PERMOX OM-engl.cdr - supratec.cc

BELÜFTUNGSTECHNIK
UMWELT- & VERFAHRENSTECHNIK
SERVICE & WARTUNG
G E N E R A L I N F O R M A T I O N
PERMOX
®
- OM
MEMBRANE TUBE DIFFUSER OVA L
FOR FINE BUBBLE A ERATION OF LIQUIDS
Supratec
von-Drais-Straße 7
D-55469 Simmern/Hunsrück
Fon: *49 (0 67 61) 9 60 60
Fax: *49 (0 67 61) 9 70 774
e-mail: info@supratec.cc internet: www.supratec.cc
GESELLSCHAFT FÜR UMWELT-
UND VERFAHRENSTECHNIK MBH

®
P E R M O X - O M M E M B R A N E T U B E D I F F U S E R
F O R F I N E B U B B L E A E R AT I O N O F L I Q U I D S
G E N E R A L
I N F O R M A T I O N
D E S I G N
M E M B R A N E
C H A R A C T E R I S T I C S
P E R F O R M A N C E
C O M B I N A T I O N
V A R I A T I O N S
Supratec ®
Supratec Gesellschaft für Umwelt- und Verfahrenstechnik mbH produces modern high efficient
aeration systems, as they are usually used for oxygen supply of biological waste water treatment.
These products could also be used for any kind of gasation of liquids.
®
PERMOX is the brand of membrane diffusers (plate and tube) and starr-porous diffusers (plate,
disc and tube) with a stainless steel body.
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The PERMOX -OM membrane tube diffusers are offered in three sizes:
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• PERMOX -OM 1,0
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• PERMOX -OM 1,5
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• PERMOX -OM 2,0
The body is a stainless steel reinforced oval tube (Standard 1.4571 und 1.4301). A membrane is
putted over this body.
Standard membranes are made of SUPRAFORM (EPDM). Membranes made of SUPRASIL
®
(Silicone) or SUPRADUR (Polyurethane) are also available.
The membranes have a unique slot-arrangement.The size and arrangement of those slots is
optimized to archieve maximum oxygen transfer efficiency.
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PERMOX -OM membrane tube diffusers are highly resistant against soiling.
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PERMOX -OM membrane tube diffusers produce fine bubbles of a medium diameter < 2mm.
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PERMOX -OM membrane tube diffusers can be operated intermittently.
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PERMOX -OM membrane tube diffusers can be installed with stainless steel pipes and are used for
all geometric forms of tanks, but they are extraordinarily good for medium and huge sized tanks.
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PERMOX -OM membrane tube diffusers are well established and are working to the clients
satisfaction world-wide.
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PERMOX -OM membrane tube diffusers have a wide range. Minimum to maximum specific air-flow
reaches from 0 - 13Nm³/h per meter.
The design air flow should be approximately 8 ± 2 Nm³/mh.
® ®
®
PERMOX -OM membrane tube diffusers can reach specific oxygen transfer efficienty up to 25
gO /Nm³xm , if coverage and water depth is favourable.
2 ET
Supratec
®
For plants with partly intermittent operated tanks, PERMOX -OM membrane tube diffusers can be
® ®
combined with PERMOX -R / BRANDOL 60 ceramic tube diffusers. However, different pressure
losses have to be considered.
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Modified PERMOX -OM membrane tube diffusers are also available for drinking water purposes.
®
PERMOX -OM membrane tube diffusers are also available as coarse bubble diffusers.
Gesellschaft für Umweltund
Verfahrenstechnik mbH
von-Drais-Straße 7 • D-55469 Simmern • Fon: +49 (0 67 61) 9 60 60 • Fax: +49 (0 67 61) 970 774 • info@supratec.cc

D R A W I N G
OVAL MEMBRANE TUBE DIFFUSER
®
PERMOX OM membrane tube diffuser
can be mounted onto stainless steel
rectangular distributors
(connectors for different diameter / size available)
Materials:
Standard: 1.4571 or 1.4301
Body: stainless steel
Clamp: stainless steel
Gasket: EPDM
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Membrane: SUPRASIL (Silikon)
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SUPRANORM (EPDM)
Membrane inner diameter: 70mm.
Clip
Supratec ®
®
P E R M O X - O M
Saddle with
bolt M6
Bead
Clamp
Clamp
Rectangular Distributor
Saddle with bolt M6
Rectangular Distributor
Rectangular Distributor
Supratec
Membrane
Gasket
Membrane, perforated
Gesellschaft für Umweltund
Verfahrenstechnik mbH
von-Drais-Straße 7 • D-55469 Simmern • Fon: +49 (0 67 61) 9 60 60 • Fax: +49 (0 67 61) 970 774 • info@supratec.cc
Body
Clip
Air socket

D I A G R A M M E P R E S S U R E - O X Y G E N
®
P E R M O X - O M M E M B R A N E T U B E D I F F U S E R
F O R F I N E B U B B L E A E R AT I O N O F L I Q U I D S
�p[mbar]
spec. O2 - Entry
[gO 2/Nm³*m ET]
80
70
60
50
40
30
20
10
0
25
23
21
19
17
15
Supratec ®
®
Pressure loss PERMOX OM
Diffuser as new
0 2 4 6 8 10 12 14 15
Specific load [Nm³/h*m]
®
SSA PEROMX OM
(4m Water depth, planar arrangement)
5%
20%
12%
Occupancy density
0 2 4 6 8 10 12 13
Specific load [Nm³/h*m]
Supratec
Gesellschaft für Umweltund
Verfahrenstechnik mbH
von-Drais-Straße 7 • D-55469 Simmern • Fon: +49 (0 67 61) 9 60 60 • Fax: +49 (0 67 61) 970 774 • info@supratec.cc

I N S T A L L A T I O N - M A N U A L
®
P E R M O X - O M M E M B R A N E T U B E D I F F U S E R
F O R F I N E B U B B L E A E R AT I O N O F L I Q U I D S
D I S C R I P T I O N
M E A S U R E M E N T S
S T O R A G E
P R E P E R A T I O N
L E V E L L I N G
I N S T A L L A T I O N
Supratec ®
®
PERMOX -OM membrane tube diffusers has a solid, strong body made of stainless steel and a slipped
over membrane (e.g.: EPDM).
The membrane is fixed by two SS ring-clamps.
The body has a centrally air-pipe Ø=28 mm, one on the entire aeration length reaching surround.
The body is to be out around the ends shaped.
The gasket between pipe and body seals the system.
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• PERMOX -OM 1,0 (width x length) 90/40mm x 1150mm
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• PERMOX -OM 1,5 (width x length) 90/40mm x 1650mm
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• PERMOX -OM 2,0 (width x length) 90/40mm x 2150mm.
Supratec
Gesellschaft für Umweltund
Verfahrenstechnik mbH
®
PERMOX -OM membrane tube diffusers are one-piece and are installed on top of the distributionpipe.
The diffusers should be stored in their packing inside a dry and aerated building. DIN 7716 has to be
considered.
®
Before installation of the PERMOX -OM menbrane tube diffusers it has to checked that the piping
system is clean.
Drilling chips, dirt etc. have to be removed, as those will be transported into the diffusers as soon as
blowers are set into operation causing serious damage to the diffuser membranes.
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PERMOX -OM membrane tube diffusers are normally installed onto SS rectangular pipes. The
piping system has to be levelled to maximum ± 10 mm.
The minimum measurement of the rectangular pipes has to be 80/80 mm.
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PERMOX -OM membrane tube diffuser is positioned centrally at right angles to the distributor
mounted. The aeration connecting piece is inserted into the hole of diameter Ø=30mm and put the
diffusers so fixed. The fixing clamp saddle will be mounted from the top to the diffuser.
2 shakle screws M8 with nuts and washers will be mounted arround the rectangular pipe and tighten
symmetrical.
The diffuser must mounted in a horizontal way!
von-Drais-Straße 7 • D-55469 Simmern • Fon: +49 (0 67 61) 9 60 60 • Fax: +49 (0 67 61) 970 774 • info@supratec.cc

O P E R A T I O N - M A N U A L
®
P E R M O X - O M M E M B R A N E T U B E D I F F U S E R
F O R F I N E B U B B L E A E R AT I O N O F L I Q U I D S
F U N C T I O N
A N D L E A K A G E
C H E C K
F I R S T R U N O F
D I F F U S E R
V I S U A L B U B B L E
C H E C K
O X Y G E N -
T R A N S F E R -
E F F I C I E N C Y T E S T
S T A R T U P
Supratec ®
®
After installation of PERMOX -OM membrane tube diffusers a function and leakage test should be
carried out.
The tank schould be filled with clean water up to maximum 10 cm above diffusers’ surface and the
diffusers set in operation.
(specific air flow: 8 Nm³/h per meter)
Then function and installation can be checked and confirmed by report.
®
After function and installation has been checked and confirmed PERMOX -OM membrane tube
diffusers have to be operated at least another 60 hours continuously, at a specific air flow of
minimum 8 Nm³/h per meter.
Water level shall be as quickly as possible raised up to minimum 100 cm above diffusers’ surface.
IMPORTANT:
• Diffusers should not stand still
• Specific air flow should not exceed 11 Nm³/hm per unit.
Supratec
Gesellschaft für Umweltund
Verfahrenstechnik mbH
The visual judgement of the bubble distribution should not be taken before the above specified first
run of diffusers.
To do the visual check, the diffusers shall operate at maximum capacity and shall be turned down to
the minimum.
• Test of even aeration (visual bubble check) must take place when the water level is at 60-100 cm
above diffusers’ surface and a specific air flow of at least 6 Nm³/h per meter.
• Test of even aeration (visual bubble check) at minimum air flow can only take place if the water
temperature is above 10°C.
®
Before the stated oxygen transfer efficiency figures of the PERMOX -OM membrane tube diffusers
are proved with an oxygen transfer test the above mentioned steps have to be considered.
The oxygen transfer efficiency test must be done accordingly to accepted rules (e.g.: ATV-M209) in
clean or waste water.
Guarantee figures have to be controlled exactly. It is necessary to have a precise air-flow
measurement system.
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After successful oxygen transfer efficiency test, start up of the PERMOX -OM membrane tube
diffusers may follow immediately. If there is a Postponement of the start up, care should be taken
®
that the water level stays at least 100 cm above diffusers’ surface to protect PERMOX -OM
membrane tube diffusers from sunlight and / or freezing.
von-Drais-Straße 7 • D-55469 Simmern • Fon: +49 (0 67 61) 9 60 60 • Fax: +49 (0 67 61) 970 774 • info@supratec.cc