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Chemical Dosing System Configurations

Nine pre-engineered chemical dosing packages. All include calibration columns, bunded containment, leak detection, and PLC-controlled pacing.

Since 2016
Global Delivery
Performance Guaranteed

System Overview

pH Correction

Acid and caustic dosing with inline pH probes and feedback control for effluent compliance.

Coagulation & Flocculation

Alum, PAC, ferric dosing with automated polymer make-down units for efficient floc formation.

Disinfection

Hypochlorite dosing with dechlorination and UV as non-chemical alternative for final effluent.

CIP Chemicals

Clean-in-place for membranes: hypochlorite (maintenance), citric acid (recovery), caustic (organics).

Chemical Dosing Container Layout

Hover and click components to explore dosing system details

SCADA Panel
Dosing Control System

PLC monitors all chemical tank levels, pump stroke rates, and inline pH/ORP. Auto-alarm on low level or dosing fault. Full dosing log with timestamps for traceability.

  • Real-time tank level monitoring
  • Pump stroke rate tracking
  • Auto-alarm on low level or fault
  • Full timestamped dosing log
S7-1200Level Mon.AlarmDose Log
pH Probe
Inline pH Assembly

Submersible pH/ORP probe with auto-cleaning jet. 4-20 mA transmitter to PLC for closed-loop dosing control ensuring precise pH maintenance.

  • Submersible pH/ORP combination
  • Auto-cleaning jet prevents fouling
  • 4-20 mA transmitter to PLC
  • SS housing for chemical resistance
pH/ORPAuto-Clean4-20 mASS Housing
Inline Mixer
Static Inline Mixer

SS316 static mixer ensures rapid chemical dispersion with no moving parts. Pressure drop less than 0.2 bar at design flow. Flanged connections for easy install.

  • SS316 for chemical resistance
  • No moving parts to maintain
  • Pressure drop <0.2 bar
  • Flanged ANSI/DIN connections
SS316No Moving<0.2 barFlanged
Coagulant TankPAC/FeCl3
Coagulant Day Tank

500-2000 L HDPE or SS tank for coagulant storage. Level switch for low-level alarm. Bunded base for spill containment meeting environmental regulations.

  • 500-2000 L capacity range
  • HDPE or SS316 options
  • Level switch for low alarm
  • Bunded base for spill containment
500-2000 LHDPE/SSLevel SwitchBunded
Coag. Dosing Pump
Coagulant Metering Pump

Diaphragm or peristaltic pump with stroke/speed adjustment. Flow-paced from main flowmeter signal. Calibration column included for verification.

  • Diaphragm or peristaltic options
  • Stroke and speed adjustable
  • Flow-paced from main flowmeter
  • Calibration column included
DiaphragmFlow-PacedCal. ColumnAdjustable
Flocculant TankPolymer
Polymer Preparation Unit

Two-stage polymer activation: dry powder feeder plus maturation tank with slow-speed mixer. Concentration 0.1-0.5% for optimal flocculation.

  • Dry powder feeder system
  • Maturation tank with mixer
  • Concentration 0.1-0.5%
  • 30-60 minute maturation time
2-StageMaturation0.1-0.5%30-60 min
Floc. Dosing Pump
Polymer Dosing Pump

Progressive cavity pump for viscous polymer solution. Speed controlled by PLC for precise dosing rate adjustment to match influent flow.

  • Progressive cavity for viscous fluids
  • VFD speed control by PLC
  • Handles polymer solution viscosity
  • Precise rate adjustment
Progressive Cav.VFDViscousPrecise
Acid TankH2SO4/HCl
pH Acid Storage

1000 L HDPE tank for sulphuric or hydrochloric acid. Fume extraction vent prevents corrosive atmosphere. Bunded with leak detection alarm.

  • 1000 L HDPE tank
  • Fume extraction vent system
  • Bunded with leak detection
  • For pH correction dosing
1000 LHDPEFume VentBunded
Caustic TankNaOH
pH Caustic Storage

1000 L HDPE tank for sodium hydroxide. Heating jacket prevents crystallisation in cold climates. Level alarm for operator notification.

  • 1000 L HDPE tank
  • Heating jacket for cold climates
  • Level alarm notification
  • For pH correction dosing
1000 LHDPEHeatingLevel Alarm
Acid Dose Pump
Acid Dosing Pump

PTFE-lined diaphragm pump for acid dosing. pH-controlled with closed-loop feedback. Auto-shutoff on high pH to prevent overdosing.

