Composite Reverse Osmosis membrane flatsheet series ORM

Brackish water, salt content of up to 2 g/l

Membrane material	Composite polyamide
Membrane type	ORM32K

Test solution 1500 mg/l NaCl in water, pressure 1.0 MPa, temperature 25°С.

Operating conditions and technical data for designing

Operation temperature, С¹	4-45
рН at operation¹	2-11
рН at chemical cleaning (short time operation)	1-12
SDI (15 minutes test), max	5
Turbidity, NTU max	1
Free chlorine content, mg/l max	0,1

1) During continuous operation at pH of over 10 the temperature must not exceed 35°С

Permeate flow, l/m2hr, nominal (min.)	Rejection, %, nominal (min.)
50 (45)	99.2 (98.5)