SPACER TUBE MODULE TECHNOLOGY

Feedwater Permeat

Pressure

Flow

Semi-permeableMembrane

Conditions

Feedwater concentration 36.000 ppm

Operating pressure 60 bar 870 � 94 0 PSI

Feed temperature 25 0C 77 0F

Recovery rate 20-30 %

Silt density index ≤15 %/min

Turbidity ≤15 NTU

Selection Guide

ROCHEM RO-SW Pure Water Output

Type A RO-SW 10 S 10 m3/day 2.600 GPD

RO-SW 30 S 30 m3/day 7.900 GPD

RO-SW 45 S 45 m3/day 11.900 GPD

Type B RO-SW 80 S 80 m3/day 21.100 GPD

RO-SW 100 S 100 m3/day 26.000 GPD

RO-SW 120 S 120 m3/day 31.200 GPD

Type C RO-SW 150 S 150 m3/day 39.000 GPD

RO-SW 180 S 180 m3/day 46.700 GPD

RO-SW 200 S 200 m3/day 52.000 GPD

RO-SW 240 S 240 m3/day 62.300 GPD

RO-SW 300 S 300 m3/day 78.000 GPD

Konzentrataustritt

concentrateout

Seewassereintritt

inletseawater

A

Municipal Water Treatment

Recovery: 75% Operating pressure: 40 bar

Feedwater Purewater

Conduct. 753 µS/cm 13 µS/cm

TDS 665 ppm 6,0 ppm

NA 49 ppm 1,3 ppm

K 5,8 ppm 0,1 ppm

Ca 113 ppm 0,4 ppm

Mg 10,6 ppm 0,04 ppm

CI 142 ppm 3,3 ppm

SO4 106 ppm �

Si 25 ppm 0,3 ppm

B

Brackish Water Desalination

Recovery: 50% Operating pressure: 40-50 bar

Feedwater Purewater

Conduct. 14,190 µS/cm 193 µS/cm

TDS 8,989 ppm 104 ppm

NA 2,368 ppm 39 ppm

K 80 ppm 2 ppm

Ca 107 ppm 0,24 ppm

Mg 294 ppm 0,48 ppm

CI 4,320 ppm 61 ppm

SO4 607 ppm �

Si 0,3 ppm �

C

Sea Water Desalination

Recovery: 30% Operating pressure: 60 bar

Feedwater Purewater

Conduct. 48,900 µS/cm 600 µS/cm

TDS 34,340 ppm 340 ppm

NA 9,600 ppm 96 ppm

K 34 ppm 0,8 ppm

Ca 327 ppm 1,6 ppm

Mg 1,360 ppm 3,4 ppm

CI 20,210 ppm 239 ppm

SO4 2,590 ppm 239 ppm

Si 0,1 ppm �