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Moving Bed Bioreactor

MAK Water’s Moving Bed Bioreactor (MBBR) type packaged sewage treatment plants are designed to treat domestic strength sewage, to achieve “Class C” treated effluent, suitable for reuse in “risk category low” applications or for discharge to environment. With the optional “Class A” upgrade, treated effluent suitable for reuse in “risk category medium” applications is achieved.

The standard treatment process includes influent screening, balance tank mixing, aerobic treatment, clarification and effluent disinfection (chlorine tablets). The optional “Class A” upgrade includes an auto-backwashing glass media filter, secondary chlorination via tank recirculation and residual trim hypochlorite dosing, and analysers for online monitoring of treated effluent turbidity, free chlorine and pH.

MAK Water’s MBBR Bioreactors are constructed of corrosion resistant FRP, and are self-contained, modular systems for easy deployment to remote locations.

If you have specific requirements, contact us to discuss our custom designed sewage treatment plants or ask about our hire options.

STANDARD SPECIFICATIONS

ParameterUnitsMBBR-125MBBR-150MBBR-200MBBR-250MBBR-300
Treatment capacity m3/day125150200250300
*1Balance tank volume (recommended)m3125150200250300
*1Treated effluent tank volume (*2minimum)m3911141821
Sludge tank volume m3303050502 x 30
Thickened sludge waste volumem3/day1.92.32.93.64.3
*3Irrigation pump dutym3/hr @ 500 kPa10.412.516.720.125
Ambient temperature (min/max)°C1/43 (-15/50 with optional container insulation)
Power supply -AC 415 V, 3 Phase, 50 Hz
Power consumption Class C (max) kW2835404958
Class A (max) kW3541475665
*3Irrigation pump kW2.2345.55.5
Footprint FRP bioreactor(s) & access platform(s)7.4 x 4.28.8 x 4.211.4 x 4.27.4 x 7.68.8 x 7.6
Containerised plant room6 x 2.4 (ISO 20’)
Sludge tank(s)Øm444.54.52 x 4

 

CharacteristicsUnits Influent *4Class C effluent *4Class A Effluent 
Temperature°C15~35-
pHpH units6.5~8.56.5~8.5
Biological oxygen demand (BOD) mg/L*5≤350 <20
Suspended solids (TSS)mg/L*5≤350 <30
Oil & greasemg/L<10-
Total nitrogen (T-N)mg/L≥20N/A (no reduction)
Total phosphorus (T-P)mg/L<164~12 (variable according to coagulant dose rate)
Total dissolved solids (TDS)mg/L<2,000-
TurbidityNTU-N/A<5 (95%ile)
E.Colicfu/100 mL-<1,000<10
Free chlorinemg/L-0.2~2

*1Sold separately, *2For 15 min.mg/L contact time, *3Optional equipment, *4Based on QLD guidelines, *5Referenced from Metcalf & Eddy (5th edition, 2014), typical composition of untreated domestic wastewater; higher/lower design values available on request.

STANDARD INCLUSIONS + OPTIONS

✓= Standard Supply, o = Optional Supply

EquipmentMBBR-125MBBR-150MBBR-200MBBR-250MBBR-300
Automatic inlet screen (2mm)
Influent mixing pump
Influent feed pump
FRP bioreactor(s) with aluminium access platform(s) & ladder(s)Aerobic zone with floating media & blower
Clarifier with scum removal system
Buffer zone/tank with tablet chlorinator 
Bioreactor roofing (COLORBOND® steel sheeting)ooooo
Containerised plant room with air conditioning, overhead lighting & GPO
for maintenance 
Chemical dosing – coagulant
RAS/WAS pump
Effluent transfer/filter feed (& backwash) pump
Class A onlyAuto-backwashing media filterooooo
Treated effluent tank recirculation pump   ooooo
Hypochlorite dosingooooo
PLC control system with HMI
Plant room insulationooooo
Sludge tank with supernatant sampling points & discharge valves
Supernatant sump with submersible pump & level controlooooo
Irrigation pump with level control & mechanical flow totaliserooooo
Instrumentation Standard package
Premium package with ClearAccess remote monitoring ooooo

 

Instrumentation & ControlsStandard PackagePremium Package
Level switchesBalance tank-
Sludge tank
Chemical dosing tank(s)
Supernatant sump (optional)
Level transmittersBalance tank-
Buffer tank
Treated effluent tank
Flow switchesEffluent transfer pump (Class C)-
Treated effluent recirculation pump (Class A)-
Irrigation pump (optional)-
Pressure switchesBalance tank mixing pump
Pressure indicatorsBalance tank mixing pump
Influent feed pump
Blower discharge-
RAS/WAS pump
Effluent transfer pump (Class C)
Media filter feed pump (Class A)-
Media filter discharge (Class A)-
Irrigation pump (optional)
Treated effluent recirculation pump (Class A)
Pressure transmitterMedia filter feed pump (Class A)-
Media filter discharge (Class A)-
Magnetic flow transmitterInfluent feed pump
Mechanical flow totaliserIrrigation pump (optional)
Free chlorine and pH analyser (Class A) 
Turbidity analyser (Class A) 
ClearAccess remote monitoring & control capabilities-