DESCRIPTION
Reverse osmosis (RO) is a water purification process that uses a semi permeable membrane to separate ions, unwanted molecules and larger particles from drinking water. Water is forced through these membranes with the use of pressure and force (typically from a pumping system), the usual process of osmosis is reversed via feed water being pushed through the semi-permeable membranes.
Technical Specifications of DOW RO Membrane BW30-365 8040:-
FOR BW30-365
FilmTec Product: BW30-365
Size (Approximate): 8" Dia. x 40"L
Flow Rate: 9,500 gpd (36 m³/d)
Applied Pressure: 225 psig (15.3 bar)
Stabilized Salt Rejection: 99.5%
Minimum Salt Rejection: 99.0%
Active Surface Area: 365 Sq. Ft.
Single Element Recovery: 15%
End Style: Standard Flush Cut
Exterior: Hard Shell Fiberglass
Feed Spacer: 34 mil
Membrane Type: Polyamide Thin-Film Composite
Permeate flow and salt rejection based: 2,000 ppm NaCl feed stream, 77°F, 15% recovery, 225 psig.
OPERATING LIMITS FOR BW30-365
Maximum Operating Temperature: 113°F (45°C)
Maximum Operating Pressure: 600 psig (41 bar)
Maximum Pressure Drop: 15 psig (1 bar)
Maximum Feed Flow Rate: 85 gpm (19m³/h)
pH Range, Continuous Operation*: 2-11
pH Range, Short-Term Cleaning**: 1-13
Maximum Feed Silt Density Index: SDI 5
Free Clorine Tolerance***: <0.1ppm
*Maximum temperature for continuous operation above pH 10 is 95°F