Reverse Osmosis System Analysis for FILMTEC™ Membranes ROSA 7.2.1 ConfigDB u392554_129
Project: Project Case: 1
yx, 8/14/2012
Project Information:
Case-specific:
System Details
Feed Flow to Stage 1 15.33 m³/h Pass 1 Permeate Flow 10.00 m³/h Osmotic Pressure:
Raw Water Flow to System 13.33 m³/h Pass 1 Recovery 75.01 % Feed 2.40 bar
Feed Pressure 15.55 bar Feed Temperature 20.0 C Concentrate 9.13 bar
Flow Factor 0.85 Feed TDS 2433.79 mg/l Average 5.77 bar
Chem. Dose (100% H2SO4) 0.00 mg/l Number of Elements 16 Average NDP 8.77 bar
Total Active Area 542.54 M² Average Pass 1 Flux 18.43 lmh Power 8.28 kW
Water Classification: Surface Supply SDI < 5 Specific Energy 0.83 kWh/m³
Permeate Flux reported by ROSA is calculated based on ACTIVE membrane area. DISCLAIMER: NO WARRANTY, EXPRESSED OR IMPLIED, AND NO WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, IS GIVEN. Neither FilmTec Corporation nor The Dow Chemical Company assume any obligation or liability for results obtained or damages incurred from the application of this information. Because use conditions and applicable laws may differ from one location to another and may change with time, customer is responsible for determining whether products are appropriate for customer’s use. FilmTec Corporation and The Dow Chemical Company assume no liability, if, as a result of customer's use of the ROSA membrane design software, the customer should be sued for alleged infringement of any patent not owned or controlled by the FilmTec Corporation nor The Dow Chemical Company.
Reverse Osmosis System Analysis for FILMTEC™ Membranes ROSA 7.2.1 ConfigDB u392554_129
Project: Project Case: 1
yx, 8/14/2012
Design Warnings
-None-
Solubility Warnings
Langelier Saturation Index > 0
Stiff & Davis Stability Index > 0
CaF2 (% Saturation) > 100%
Antiscalants may be required. Consult your antiscalant manufacturer for dosing and maximum allowable system recovery.
Permeate Flux reported by ROSA is calculated based on ACTIVE membrane area. DISCLAIMER: NO WARRANTY, EXPRESSED OR IMPLIED, AND NO WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, IS GIVEN. Neither FilmTec Corporation nor The Dow Chemical Company assume any obligation or liability for results obtained or damages incurred from the application of this information. Because use conditions and applicable laws may differ from one location to another and may change with time, customer is responsible for determining whether products are appropriate for customer’s use. FilmTec Corporation and The Dow Chemical Company assume no liability, if, as a result of customer's use of the ROSA membrane design software, the customer should be sued for alleged infringement of any patent not owned or controlled by the FilmTec Corporation nor The Dow Chemical Company.
全部回答（20 ）
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李水水
楼上的正解，要这样的回收率要回流浓水
2012-08-29 21:30:29
来自 PC
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yangxu1205
Reverse Osmosis System Analysis for FILMTEC™ Membranes ROSA 7.2.1 ConfigDB u392554_129
2012-08-14 21:18:14
来自 PC
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加载更多Project: Project Case: 1
yx, 8/14/2012
Project Information:
Case-specific:
System Details
Feed Flow to Stage 1 15.33 m³/h Pass 1 Permeate Flow 10.00 m³/h Osmotic Pressure:
Raw Water Flow to System 13.33 m³/h Pass 1 Recovery 75.01 % Feed 2.40 bar
Feed Pressure 15.55 bar Feed Temperature 20.0 C Concentrate 9.13 bar
Flow Factor 0.85 Feed TDS 2433.79 mg/l Average 5.77 bar
Chem. Dose (100% H2SO4) 0.00 mg/l Number of Elements 16 Average NDP 8.77 bar
Total Active Area 542.54 M² Average Pass 1 Flux 18.43 lmh Power 8.28 kW
Water Classification: Surface Supply SDI < 5 Specific Energy 0.83 kWh/m³
Stage Element #PV #Ele Feed Flow
(m³/h) Feed Press
(bar) Recirc Flow
(m³/h) Conc Flow
(m³/h) Conc Press
(bar) Perm Flow
(m³/h) Avg Flux
(lmh) Perm Press
(bar) Boost Press
(bar) Perm TDS
(mg/l)
1 BW30-365 FR 2 5 15.33 15.21 2.00 7.94 14.67 7.39 21.80 0.00 0.00 34.99
2 BW30-365 FR 1 6 7.94 14.32 0.00 5.33 13.54 2.61 12.83 0.00 0.00 90.28
Pass Streams
(mg/l as Ion)
Name Feed Adjusted Feed Concentrate Permeate
Initial After Recycles Stage 1 Stage 2 Stage 1 Stage 2 Total
NH4 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
K 30.00 30.00 41.01 77.86 114.29 1.40 3.46 1.94
Na 700.00 872.16 1206.34 2316.50 3433.90 13.21 34.65 18.80
Mg 60.00 60.00 83.19 160.11 237.85 0.53 1.34 0.75
Ca 300.00 300.00 416.00 800.65 1189.48 2.60 6.62 3.65
Sr 0.60 0.60 0.83 1.60 2.38 0.01 0.01 0.01
Ba 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
CO3 0.31 0.31 0.65 2.23 4.47 0.00 0.00 0.00
HCO3 53.67 53.67 73.98 140.40 206.29 0.57 1.22 0.73
NO3 15.00 15.00 19.49 35.15 49.22 2.66 6.42 3.64
Cl 15.00 15.00 20.81 40.07 59.54 0.11 0.30 0.16
F 1083.65 1083.65 1500.23 2883.21 4277.36 13.89 36.22 19.72
SO4 1.40 1.40 1.95 3.75 5.58 0.01 0.01 0.01
SiO2 2.00 2.00 2.77 5.34 7.94 0.01 0.04 0.02
Boron 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
CO2 1.44 1.44 1.48 2.06 2.78 1.54 2.21 1.72
TDS 2261.63 2433.79 3367.25 6466.88 9588.31 34.99 90.28 49.42
pH 7.60 7.60 7.70 7.76 7.75 5.78 5.93 5.84
Permeate Flux reported by ROSA is calculated based on ACTIVE membrane area. DISCLAIMER: NO WARRANTY, EXPRESSED OR IMPLIED, AND NO WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, IS GIVEN. Neither FilmTec Corporation nor The Dow Chemical Company assume any obligation or liability for results obtained or damages incurred from the application of this information. Because use conditions and applicable laws may differ from one location to another and may change with time, customer is responsible for determining whether products are appropriate for customer’s use. FilmTec Corporation and The Dow Chemical Company assume no liability, if, as a result of customer's use of the ROSA membrane design software, the customer should be sued for alleged infringement of any patent not owned or controlled by the FilmTec Corporation nor The Dow Chemical Company.
Reverse Osmosis System Analysis for FILMTEC™ Membranes ROSA 7.2.1 ConfigDB u392554_129
Project: Project Case: 1
yx, 8/14/2012
Design Warnings
-None-
Solubility Warnings
Langelier Saturation Index > 0
Stiff & Davis Stability Index > 0
CaF2 (% Saturation) > 100%
Antiscalants may be required. Consult your antiscalant manufacturer for dosing and maximum allowable system recovery.
Stage Details
Stage 1 Element Recovery Perm Flow (m³/h) Perm TDS (mg/l) Feed Flow (m³/h) Feed TDS (mg/l) Feed Press (bar)
1 0.11 0.86 23.36 7.67 3367.25 15.21
2 0.12 0.80 28.00 6.81 3787.14 15.05
3 0.12 0.75 34.09 6.01 4289.40 14.93
4 0.13 0.68 42.25 5.26 4891.68 14.82
5 0.13 0.61 53.49 4.58 5612.43 14.74
Stage 2 Element Recovery Perm Flow (m³/h) Perm TDS (mg/l) Feed Flow (m³/h) Feed TDS (mg/l) Feed Press (bar)
1 0.07 0.56 60.98 7.94 6466.88 14.32
2 0.07 0.51 71.15 7.39 6949.96 14.15
3 0.07 0.46 83.53 6.88 7457.33 14.00
4 0.06 0.41 98.70 6.42 7983.26 13.87
5 0.06 0.36 117.36 6.01 8520.11 13.75
6 0.06 0.32 140.34 5.65 9058.48 13.64
Permeate Flux reported by ROSA is calculated based on ACTIVE membrane area. DISCLAIMER: NO WARRANTY, EXPRESSED OR IMPLIED, AND NO WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, IS GIVEN. Neither FilmTec Corporation nor The Dow Chemical Company assume any obligation or liability for results obtained or damages incurred from the application of this information. Because use conditions and applicable laws may differ from one location to another and may change with time, customer is responsible for determining whether products are appropriate for customer’s use. FilmTec Corporation and The Dow Chemical Company assume no liability, if, as a result of customer's use of the ROSA membrane design software, the customer should be sued for alleged infringement of any patent not owned or controlled by the FilmTec Corporation nor The Dow Chemical Company.
Scaling Calculations
Raw Water Adjusted Feed Concentrate
pH 7.60 7.60 7.75
Langelier Saturation Index 0.06 0.06 1.36
Stiff & Davis Stability Index -0.01 -0.01 0.75
Ionic Strength (Molal) 0.07 0.07 0.27
TDS (mg/l) 2261.63 2433.79 9588.31
HCO3 53.67 53.67 206.29
CO2 1.44 1.44 2.78
CO3 0.31 0.31 4.47
CaSO4 (% Saturation) 0.05 0.05 0.26
BaSO4 (% Saturation) 0.00 0.00 0.00
SrSO4 (% Saturation) 0.00 0.00 0.02
CaF2 (% Saturation) 46831086.53 46831086.53 2892966358.06
SiO2 (% Saturation) 1.74 1.74 6.90
Mg(OH)2 (% Saturation) 0.00 0.00 0.03
To balance: 172.16 mg/l Na added to feed.