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For Fast Food & Restaurants |
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The EEC Wastewater Treatment System is based on the Moving Bed Biodegradation Technology, which is unique due to its compactness and performance in respect of volumetric efficiency. These technologies are combined with an airlift flotation system and a sludge re-aeration system in a modular tank that is prefabricated in the workshop and ready to be installed and hooked up to wastewater, power and outlet at the site.
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Systems Selection >> |
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| System
Description |
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Total
Solution WWTP for Restaurants & Fast Food |
| The
treatment
system
comprise of
the following
major
components.
Wastewater
Collection
Tank/Coarse
Screen.
It
is assumed
that
restaurant and
toilet
wastewater
piping ends in
a customer
provided
wastewater
collection
tank with a
coarse screen.
The
holding
capacity
should be
approx 3 hours
to level out
extreme peak
flow. An
overflow exit
to drain is to
be provided.
A
customer
provided
submerged feed
pump should
provide 2 m
lifting head
at the unit
inlet flange,
against closed
valve
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| Primary
Treatment
System.
An
air lift
flotation
(ALF)
treatment
devise is
integrated in
the digester
tank.
It
shall remove
most of the
oil and grease
before
wastewater
enters into
first MBBR. In
ALF system,
air bubbles
are formed by
introducing
air directly
into the waste
water through
a
disc
shaped
microbubble
diffuser, with
air supply
from blower.
This
will lift the
floating scum
(oil and
grease) out of
the wastewater
and overflow
into the
digester tank
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| Biological
Treatment
System
A
first Moving
Bed Biofilm
Reactor (MBBR)
is acting as a
roughing
reactor to
shave peak
loads and
remove most of
the BOD.
A
second Moving
Bed Biofilm
Reactor (MBBR)
is acting as a
polishing
reactor to
degrade the
remaining BOD,
down to the
effluent BOD
concentration
required by
the customer.
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| The
MBBRs are
filled with a
specially
designed
biofilm
carrier
elements (BCE)
which is free
floating and
moving around
in the reactor
with the flow.
The medium
provides an
effective
biofilm
surface of 500
m2 per m3 bulk
material.
Simultaneously,
biomass is
trapped inside
the carrier
elements,
providing
additional
surface for
the bioculture. Both
reactor tanks
are aerated
through a
coarse bubble
air
distribution
system at the
bottom of the
tanks, with
air supply
from a side
channel air
blower. |
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Dynamic Aqua Science
Ltda (a subsidiary of EEC) manufacture DAS Grease Traps. These systems
are not needed with our Bio Systems for Restaurants and Fast
Food outlets.
DAS Grease Traps can be used an
alternative to the Biosystems, Selection are dependent on effluent requirements. |
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Dimension
Criteria |
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INFLUENT |
EFFLUENT |
| COD |
2000
mg/l |
100
mg/l |
| BOD |
800
mg/l |
50
mg/l |
| TSS |
700
mg/l |
50
mg/l |
| FOG |
300
mg/l |
5
mg/l |
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System Specifications |
| Equipment
|
Specification |
Unit |
M3000 |
M4000 |
M5000 |
M6000 |
| Tank
Container |
Overall
Length |
m |
2,44 |
3,10 |
3,76 |
4,42 |
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Overall
Width |
" |
1,83 |
1,83 |
1,83 |
1,83 |
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Overall
Height |
" |
1,83 |
1,83 |
1,83 |
1,83 |
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Wet
Volume |
m3 |
5,1 |
7,0 |
8,8 |
10,6 |
| Blower |
Installed
effect |
kW |
3 |
4 |
5 |
6 |
| Pump |
m3/h |
5 |
5 |
5 |
5 |
5 |
| D-Pump |
|
lph |
8 |
8 |
8 |
8 |
| Operation
weight |
Water
filled |
kg |
1000 |
1200 |
1400 |
1600 |
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Sludge
digestion:
50%
of COD. Any
other
effluent
and
sludge
digestion
requirements
may be
obtained,
but will
affect
the
capacity
of the
unit |
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sewer plants,
advanced oxidation, industrial plants |
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EEC BIO STP -
FEATURES |
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EEC High-Speed Bio Tec
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The HS Bio Systems from EEC
is the most reliable package plants ever built for wastewater
contaminated with oil, grease, and high organic loading. Extremely
compact and efficient compared to regular systems, odor free, clog free,
handles shock loading, grease and oil, quick start-up, ready to be
operated, automatic, skid mounted, up-front central control panel.. |
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Dimension
Criteria
Any
treatment
plant
must be
based on
actual
measurements
of the
waste
stream
with
respect
to
hydraulic
and
organic
load.
The
critical
parameters
are
daily
average
flow,
peak
flow and
influent/effluent
COD, BOD5
and TSS.
Additional
information
on TDS,
alkalinity,
nitrogen
and
phosphorous
are
important
for
supply
of
chemicals
and
operation
of the
plant.
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| Wastewater
From Restaurant
Wastewater
from
restaurants
and
other
commercial
food
service
facilities
differs
significantly
from
residential
wastewater.
In
addition
to
higher
surge
volumes
during
busy
periods
and
generally
higher
temperatures,
restaurant
wastewater
is
typically
higher
in
strength
than
residential
wastewater.
This is
due to
higher
levels
of
solids,
oil and
grease,
which
cause a
higher
chemical
oxygen
demand
(COD). |
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Test Reports
from Clients
Don't take our words
for systems performance, See copies of various test reports that has
voluntarily been sent to us by pleased clients. The effluent surpass any
exceptions.
>more |
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Settling Tanks and Sludge Digesting System. |
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The
biodegraded
water is
flowing by
gravity into
the
clarification
stage where
the suspended
solids settle
by gravity.
The
settled
sludge, thus
being removed
from the
clarified
water, is
transferred
into the
integrated
sludge
digester tank
with four days
holding time,
by the airlift
provided by
the ALF
devise. The
digested
sludge are to
be pumped into
a customer
provided
container for
dewatering and
final disposal
as food waste.
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