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Moving Bed Bioreactor Plus

MAK Water’s Moving Bed Bioreactor Plus (MBBR+) type packaged sewage treatment plants are designed to treat domestic strength sewage, to achieve “Class C” treated effluent, plus enhanced nutrient removal, 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, anoxic & aerobic treatment for nitrification and denitrification, clarification, effluent sterilization (chlorine tablets) and bag filtration (100 micron). The optional “Class A” upgrade includes an auto-backwashing aseptic glass media filter (5 micron), secondary chlorination via tank recirculation and residual trim hypochlorite dosing, and analyzers 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.

The FRP bioreactor tank fits into a 40’ shipping container. This allows it to travel as general purpose cargo on a conventional container vessel, for cost effective shipping anywhere in the world, as well as providing mechanical protection from damage during shipment.

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

STANDARD SPECIFICATIONS

Parameter Units MBBR+090 MBBR+125 MBBR+175 MBBR+250 MBBR+300
Treatment capacity (min/max) m3/day 22.5 / 90 31.3 / 125 43.8 / 175 62.5 / 250 75 / 300
*1Balance tank volume (recommended) m3 125 160 250 343 413
*1Treated effluent tank volume (recommended) m3 90 125 175 250 300
Sludge tank volume m3 22.5 32 50
Sludge waste volume (min/max) m3/month 2.7 / 11.0 3.0 / 12.2 5.3 / 21.3 7.6 / 30.4 9.9 / 39.5
*2Irrigation pump duty m3/hr @ 500 kPa 11.25 15.63 21.88 31.25 37.5
Ambient temperature (min/max) °C 1 ~ 43
Power supply - AC 380~450 V, 3 Phase, 50/60 Hz
Power consumption Class C (max) kW 16.5 25.5 33.5 48.5 63.5
Class A (max) kW 19.5 27.5 36.5 53.5 68.5
*2Irrigation pump kW 4 5.5 7.5 11 15
Footprint FRP bioreactor(s) & access platform(s) m 12 x 3.2 12 x 5.6 12 x 5.6 12 x 8.8 12 x 8.8
Containerised plant room m 6 x 2.4 *3N/A 6 x 2.4 *3N/A 6 x 2.4

 

Characteristics Units Influent *3Class C effluent *3Class A effluent
Temperature °C 15~45 -
pH pH units 6.5~8.5 6.5~8.5
Biological oxygen demand (BOD) mg/L 150~400 <20
Suspended solids (TSS) mg/L 150~300 <30 <10
Oil & grease mg/L <10 -
Total nitrogen (T-N) mg/L <80 <10 (or 70 mg/L reduction from influent value)
Total phosphorus (T-P) mg/L <16 1~2 (variable according to coagulant dose rate)
Total dissolved solids (TDS) mg/L <2,000 -
Turbidity NTU - N/A <5 (95%ile)
E.Coli cfu/100 mL - <1,000 <10
Free chlorine mg/L - 0.2~2

*1 Sold separately, *2 Optional equipment, *3 Plant room integral to FRP bioreactor, *4 Based on QLD guidelines

STANDARD INCLUSIONS + OPTIONS

✓= Standard Supply, o = Optional Supply

Equipment MBBR+90 MBBR+125 MBBR+175 MBBR+250 MBBR+300
Automatic inlet screen (2 mm)
Influent mixing pump
Influent feed pump
FRP bioreactor with access platform & ladder Aerobic zones with submersible aerators & MLR pump
Anoxic zone with submersible mixing pump
Aerobic zone 2 with submersible aerator  ✓  -  -  -  -
Clarifier with scum removal system -
Clarifier with tube settler & scum removal system  ✓  ✓  ✓
Chlorine contract zone with tablet chlorinator
Bioreactor roofing (COLORBOND® steel sheeting) o o o o o
Plant room with overhead lighting and GPO for maintenance Chemical dosing – coagulant, sucrose & caustic
RAS/WAS pump
Effluent transfer/filter feed pump
Class C Bag filter (100 µm)
Class A Auto-backwashing aseptic glass media filter (5 μm) o o o o o
Treated effluent tank recirculation pump o o o o o
Residual trim hypochlorite dosing o o o o o
PLC control system with HMI
Sludge tank with supernatant sampling points and discharge valves
Supernatant sump with submersible pump and level control o o o o o
Irrigation pump with level control and mechanical flow totaliser o o o o o
Instrumentation Standard package
Premium package with ClearAccess™ remote monitoring o o o o o

 

Instrumentation & Controls Standard Package Premium Package
Balance & chlorine contact tank float level switches -
Chemical dosing & sludge tank float level switches
Pressure switches
Pressure gauges
Magnetic flow transmitters (influent feed pump and MLR pump)
Aerobic tank dissolved oxygen analyser
Aerobic tank pH analyser
Class A only Aseptic glass media filter pressure transmitter
Treated effluent chlorine & pH analyser
Treated effluent turbidity analyser
Variable speed drives Influent feed pump
MLR pump
Aeration blower
Balance & chlorine contact tank level transmitters -
ClearAccess™ remote monitoring & control capabilities -
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