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pH Adjustment – Batched

MAK Water’s pH Adjustment – Batch (PAB) plants are designed to automatically adjust and maintain the pH level of waste water in a batch tank prior to discharge to sewer/ environment or reuse/recycling. The standard treatment process includes a batch tank, a recirculation pump to turn over the contents of the batch tank, a temperature sensor, an inline pH analyser which monitors the pH level and a dosing pump to automatically dose liquid alkali and/or acid. The recirculation pump is also used to discharge the treated water at the end of each batch cycle. Dual chemical dosing pumps (alkali and acid) are available for when the water pH varies to allow for correction of both low and high pH water.

The system components are sized to suit the batch tank and to allow for a 30-60 minute complete batch cycle. Optional equipment upgrades include; a feed pump, bag filter, duty standby recirculation and dosing pumps, materials upgrade for high/low pH levels, dual chemical dosing pumps (alkali and acid). MAK Water’s PAB plants are available as skid mounted or containerised systems for easy deployment to remote locations.

STANDARD SPECIFICATIONS

Parameter Units PAB-1 PAB-2 PAB-5 PAB-10 PAB-15 PAB-22 PAB-30
Batch Tank Size m³ 1 2.45 5 10 15 22.5 30
Batch Cycle Time min 30- 60
Recirculation Pump Flow Rate L/min 100 165 335 650 1,100 1,500 2,000
Recirculation Discharge Pressure mH2O 15 ~ 25
Dosing Pump Flow Rate L/h 10 20 30
pH Level (target) pH 6 ~ 8 (pH neutral) or as required
pH Range (influent) pH 4 ~ 12 (1 - 14 optional)
Alkalinity (assumed) mg/L as CaCO3 10 (consult MAK Water if higher influent alkalinity is expected)
Particle Size mm ≤2 (consult MAK Water if larger particles or debris are expected)
Total Suspended Solids mg/L 1,000 (<50 with optional bag filter)
Raw Water Temperature °C 1 - 40
Ambient Design Temperature °C 0 - 45
Power Supply - AC 240V, 1P, 50Hz or AC 415V, 3P, 50Hz AC 415V, 3P, 50Hz
Power Consumption (approx.) kW 1.1 1.5 3 4 7.5 11
Bunded Chemical Storage Tank L 110 210 600 1,000
Container Size (optional) ft 10 10 10 10 10 10 10
Skid Size (excl. Tank) mm 1,300 x 600 x 1,500 2,000 x 1,500 x 1,500

 

STANDARD INCLUSIONS + OPTIONS

✓= Standard Supply o = Optional Supply - = Not Applicable

Equipment PAB-1 PAB-2 PAB-5 PAR-10 PAB-15 PAB-22 PAB-30
Skid Mounted Plant
Batch Tank (standard pH range)
Recirculation Pump
Chemical Dosing Pump
Bunded Chemical Storage Tank
Alarm Signal Output for Client Interface
Automated Control System
PLC Control System with HMI o o o o o o o
Containerised System, c/w A/C & Lights o o o o o o o
Container Insulation (walls & ceiling) o o o o o o o
Feed Pump o o o o o o o
100μm Bag Filter o o o - - - -
Duty Standby Recirculation Pumps o o o o o o o
Duty Standby Dosing Pumps o o o o o o o
pH 1 - 14 Range Recirculation Pump o o o o o o o
pH 1 - 14 Range Batch Tank o o o o o o o
Dual Dosing Pumps (alkali/acid) c/w Dual Bunded Chemical Storage Tanks o o o o o o o
Safety Shower & Eyewash Station o o o o o o o
Premium Instrumentation Package o o o o o o o

 

Instrumentation Standard Package Premium Package
Pressure Gauge (pump discharge)
Pressure Gauge (optional Bag Filter discharge)
Flow Switch
Float Switch (batch tank & chemical storage tank)
pH Analyser (4-20 mA)
Data Logger (pH level)
Temperature Sensor
Level Transmitter (4-20 mA, batch tank & chemical storage tank) -
Remote Monitoring & Control Capabilities -

 

Disclaimer: MAK Water is continuously updating and improving its products and services, so please contact us for more detailed information or to confirm specifications. MAK Water takes no responsibility for any errors resulting from the use of information contained within this document.