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Standart elements K 8040-C (2,3)

 

Application

Brackish water up to 5 g/l

Model A, mm B, mm C, mm D, mm Weight, kg
K 8040-C-2 1016.00 200.10 28.60 0.00 15.80
K 8040-С-3 1016.00 200.10 28.60 0.00 15.30
K 8040-C 1016.00 200.10 28.60 0.00 14.80

Product description

Membrane material Composite polyamide
Membrane type ОРМ31К
Design Spiral wound
Application Desalination of brackish water

Specification

Model Flux, GPD Rejection, % Area Spacer
m2 ft2 mm mil
K 8040-C-2 10 500 99.50 / 99.10 37.00 400.00 0.79 31.00
K 8040-С-3 9 900 99.50 / 99.10 35.00 375.00 0.86 34.00
K 8040-C 11 000 99.50 / 99.10 39.00 420.00 0.71 28.00

TEST CONDITIONS: test solution of NaCl 1500 mg/l, P=1,55 MPa, T=25 C , pH=7,5. Recovery - 15%

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 1,2-2,0
Maximum operation pressure, MPa 4,1
Maximum pressure drop, MPa 0,07
Operation temperature, С1 4-45
рН at operation1 2-11
рН at chemical cleaning (short time operation) 2-11;1-11,5;1-12
Concentrate/permeate ratio on each element, min 5:1
Free chlorine content, mg/l max 0,1
Maximum feed flow, m3/hr 17
Chemical washing, T T≤45;Т≤35;Т≤25
1) During continuous work with pH over 10 the temperature must not exceed 35 C 2) Flow of each element in a batch may vary +25% /- 15%