Sea water membrane element
1000 psi working pressure
Material Polyamide
2 RO Membrane housing Codeline or equal FRP Housings
1000 psi working pressure
End port/ Side port
3 High pressure pump Cat Pump/Danfoss/Grundfoss
(USA/ Denmark)
Stainless steel 316/ Duplex
Multi piston pump
Pulsation dampener (for CAT)
Over pressure switch
4 Raw water pump Grundfos
(Denmark)
Stainless steel 316
Vertical/ Horizontal multistage
5 High pressure pipe Bridgestone or Equal High pressure flexible hose
1000 psi (68 bar)
Stainless steel 316 Seamless
6 Pressure gauges Watertech/ Equal Stainless steel 316
150 psi/ 1000 psi
Pre – Treatment Options
  1. Watertech Chemical Process, combining Coagulation – Flocculation – Sedimentation in a compact unit.
  2. Watertech Dual Media Filters
  3. Antifouling injection system
  4. Disinfection unit, by using special chemical injection system.

Typical Raw Water Quality

NO
PARAMETER
VALUE
UNIT
SEA WATER OPEN INTAKE BEACH WELL
1 TDS 28.000−36.000 9.000−25.000 ppm
2 Turbidity 10−100 1−10 NTU
3 Calcium 385-433 150−300 ppm
4 Magnesium 1100−1400 200−500 ppm
5 Total Hardness 5000−6500 2000−3000 ppm−CaCO3
6 TOC 3−10 1−10 ppm
7 Silica 1−15 15−50 ppm
8 Iron ≤ 0,02 0,1−10 ppm
9 Manganese ≤ 0,01 0,1−5 ppm

 ZETA Series

 

No.
Types
Capacity Recovery
Membrane Type
No. of
Elements
M3/h GPD %
1 Zeta – 01 5 1320 ± 11 Filmtec SW 30 – 4040 1
2 Zeta – 02 8 2112 ± 22 Filmtec SW 30 – 4040 2
3 Zeta – 03 12 3168 ± 30 Filmtec SW 30 – 4040 3
4 Zeta – 04 15 3960 ± 30 Filmtec SW 30 – 4040 4
5 Zeta – 05 24 6336 ± 33 Filmtec SW 30 – 4040 8
6 Zeta – 06 72 19008 ± 30 Filmtec SW 30HR–LE 400 5
7 Zeta – 07 120 31680 ± 38 Filmtec SW 30HR–LE 400 10
8 Zeta – 08 240 63360 ± 38 Filmtec SW 30HR–LE 400 20