Wasterwater Treatment Applications

We provide two types of submerged hollow-fiber membranes for wastewater treatment. We offer products that may meet your purposes and applications.






Designed for large-scale wastewater treatment, such as in public sewerage systems
(hundreds to hundreds of thousands of m3 per day)


Applicable to domestic and industrial wastewater treatment


Uses PVDF* hollow-fiber membranes
*(Polyvinylidene Fluoride)


High permeability


High chemical resistance


Excellent strength






Magnified image of the surface of the SADF membrane made of PVDF
STERAPORESADFTM
membrane element
STERAPORESADFTM membrane module



Model number
SADF2590
Membrane surface area
25m2
Pore size
0.4μm
Membrane outer diameter
2.8mm
Element size (mm)
2,000 × 1,250 × 30
Dry weight
14.5kg
Materials
Hollow-fiber membrane
PVDF
Water collecting block
ABS resin
Potting material
Polyurethane resin
Strut
SUS 304



Model number
SAA50090ASP07
Compatible element
SADF2590R
Number of elements
20
Membrane surface area
500m2
Standard treatment volume*
100 ~ 400m3
Module size (mm)
1,608 × 1,555 × 3,124
Dry weight
844kg
Frame material
SUS 304
Normal operating temperature
0 ~ 40°C
Notes
With air diffuser
* The treatment volumes may vary depending on the inlet water properties and operating temperature etc.






Designed for small and medium-scale wastewater treatment
(tens to thousands of m3 per day)


Widely adopted in domestic and industrial wastewater treatment


Multi-module configuration in accordance with the depth


Uses polyethylene hollow-fiber membranes


High cost-effectiveness


Permanently hydrophilic membrane surface


Thermally recyclable






Magnified image of the surface of the polyethylene hollow-fiber membrane
STERAPORESUNTM
membrane element
STERAPORESUNTM
membrane module



Model number
SUR234L
SUR334LB
Membrane surface area
1.5m2
3m2
Pore size
0.4m
Membrane outer diameter
0.54mm
Element size (mm)
1,035×446×13
1,035×524×13
Dry weight
0.6kg
0.64kg
Materials
Hollow-fiber membrane
Polyethylene
Collecting water pipes
ABS resin
Potting material
Polyurethane resin



Model number
SUN21034AAD7
(SUN10534AD7)
SUN21034LAN
(SUN10534LN)
SUN21034LAP
(SUN10534LP)
SUNAAD7
(SUNAD7)
Compatible element
SUR334LB(SUR234L)
-
Hollow-fiber membrane
Polyethylene multi-perforated hollow-fiber membrane
-
Pore size
0.4m
-
Size
(DWH, mm)
725×1,538×1,442
(678×1,538×1,442)
614×1,538×1,092
(536×1,538×1,092)
614×1,538×1,442
(536×1,538×1,442)j
711×1,538×350
(673×1,538×350)
Dry Weight
184kg(175kg)
142kg(140kg)
157kg(155kg)
42kg(35kg)
Membrane surface area
210m2(105m2)
-
Material of water collecting pipes
ABS resin
-
Frame material
SUS304
Normal operating temperature
0~40°C
Standard treatment volume*
52m3 per day (26m3 per day)
-
Standard water flow rate
66~99Nm3per hour (57~84Nm3 per hour)
Notes
With rubber slit air diffuser
Without air diffuser
For upper layer
With hollowed polyvinyl
chloride pipe type air diffuser
Rubber slit type
Air diffuser module
*
The treatment volumes may vary depending on the inlet water properties and operating temperature etc.







Objective:   compliance with regulations on total emission volume issued by the Ministry of the Environment

Treatment method:   nitrified water circulation type Membrane Bio-Reactor

Date of inauguration:   October 2003

Membrane area:   1,500 m2

Design water volume:   1,200m3 per day

Design conditions:

Type
Inflow water Treated water
Item BOD5 (mg/L) 500 <20
CODCr(img/L) 200 <20
T-N (mg/L) 200 <50
T-P(mg/L) 7 <1
* “T-P” (total phosphorus) was removed using the existing advanced process.





Type:   Water recycling system

Objective:   Re-treating system for secondary treated water in China

Treatment method:   membrane biorector(MBR)process

Start of operation :   June,2006

Treatment volume :   45,000m3/day

Water quality data Type
Item(mg/L) Inflow water* Treated water**
COD(Cr) 450 30.8
BOD 200 4.8
SS 200 <5
NH4-N 40 0.28
T-P 7 0.06
*:design values, **:measurement values
A cover shot of the wastewater treatment system





Here are some examples of sites that have adopted the SteraporeTM series.



Treatment method:membrane bio reactor (MBR) process

Type:   industrial wastewater treatment

Objective:   strict compliance with the specified nitrogen values

Treatment volume:   4,000 m3 per day

Start of operation:   August 2003

Design conditions

Type
Inflow water Treated water
Item BOD(mg/L) 750 <20
CODCr(img/L) 230 <30
T-N (mg/L) 60 <25
MBR




Treatment method:membrane bio reactor (MBR) process

Type:   domestic wastewater treatment

Objective:   reuse of wastewater in view of the difficulty in securing service water

Treatment volume:   2,700 m3 per day

Start of operation:   August 2003

Design conditions

Type
Inflow water Treated water
Item BOD(mg/L) 220 <10
CODCr(mg/L) 455 <50
T-N (mg/L) 50 <10
SS(mg/L) 160 <10
MBR