Specifications
23G-Series RO System
3024270 Rev G 17 14Oct13
1.10 Medical Membrane Element Specification
NaCl rejection: 99.0% Average (98.0% minimum)
Based on a 2,000 mg/L NaCl solution at 225 psig (1,551 kPa) operating
pressure, 77 °F (25 °C), pH 7.5, 15% recovery, after 24 hours. Individual
element flow may vary 15%.
Design Parameters
Maximum pressure: 300 psig (2070 kPa)
Typical cleaning: <200 psig (1450 kPa)
Maximum temperature
Operating: 90 °F (32 °C)
Cleaning: 90 °F (32 °C)
Operating pH: 5.0- 10.0
Cleaning pH: 2.0 - 11.5
Feed NTU: < 1
Feed SDI: < 3
Chlorine tolerance: 1,000 ppm-hours Dechlorination recommended
Maximum Delta P: 10 psig (69 kPa) per element
Element Performance Feed Concentration
Ion
mg/L
% Rejection
Sodium
68.0
99.4
Calcium
80.0
99.8
Magnesium
21.0
99.8
Potassium
4.1
99.4
Sulfate
163.0
99.8
Bicarbonate
132.0
99.3
Chloride
51.0
99.4
Silica
9.3
92.0
TDS
528.0
99.4
Based on a mixed salt feed solution at 225 psig (1,551 kPa) operating
pressure,
77 °F (25 °C), pH 7.5, 15% recovery, after 24 hours.










