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STRO

STRO

产品描述: STRO

Spacer Tube RO/NF STRO / STNF

 

STRO/STNF Membrane Introduction

 

With the development of membrane technology industry, there are differentiated requirements to the performance of the membrane products, such as lower feed quality requirements, higher pressure to improve concentration ratio, longer cleaning cycle and service life. As a result, the open channel type with high pressure membrane arises at the historic moment.

> Used for sea water desalination and waste water treatment.

> Spacer tube (ST) module is high strength design, from 70bar up to 120 bar operating pressure.
> Open feed spacer with low flow resistance and concentration polarization.
> Spiral wound structure with more membrane area.

 

Features

High strength design, up to 120 bar operating pressure

Open feed spacer with low flow resistance and concentration  polarization 

Spiral wound structure with more membrane area 

More options for feed spacer

 

 

Applications

Industrial wastewater

High salts wastewater

Spiral wound RO/NF concentrates

 

Open feed spacers

 

 

STRO/STNF module

STRO/STNF membrane

High pressure vessel 

SUS center link

Inlet and outlet pipe and accessories

 

 

Comparison of STRO/STNF Membrane and conventional RO/NF Membrane

 

Identical

High membrane area

Integrated design

Cross flow filtration

 

Difference

SUS center link with high strength and stability

Uniform internal water distribution structure

Reduced impact of the membrane module flow, higher cross-flow

Open feed channel

 

 

STRO/STNF Membrane Specifications

 

   Type

STRO

STNF

   Model

STRO1-8035

   STRO5-8042

STNF2-8042

   Membrane type

RO1

RO5

NF2

   Membrane materia

Composite Polyamide

   Membrane effective area (m2)

25

27

27

   Element configuration *

Spiral, fierglass, brine seal

   Feed flux range (m3/h)

5.5-12

5.5-12

   Recommended feed flux (m3/h)

10

10

   Stable permeate flux ** (m3/d)

24

18

25

   Stable salt rejection  **(%)

98.5

99.5

98

   Min. salt rejection (%)

97.5

99

96

   Feed spacer

Special open channel

   Max. TMP (bar)

0.7

0.7

   Max. operation pressure  (bar)

120

90

   Max. operation temperature  (℃)

40

40

   Feed (SDI)

≤ 6.5

≤ 6.5

   pH  (continuous)

3-11

3-11

   pH (cleaning)

2-12

2-12

   Chlorine tolerance (ppm)

≤ 0.1

≤ 0.1

 

 

Salt seal installed on the end of the flow, low pressure side / permeate side.

Stable flux, salt rejection based on the following test conditions:

RO1: 2000mg/l NaCl , pressure 15.5bar, recycle rate 15% , temperature 25℃, pH=8. 

RO5:32,000 mg/l NaCl , pressure 55bar, recycle rate 8%, temperature 25℃, pH=8. 

NF2:2000 mg/l MgSO4,  pressure 7barr, recycle rate 15% , temperature 25℃, pH=8.

Note: We can provide any flat sheet membrane to make ST module, for example: STRO4-8035, STRO5-8035, STRO1-8042, STNF1-8042, etc.

 

 

Model

8035

8042

Element total length (A)

890mm

1070mm

Element diameter (B)

200mm

200mm

Center tube outer diameter (C)

60.2mm

60.2mm

Membrane body length (D)

838mm

1016mm

 

STRO Membrane Element

 

Features: 

Spiral High Pressure, High Rejection, Open Spacer.

 

Applications: 

Landfill Leachate & Other High TSS Water.

 

STRO Membrane Element Specification

 

Model

STRO1-8035

STRO4-8035

STRO5-8035

STNF2-8035

Membrane Sheet Type

RO1

RO4

RO5

NF2

Membrane Material

Polyamide

Effective Membrane Area

25m2 (269ft2)

Construction *

Spiral Wound Element with GRP Outerwrap,Brine Seal

Feed Flow Rate Range

5.5-12m3/h

Permeate Flow Rate

24m3/d

9.5m3/d

16m3/d

22m3/d

Nominal Rejection 

98.5%

99.6%

99.5%

98.0%

Minimum Rejection

97.5%

99.0%

99.0%

96.0%

Feed Spacer

Special open type

Element Dry Weight

18kgs

Max. Element Pressure Drop

0.7bar

Max. Operation Pressure

90bar

Max. Operation Temperature

40℃

pH continuous

3-11

pH CIP

2-12

Chlorine Tolerance

≤0.1ppm

 

 

Brine seal to be installed in flow direction on the low pressure side/element outlet side.

Performance specifications shown are nominal values. Individual module permeate flow rate may vary based on inlet water condition. RO1 test condition: 2,000mg/l NaCl solution at 15.5bar applied pressure, 15% recovery, 25℃, pH=8; RO4 test condition: 32,000mg/l NaCl solution at 55.2bar applied pressure, 15% recovery, 25℃, pH=8.

Please note flow rate for different water condition may vary.

 

STRO Membrane Element Dimensions

 

 

Model

STRO-8035

Element Total Length ("A")

890mm

Element Diameter ("B")

200mm

Permeate Tube Outer Diameter ("C")

60.2mm

Element Total Length ("D")

838mm

 

STRO Membrane Module Dimensions

 

 

STRO Membrane Element

 

Features: 

Spiral High Pressure, High Rejection, Open Spacer.

 

Applications: 

Landfill Leachate & Other High TSS Water.

 

STRO Membrane Element Specification

 

Model

STRO1-8042

STRO4-8042

STRO5-8042

STNF2-8042

Membrane Sheet Type

RO1

RO4

RO5

NF2

Membrane Material

Polyamide

Effective Membrane Area

27m2 (290.52ft2)

Construction *

Spiral Wound Element with GRP Outerwrap,Brine Seal

Applications

High TSS water

Feed Flow Rate Range

5.5-12m3/h

Permeate Flow Rate

30m3/d

13m3/d

18m3/d

25m3/d

Nominal Rejection **

98.5%

99.6%

99.5%

98.0%

Minimum Rejection

97.5%

99.0%

99.0%

96.0%

Feed Spacer

Special open type

Element Dry Weight

20kgs

Max. Element Pressure Drop

0.7bar

Max. Operation Pressure

75bar

Max. Operation Temperature

40℃

pH continuous

3-11

pH CIP

2-12

Chlorine Tolerance

≤0.1ppm

 

Brine seal to be installed in flow direction on the low pressure side/element outlet side.

Performance specifications shown are nominal values. Individual module permeate flow rate may vary based on inlet water condition. RO1 test condition: 2,000mg/l NaCl solution at 15.5bar applied pressure, 15% recovery

25℃, pH=8; RO4 test condition: 32,000mg/l NaCl solution at 55.2bar applied pressure, 15% recovery, 25℃, pH=8. Please note flow rate for different water condition may vary.

 

STRO Membrane Element Dimensions

 

 

Model

STRO-8042

Element Total Length ("A")

1070mm

Element Diameter ("B")

200mm

Permeate Tube Outer Diameter ("C")

60.2mm

Element Total Length ("D")

1016mm

 

 

STRO Membrane Module Dimensions

 

 

How STRO membrane works

 

 

Product Show

 

 

 

 

Packaging

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产品名称:STRO

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