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产品描述: DTRO

Disc Tubu RO Membrane DTRO DTNF

 

Disk tubular RO/NF DTRO / DTNF

DTRO/DTNF Introduction

 

Disk tubular membrane technology referred to as DT, common for disk tubular RO(DTRO) and disk tubular (DTNF). The membrane module structure is distinct from the traditional spiral wound membrane.With open flow channels,feed flows through the entrance into the pressure vessel and reach the disk in a short distance. Then the feed flows 180 degrees from one side of the membrane reverse flow into the other side of the membrane,into the next disk again and finally runoff from outlet.The special design makes feed collide with the disk bulge through the membrane surface forming turbulence which increases flow rate and self-cleaning function and long service life of the membrane.

 

 

Features

High strength design, up to 120 bar operating pressure

Open disk with low flow resistance and concentration polarization 

High pressure resistance and salt rejection membrane

 

Applications

Landfill leachate

High concentration of industrial wastewater

Spiral wound RO/NF concentrates

Industrial high salts water 

 

 

DTRO/DTNF module

DTRO/DTNF Membrane 

Disk 

SUS center link 

High pressure vessel

Inlet and outlet pipe and accessories

 

 

A typical process diagram

 

 

DTRO/DTNF Specifications

 

 

   Items

High pressure

High pressure

Super high pressure

   Mode

DTRO-1

DTNF-1

DTRO-2

   Membrane material

Composite Polyamide

Composite Polyamide

Composite Polyamide

   Disk qty. (pc)

209

209

209

   Rejection (%)

99

97

99

   Membrane effective area (m2)

9.4

9.4

9.4

   Feed flux (l/h)

500-1200

500-1200

500-1000

   Permeate flux range (l/h)

8-40

8-40

8-35

   Disk material

ABS

ABS

ABS

   Vessel materia

Fiberglass

Fiberglass

Fiberglass/SUS

   Operation pressure (bar)

75

75

120

   Max. TMP (bar)

9

9

9

   Max. operation temperature (℃)

40

40

40

   Chlorine tolerance (ppm)

<0.1

<0.1

<0.1

   Recommended operation pH

6-9

6-9

6-9

   Chemical cleaning  pH@40℃

2-11

2-11

2-11

 

Note:

Performance data above is the nominal value.

The actual permeate flux of individual module may be in ±15% range.                

Test condition:

RO: NaCl 32,000mg/L@800psi.

NF: MgSO4 30,000mg/L@600psi.

 

 

DTRO High Pressure Disc Tubu RO Membrane Element

 

Application:

Lanfill leachate and other high TSS waste water

 

DTRO Membrane Element Dimensions

 

 

DTRO-1 size is 216mm, DTRO-2 size is 220mm.

 

DTRO Membrane Element Specifications:

 

Model

DTRO-1

DTRO-2

Membrane type

BW type

SW type

Membrane material

Polyamide composite

Polyamide composite

Membrane cushion qty.(pc)

209

209

Membrane element structure

Disc tube with GRP vessel

Disc tube with GRP vessel

Membrane effective area

9.4m2 (101ft2)

9.4m2 (101ft2)

Rejection(%) *

98

99

Lowest rejection(%)

95

98

Feed flow( l/h)

500-1000 l/h

500-1000 l/h

Permeate flow( l/h)

80-450 l/h

80-350 l/h

Disc material

ABS

ABS

Max. feed side pressure drop:

9bar

9bar

Max. feed side operation pressure

75bar

90bar

Max. operating temperature:

40℃

40℃

Allowable pH – continuous operation:

6-9

6-9

Allowable pH – short term cleaning @40℃ range

2-12

2-12

Free chlorine tolerance

≤0.1ppm

≤0.1ppm

Water inlet and outlet connection (mm)

12 swagelock

12 swagelock

Permeate connection (mm)

9 coupling hose pipe

9 coupling hose pipe

 

Note: 

Performance data above is the normal value. 

The actual permeate flux of individual module may be in ±15% range.

Test conditions: 

RO: NaCl 32,000.mg/L @55.2 bar.

 

DTRO Super High Pressure Disc Tubu RO Membrane Element

 

Application:

Lanfill leachate and other high TSS waste water

 

DTRO Membrane Element Dimensions

 

 

DTRO Membrane Element Specifications:

  

Model

DTRO-H1

DTRO-H2

Membrane type

SW type

SW type

Membrane material

Polyamide composite

Polyamide composite

Membrane cushion qty.(pc)

209

209

Membrane element structure

Disc tube with GRP vessel

Disc tube with GRP vessel

Membrane effective area

9.4m2 (101ft2)

9.4m2 (101ft2)

Rejection(%) *

99

99

Lowest rejection(%)

98

98

Feed flow( l/h)

500-1000 l/h

500-1000 l/h

Permeate flow( l/h)

80-350 l/h

80-280 l/h

Disc material

ABS

ABS

Max. feed side pressure drop:

9bar

9bar

Max. feed side operation pressure

120bar

160bar

Max. operating temperature:

40℃

40℃

Allowable pH – continuous operation:

6-9

6-9

Allowable pH – short term cleaning @40℃ range

2-12

2-12

Free chlorine tolerance

≤0.1ppm

≤0.1ppm

Water inlet and outlet connection (mm)

12 swagelock

12 swagelock

Permeate connection (mm)

9 (hosepipe connection)

9 (hosepipe connection)

 

Note: 

Performance data above is the normal value. 

The actual permeate flux of individual module may be in ±15% range.

Test conditions: 

RO: NaCl 32,000.mg/L @55.2 bar.

 

 

 

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