•  English
  •  Русский
  •  中國
  •  Español
  • CONTACT US

High rejection membrane element KM 8040-CM (2,3)

 

Application

Sea and highly mineralized water up to 45 g/l

Model A, mm B, mm B' (ATD), mm C, mm D, mm Weight, kg
KM 8040-CM 1016.00 200.10 0.00 28.60 0.00 15.50
KM 8040-CM2 1016.00 200.10 0.00 28.60 0.00 15.50
KM 8040-CM3 1016.00 200.10 0.00 28.60 0.00 15.50

Product description

Membrane material Composite polyamide
Membrane type ОРМ45К
Design Spiral wound
Application Sea water desalination

Specification

Model Flux, GPD Rejection, % Area Spacer
m2 ft2 mm mil
KM 8040-CM 8 000 99.80 / 99.60 39.00 420.00 0.71 28.00
KM 8040-CM2 7 600 99.80 / 99.60 37.00 400.00 0.79 31.00
KM 8040-CM3 7 100 99.80 / 99.60 35.00 375.00 0.86 34.00

TEST CONDITIONS: test solution of NaCl 32 g/l, P=5,5 MPa, T=25 C , pH=7,5. Recovery -8%

Nominal rejection is reached after 48 hours of continuous operation on test solution.

Minimal rejection of a new element after 20 minutes test on test solution.


Operating conditions and technical data for designing
Recommended operation pressure, MPa 4,5-6,5
Maximum operation pressure, MPa 7
Maximum pressure drop, MPa 0.1
Operation temperature, С 4-45
рН at operation 2-11
рН at chemical cleaning (short time operation) t<45C 2-11;t<35C 1-11,5;t<25C 1-12
Concentrate/permeate ratio on each element, min 10:1
SDI (15 minutes test), max 5
Turbidity, NTU max 1
Free chlorine content, mg/l max 0.1
Maximum feed flow, m3/hr 17