MEMBRANES TEST CONDITIONS CHART


Test Conditions

Solution
TDS

Applied
Pressure

pH

Recovery

Operating
Temperature

1

500 +/- ppm NaCl

65 +/- 2 psig

6.5-70

10% +/- 5%

77 deg. F (25 deg C)

2

1500 +/- 100 ppm NaCl

225 +/- 5 psig

6.5-70

10% +/- 5%

77 deg. F (25 deg C)

3

700 ppm

100 psig

7.0-7.5

15%

77 deg. F (25 deg C)

4

700 ppm *

109 psig

7.0-7.5

15%

77 deg. F (25 deg C)

5

32,000 +/- 1,000 ppm NaCl

800 +/- 10 psig

6.5-7.0

10% +/- 5%

77 deg. F (25 deg C)

6

500 +/- 2000 ppm NaCl

75 +/- psig

6.5-7.0

10% +/- 5%

77 deg. F (25 deg C)

7

1500 +/- 100 ppm NaCl

150 +/- 5 psig

6.5-7.0

10% +/- 5%

77 deg. F (25 deg C)

8

32000 ppm NaCl

800 psig

6.5-7.0

7%

77 deg. F (25 deg C)

9

500 +/- 50 ppm NaCl

60 +/-2 psig

6.5-7.5

15% +/- 5%

77 deg. F (25 deg C)

10

500 +/- 50ppm NaCl

150 +/- 5 psig

6.5-7.5

15% +/- 5%

77 deg. F (25 deg C)

11

500 +/- 50ppm NaCl

205 +/- 5 psig

7.0-7.5

15% +/- 5%

77 deg. F (25 deg C)

12

2000 +/- 100 ppm NaCl

225 +/- 5 psig

7.0-7.5

15% +/- 5%

77 deg. F (25 deg C)

*At least 45% is monovalent

Notice: Permeate flow for individual elements may vary +/- 15%. All membrane elements are supplied with a brine seal, interconnector, and O-rings. Elements are vacuum-sealed in a preservative solution containing 1.0% sodium bisulfite and 20% propylene glycol.

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