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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, anoxic & aerobic treatment, 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-150 MBBR-200 MBBR-350 MBBR-500 MBBR-600
Treatment Capacity m3/day 37.5 / 150 50 / 200 87.5 / 350 125 / 500 150 / 600
*1 Balance tank volume (recommended) m3 180 243 414 604 736
*1 Treated effluent tank volume (recommended) m3 150 200 350 500 600
Sludge tank volume  m3 22.5 32 50
Sludge waste volume (min/max) m3/month 3.0 / 12.2 4.6 / 18.3 6.8 / 27.4 9.1 / 36.5 11.4 / 45.6
*2 Irrigation pump duty m3/hr @ 500 kPa 18.8 25 43.8 62.5 75
Ambient temperature (min/max) °C 1 / 43
Power supply - AC 380~450 V, 3 Phase, 50/60 Hz
Power consumption Class C (max) kW 15.5 23.5 30.5 43.5 58.5
Class A (max) kW 18.5 26.5 33.5 48.5 63.5
*2 Irrigation pump  kW 5.5 7.5 11 15 22
Footprint FRP bioreactor(s) & access platforms(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 *3 N/A 6 x 2.4 *3 N/A 6 x 2.4 

 

Characteristics Units Influent *4 Class C effluent  *4 Class 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 <50 <40 (or <10 mg/L reduction from influent value)
Total phosphorus (T-P) mg/L <16 4 ~12 (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

 

STANDARD INCLUSIONS + OPTIONS

✓= Standard Supply, o = Optional Supply, - = Not Available

Equipment MBBR-150 MBBR-200 MBBR-350 MBBR-500 MBBR-600
Automatic inlet screen (2 mm)
Influent mixing pump
Influent feed pump
FRP bioreactor(s) with aluminium access platform(s) & ladder(s) Aerobic zone with floating media, blower & MLR pump
Clarifier with tube settler & scum removal system
Chlorine contact zone with tablet chlorinator 
Bioreactor roofing (COLORBOND® steel sheeting) o o o o o
Plant room with air conditioning, overhead lighting & GPO for maintenance  Chemical dosing – coagulant
RAS/WAS pump
Effluent transfer/filter feed (& backwash) 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 & discharge valves
Supernatant sump with submersible pump & level control o o o o o
Irrigation pump with level control & 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
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  -
Magnetic flow transmitters (influent feed pump & MLR pump) -
Aerobic tank dissolved oxygen analyser -
Aerobic tank pH analyser  -
ClearAccess™ remote monitoring & control capabilities -
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