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WRF-08-14 evaluation tool. ROSA system analysis. Developed by DOW FILMTEC™. Developed by WateReuse Research Foundation ...

Prepared by Usama Ahmed H. S. Ezzeghni Department of Water Researches, Nuclear Research Center, Tripoli, Libya. [email protected], Tel: +218923046368 April, 2018

Size (mm) Diam.* Length

Part Number

BW30-440i LE-400 LE-440i HRLE-440i BW30HR-440i BW30-400 XLE-440

1,016*1,016 1,016*1,016 1,016*1,016 1,016*1,016 1,016*1,016 1,016*1,016 1,016*1,016

Applied Test Pressure (bar) 15.5 10.3 10.3 10.3 15.5 15.5 8.6

Active area (m2)

Permeate flow rate (m3/d)

Stabilized Salt Rejection (%)

41 41 41 41 41 41 41

43 43 48 48 48 48 53

99.5 99.3 99.3 99.5 99.7 99.5 99.0

Historical BWRO membrane Development 99.5

99.0 53

43

99.5

41

Permeate flow rate

48

99.3

99.0

99.7 48

48

99.3

43

Steve Alt , Reverse Osmosis (RO) and RO Energy Recovery Devices, CH2M HILL, November 2014.

ROSA system analysis

Developed by DOW FILMTEC™

WRF-08-14 evaluation tool

Developed by WateReuse Research Foundation

Case No. Element Type

1

2

3

BW30-440i

LE-400

LE-440i

4

5

6

7

8

HRLE-440i BW30HR-440i BW30-400 BW30-440i+LE- XLE-440

BW30HR440i+HRLE-440i

440i Av. Osmotic Pressure bar

9

6.10

6.08

5.84

6.10

6.11

6.11

6.09

5.98

6.11

5339.83

5339.83

5339.83

5339.83

5339.83

5339.83

5339.83

5339.83

5339.83

Feed Temperature oC

25.0

25.0

25.0

25.0

25.0

25.0

25.0

25.0

25.0

Average NDP bar

9.44

6.58

6.58

5.81

8.56

10.59

8.11

4.88

7.65

Feed Pressure bar

17.82

15.22

14.28

14.33

16.99

19.20

16.34

13.11

15.97

Feed Flow m³/d

1538.46

1538.46

1538.46

1538.46

16.99

1538.46

1538.46

1538.46

1538.46

Permeate Flow m³/d

999.92

999.87

1000.05

1000.05

999.89

999.93

999.82

999.91

999.95

Permeate TDS mg/l

79.81

118.88

130.44

78.58

61.63

72.82

102.01

279.01

65.19

Specific Energy kWh/ m³

0.95

0.81

0.76

0.77

0.91

1.03

0.87

0.70

0.85

Power kW

39.68

33.88

31.79

31.90

37.82

42.74

36.38

29.19

35.55

26.69

24.27

24.27

24.27

26.70

24.27

24.27

24.27

Yes

No

No

No

Yes

No

Feed TDS mg/l

Average Flux lmh Design warnings

No

Yes

Case No. Model Manufacturer Application Application Pump Flow Pump Pressure (kPa) Turbine Flow (L/s) Turbine Pressure (kPa) Membrane Feed Pressure (kPa) Booster Pressure (kPa) Total Power (kW) Turbocharger Efficiency Max Working Pressure (kPa) Min Pump –Side Flow (L/s) Max Pump –Side Flow (L/s) Min Turbine –Side Flow (L/s) Max Turbine –Side Flow (L/s) Min Concentrate Pressure (kPa) Cost

1 LPT-250 ERI Prestage BWRO 17.81 1311.36 6.23 972.97 1448.84 137.48 -7.38 45% 2758 9.5 23.7 4.7 11.8 103.425 15,000

2 HPB60 Fedco Prestage BWRO/ SWRO 17.81 1238.82 6.23 972.97 1448.84 210.0 -9.26 69% 8274 12.6 20.8 6.9 16.7 103.425 15,191

3 LPT-125 ERI Inter-stage BWRO 2929.11 988.21 6.23 1030.17 1248.68 260.47 -7.98 53% 2758 4.4 11.7 2.2 5.8 103.425 11,000

4 HPB40 Fedco Inter-stage BWRO/ SWRO 3014.78 941.03 6.23 1046.48 1271.23 330.20 -9.07 67% 8274 8.3 13.9 4.7 11.1 103.425 12,821

Results & Discussion

BW30-440i+LE-440i 102.01

120 100 80

65

60

36.38

40

16.34

8.775

20

0.87

0 Recovery %

Memrane price $*100.

Power kW

Feed Pressure bar

Specific Energy kWh/m³

Permeate TDS mg/l

BW30-440i+LE-440i 120 102.01

80

65

60 36.38

Memrane price $*100.

40 16.34

8.775

Recovery %

100

20

0.87

Power kW

Feed Pressure bar

Specific Energy kWh/m³

0 Permeate TDS mg/l

LE-400

LE-440i

118.88

130.44

120 100

65

80 60

33.88 15.22

8.01

65 31.79

40 20

0.81

0

Recovery Memrane % price $*100.

Power kW

Feed Specific Permeate Pressure Energy TDS mg/l bar kWh/m³

Recovery %

Memrane price $*100.