  • PTFE-lined for acid resistance
  • pH-controlled closed loop
  • Auto-shutoff on high pH
  • Prevents overdosing
PTFE LinedpH CtrlClosed LoopAuto-Shut
Caustic Dose
Caustic Dosing Pump

SS316 diaphragm pump for caustic dosing. pH-controlled closed loop. Heating trace on suction line prevents crystallisation blockages.

  • SS316 for caustic resistance
  • pH-controlled closed loop
  • Heating trace on suction
  • Prevents crystallisation
SS316pH CtrlHeat TraceClosed Loop
Anti-Foam
Anti-Foam Dosing

200 L drum pump system for silicone-based anti-foam. Timed or level-triggered dosing for high-foam applications in food and industrial wastewater.

  • 200 L drum supply
  • Timed or level-triggered
  • Silicone-based formulation
  • For high-foam applications
200 LTimedSiliconeAnti-Foam
Disinfectant
Disinfectant Dosing

Sodium hypochlorite or bisulphite for effluent disinfection and dechlorination. Day tank with level control and dosing verification.

  • Sodium hypochlorite option
  • Bisulphite for dechlorination
  • Day tank with level control
  • Dosing verification
NaOClDay TankLevel CtrlVerify
MCC Panel
Motor Control Centre

Starters for all dosing pumps with variable stroke/speed controllers. IP65 enclosure with corrosion-resistant coating for chemical environments.

  • Pump starters for all units
  • Variable stroke controllers
  • IP65 corrosion-resistant
  • Overload protection
Pump StartersIP65Corrosion Res.Overload
Cal. Bench
Calibration Station

Graduated calibration columns for each pump. Allows verification of actual dosing rate versus setpoint ensuring accurate chemical consumption.

  • Graduated glass columns
  • Per-pump verification
  • Rate vs setpoint check
  • Operator calibration procedure
Cal. ColumnsRate VerifyPer PumpGlass
Bund Floor
Spill Containment

Full floor bund contains 110% of largest tank volume. Epoxy-coated steel construction. Leak detection with immediate alarm to SCADA.

  • 110% of largest tank volume
  • Epoxy-coated steel
  • Leak detection alarm
  • Environmental compliance
110% VolumeEpoxyLeak DetectCompliant
Exhaust Fan
Fume Extraction

Corrosion-resistant extraction fan with ducting from each tank. 10 air changes per hour. Vapour alarm for operator safety.

  • Corrosion-resistant construction
  • 10 air changes per hour
  • Ducting from each tank
  • Vapour alarm system
10 ACHCorrosion Res.DuctedVapour Alarm
Safety
Safety Equipment

Emergency shower and eyewash station with tempered water. Safety signage. First aid kit and chemical-resistant flooring for operator protection.

  • Emergency shower and eyewash
  • Tempered water supply
  • First aid and fire equipment
  • Chemical-resistant flooring
ShowerEyewashTemperedSafety
Water Supply
Service Water

Pressure-reduced water supply for tank filling, cleaning, and safety shower. Backflow prevention device protects potable water supply.

  • Pressure-reduced supply
  • Backflow prevention
  • For tank filling
  • For safety shower
PRVBackflow Prev.Tank FillShower
Drain
Effluent Drain

All spills and washdown drain to bunded effluent sump. Pumped to WWTP inlet for treatment ensuring no environmental discharge.

  • Bunded effluent sump
  • Sump pump to WWTP
  • No environmental discharge
  • Spill recovery
BundedSump PumpWWTPRecovery
FeCl3 DosingPhosphorus
Ferric Chloride Dosing

Iron-based co-precipitation for phosphorus removal to less than 0.5 mg/L P. Flow-paced dosing with inline rapid mixer for efficient reaction.

  • Iron-based co-precipitation
  • P removal to <0.5 mg/L
  • Flow-paced dosing
  • Inline rapid mixer
FeCl3P <0.5Flow-PacedMixer
Flowmeter
Main Flowmeter

Magnetic flowmeter provides pacing signal to all dosing pumps. 4-20 mA output to PLC and SCADA for flow-proportional chemical dosing.

  • Magnetic flow measurement
  • 4-20 mA to PLC/SCADA
  • