Oleopator-Bypass-C-Fst; Special Features - ACO Oleosmart-C-OST Instructions De Service Et De Maintenance

Operating and maintenance instructions
3.6

Oleopator-Bypass-C-FST

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Caution
Pay attention when filling the Oleopator-
C--FST that the round PE-HD internal tank
(7) is always filled first. Only then fill the
reinforced concrete tank (sludge trap (8)
of the Oleopator-C--FST) of this light liquid
separator. Failure to fill the light liquid
General function of the bypass
separator
Wastewater flowing into the Oleopator-By-
pass-C--FST exclusively flows through the
sludge trap (8) and the light liquid separa-
tor (7) where it is treated as long as the
wastewater does not overflow the weir
sill in the bypass channel (9). Wastewater
only overflows the weir sill (9) when a cer-
tain inflow volume is exceeded (more than
General function light liquid sepa-
rator Class I
In the Oleopator-Bypass-C-FST Class I light
liquid separator which takes the form of a
PE-HD internal tank (7) installed within the
reinforced concrete tank (4), light liquids
are separated out by a coalescence unit
(2) which helps trap the finest oil drops
and coalesce them together to form larg-
er oil drops capable of being separated
out. This coalescence unit (2) consists of
a cylindrical coalescence element centri-
cally positioned around the float cage. It
consists of a PE-HD supporting basket
and usually a single or double-layered
coalescence mat made out of a mixture
of knitted materials (stainless steel and
polypropylene), which is wrapped around
the supporting basket and held in position
by tensioners with Velcro strips.
Page 26 of 51
1 Inlet pipe
2 Coalescence element (made of knitted
wire mesh or perforated sheet)
3 Outlet pipe with float cage
4 Reinforced concrete tank
5 Bypass channel
6 Sludge trap outlet pipe and inlet pipe
to light liquid separator
7 Light liquid separator consisting of a
PE-HD internal tank
8 Sludge trap
9 Weir sill in the bypass channel
Fig. 7. Light liquid separator Oleopator-Bypass-C-
FST Class I and light liquid separator Oleopator-By-
pass-C-FST Class II (same construction as Oleopa-
tor Class I, but without a coalescence element (2))
separator in this order may cause the
internal tank to float upwards. This could
destroy the internal tank!
the nominal size in l/s: e.g. NS 6 = inflow
of 6 l/s). Wastewater flowing over the
weir sill moves along the bypass channel
(5) and is discharged untreated. The spe-
cial design of the Oleopator-C--FST bypass
separator was developed to clean the
usually heavily contaminated first pulse of
wastewater flowing into the separator dur-
General function of Class II light
liquid separators
No coalescence unit is required in the
Oleopator-C--FST Class II light liquid sepa-
rators. Light liquids are exclusively sepa-
rated out statically via the flow path and
the dwell time within the separator.

Special features

The Oleopator-C--FST is a separator de-
signed pursuant to EN 858 and not DIN
1999-100. It is therefore not necessary to
carry out a tightness test in accordance
with DIN 1999-100 unless stipulated
otherwise by local state regulations (e.g.
in Rhineland-Palatinate). In this case, it is
recommend that a pre-shaft is installed
upstream of the Oleopator-C-FST, but it
is obligatory to install a sampling shaft
downstream of the Oleopator-C--FST. The
General
In accordance with EN 858, the Oleopa-
tor-Bypass-C-FST light-oil separator has
an internal bypass channel (5) within the
separator and a weir sill (9) integrated
within this bypass channel. The light liquid
separator consists of a PE-HD internal
tank (7) and this is the element which
separates out the light liquids. No light
liquid separation takes place outside of
this PEHD internal tank. The sedimenta-
tion of solids mainly takes place outside
of the PE-HD internal tank in the sludge
trap zone(8).
Warning
Failure to fill the separator in the proper
way can cause the PE-HD internal tank
(7) to float upwards. This generates very
large forces with a great risk of injury or
death if the instructions are not carried
out properly!
ing heavy or normal rainfall as completely
as possible.The subsequent pulses of
wastewater flowing into the separator af-
ter heavy rainfall – especially during peak
flow – usually consists of pure rainwater
without much contamination and can
therefore be discharged untreated into the
sewers or rivers.
inflatable sealing balloons should be in-
serted in the pipes of these shafts.
Caution
The outlet pipe of the Oleopator-Bypass-C-
FST contains a pipe-in-pipe construction.
The inflatable sealing balloon needs to be
positioned right in front of this construc-
tion in order to seal both pipes.
Caution
it is forbidden to use spiral electrofusion
couplers to connect an Oleopator-Bypass-
C-FST to the pipes.