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Nomenclature: BDX1812-XX. In the product name, "BDX" refers to the brand of membrane, "1812" refers to the size of the membrane element, and "XX" refers to the rated flow in gallons per day at 60 psi.
| Model | BDX1812-50 | BDX1812-75 | BDX1812-100 | ||
Capability
| Materials | PA (polyamide) | ||||
Average Salt Rejection% | 97.5 | 97.5 | 97.0 | |||
Permeate Flow gpd(m3/d) | 50(0.19) | 75(0.28) | 100(0.38) | |||
Error | ±15% | |||||
Active Membrane Area ft2(m2) | 3.5(0.32) | 4.2(0.40) | 6.0(0.50) | |||
Testing Conditions
| Standard Solution | 250 ppm NaCl | ||||
Operating Pressure psi(MPa) | 60 (0.41) | |||||
Recovery Rate of Single Membrane Element | 15% | |||||
Temperature | 25 | |||||
PH Value of Solution | 7.5 | |||||
Limiting Conditions | Max. Feedwater Temperature | 45 | ||||
Max. Operating Pressure psi(MPa) | 300 (2.07) | |||||
Max. Feedwater Flow gpm(m3/h) | 2.5 (0.6) | |||||
Max. SDI of Feedwater | 5 | |||||
Max. NTU of Feedwater | 1 | |||||
Concentration of Free Chlorine --- ppm | < 0.1 | |||||
PH Value Range of Feedwater as Continuous Operation | 3-10 | |||||
PH Value Range of Feedwater as Chemical Cleaning | 2-11 | |||||
Max. Pressure Difference of Single Membrane Element psi(MPa) | 10(0.07) | |||||
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