HRLE-440i 65 31.9

Recovery Memrane % price $*100.

14.33 0.77 Power kW

Feed Pressure bar

Power kW

0.76

Feed Specific Permeate Pressure Energy TDS mg/l bar kWh/m³

XLE-440 78.58

8.37

14.28

8.73

Specific Permeate Energy TDS mg/l kWh/m³

80 70 60 50 40 30 20 10 0

140 120 100 80 60 40 20 0

279.01

300 250 200

150 100

65 8.37

29.19

50

13.11

Recovery Memrane Power kW Feed % price Pressure $*100. bar

0.7 Specific Energy kWh/m³

0

Permeate TDS mg/l

BW30-HR-440i

65

70

61.63

60 50 40

37.82

30 20

16.99

BW30-400

10

8.37 0.91

0

72.82

65

80 70 60

Recovery Memrane Power kW Feed % price Pressure $*100. bar

Specific Energy kWh/m³

42.74

Permeate TDS mg/l

40

7.83 79.81

65 39.68

Recovery %

Memrane price $*100.

17.82 0.95 Power kW

30

19.2

BW30-440i

8.82

50

Feed Specific Permeate Pressure Energy TDS mg/l bar kWh/m³

20 10

1.03

0 80 70 60 50 40 30 20 10 0

Recovery Memrane Power kW Feed % price Pressure $*100. bar

Specific Energy kWh/m³

Permeate TDS mg/l

65

BW30HR-440i+BW30-440i

68.7

70 60 50

38.37

40 30

17.24 8.595

10

0.92

Recovery Memrane Power kW Feed % price Pressure $*100. bar

65

20

Specific Energy kWh/m³

BW30HR-440i+HRLE-440i

BW30HR-440i+XLE-440

0

170.09

Permeate TDS mg/l

65 34.16 65.19

70

15.35

8.37

0.82

60 50

35.55

40 30

15.97 8.37

Recovery Memrane Power kW Feed % price Pressure $*100. bar

20 10

0.85 Specific Energy kWh/m³

0

Permeate TDS mg/l

Recovery Memrane % price $*100.

Power kW

Feed Pressure bar

Specific Permeate Energy TDS mg/l kWh/m³

180 160 140 120 100 80 60 40 20 0

Case No. Element Type

1

2

3

BW30-440i

LE-400

LE-440i

4

5

6

7

8

HRLE-440i BW30HR-440i BW30-400 BW30-440i+LE- XLE-440

BW30HR440i+HRLE-440i

440i Av. Osmotic Pressure bar

9

6.10

6.08

5.84

6.10

6.11

6.11

6.09

5.98

6.11

5339.83

5339.83

5339.83

5339.83

5339.83

5339.83

5339.83

5339.83

5339.83

Feed Temperature oC

25.0

25.0

25.0

25.0

25.0

25.0

25.0

25.0

25.0

Average NDP bar

9.44

6.58

6.58

5.81

8.56

10.59

8.11

4.88

7.65

Feed Pressure bar

17.82

15.22

14.28

14.33

16.99

19.20

16.34

13.11

15.97

Feed Flow m³/d

1538.46

1538.46

1538.46

1538.46

16.99

1538.46

1538.46

1538.46

1538.46

Permeate Flow m³/d

999.92

999.87

1000.05

1000.05

999.89

999.93

999.82

999.91

999.95

Permeate TDS mg/l

79.81

118.88

130.44

78.58

61.63

72.82

102.01

279.01

65.19

Specific Energy kWh/ m³

0.95

0.81

0.76

0.77

0.91

1.03

0.87

0.70

0.85

Power kW

39.68

33.88

31.79

31.90

37.82

42.74

36.38

29.19

35.55

26.69

24.27

24.27

24.27

26.70

24.27

24.27

24.27

Yes

No

No

No

Yes

No

Feed TDS mg/l

Average Flux lmh Design warnings

No

Yes

Case No. Model Manufacturer Application Application Pump Flow Pump Pressure (kPa) Turbine Flow (L/s) Turbine Pressure (kPa) Membrane Feed Pressure (kPa) Booster Pressure (kPa) Total Power (kW) Turbocharger Efficiency Max Working Pressure (kPa) Min Pump –Side Flow (L/s) Max Pump –Side Flow (L/s) Min Turbine –Side Flow (L/s) Max Turbine –Side Flow (L/s) Min Concentrate Pressure (kPa) Cost

1 LPT-250 ERI Pre-stage BWRO 17.81 1311.36 6.23 972.97 1448.84 137.48 -7.38 45% 2758 9.5 23.7 4.7 11.8 103.425 15,000

2 HPB60 Fedco Pre-stage BWRO/ SWRO 17.81 1238.82 6.23 972.97 1448.84 210.0 -9.26 69% 8274 12.6 20.8 6.9 16.7 103.425 15,191

3 LPT-125 ERI Inter-stage BWRO 2929.11 988.21 6.23 1030.17 1248.68 260.47 -7.98 53% 2758 4.4 11.7 2.2 5.8 103.425 11,000

4 HPB40 Fedco Inter-stage BWRO/ SWRO 3014.78 941.03 6.23 1046.48 1271.23 330.20 -9.07 67% 8274 8.3 13.9 4.7 11.1 103.425 12,821