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Activated Sludge Bioreactor

MAK Water’s Activated Sludge Bioreactor (ASBR) 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.

标准治疗过程包括流入的年代creening, balance tank mixing, aerobic treatment, clarification and effluent disinfection (chlorine tablets). The optional “Class A” upgrade includes an auto-backwashing media filter, disinfection via tank recirculation and hypochlorite dosing, and analysers for online monitoring of treated effluent turbidity, free chlorine and pH.

MAK Water’s ASBR 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,2ManBetX登陆 to discuss our custom designed sewage treatment plants or ask about ourhire options.


Parameter Units ASBR-025 ASBR-035 ASBR-050 ASBR-070 ASBR-100
Treatment capacity m3/day 25 35 50 70 100
*1Balance tank volume (recommended) m3 25 35 50 70 100
*1Treated effluent tank volume (*2minimum) m3 4.0 5.5 8.0 11 16
Sludge tank volume m3 5.3 5.3 10.5 10.5 23
Thickened Sludge waste volume m3/day 0.3 0.4 0.5 0.8 1.2
*3Irrigation pump duty m3/hr @ 500 kPa 2.1 2.9 4.2 5.8 8.3
Ambient temperature (min/max) °C 1 ~ 35 (1 ~ 43 with optional plant room air-conditioner)
Power supply - AC 415 V, 3 Phase, 50 Hz
Power consumption Class C (max) kW 9 12 15 20 28
Class A (max) kW 16 19 22 27 35
*3Irrigation pump motor size kW 0.55 0.75 1.1 1.5 2.2
*3Air conditioner kW 1.5 1.5 1.5 1.5 1.5
Footprint FRP bioreactor & access platform m 6 x 3.2 7.5 x 3.2 9 x 3.2 12 x 3.2 10 x 3.8
Sludge tank Øm 1.8 1.8 2.45 2.45 3.83

Characteristics Units Influent *4Class C Effluent *4Class A Effluent
Temperature °C 15~35 -
pH pH units 6.5~8.5 6.5~8.5
Biological oxygen demand (BOD) mg/L *5≤350 <20
Suspended solids (TSS) mg/L *5≤350 <30
Oil & grease mg/L <10 -
Total nitrogen (T-N) mg/L ≥20 N/A (no reduction)
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 - 0.2~2.0

*1Sold Separately, *2For 15 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 Supply, o = Optional Supply

Equipment ASBR-025 ASBR-035 ASBR-050 ASBR-070 ASBR-100
Automatic inlet screen (2 mm)
Influent mixing pump
Influent feed pump
FRP bioreactor with aluminium access platform & ladder Aerobic zone with submersible aerator
Clarifier with scum removal system
Buffer zone/tank 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
RAS/WAS pump
Effluent transfer/filter feed pump
Class A Auto-backwashing media filter o o o o o
Treated effluent tank recirculation pump o o o o o
Hypochlorite dosing o o o o o
PLC control system with HMI
Plant room air conditioner o o o o o
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 ClearAccessremote monitoring o o o o o

Instrumentation & Controls Standard Package Premium Package
液位开关 Balance tank -
Sludge tank
Chemical dosing tank(s)
Supernatant sump (optional)
Level transmitters Balance tank -
Buffer tank
Treated effluent tank
Flow switches Effluent transfer pump (Class C) -
Treated effluent recirculation pump (Class A) -
Irrigation pump (optional) -
Pressure switches Balance tank mixing pump
Pressure indicators Balance tank mixing pump
Influent feed pump
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 transmitter Media filter feed pump (Class A) -
Media filter discharge (Class A) -
Magnetic flow transmitter Influent feed pump
机械流加法器 Irrigation pump (optional)
Free chlorine and pH analyser (Class A)
Turbidity analyser (Class A)
ClearAccessTMremote monitoring & control capabilities -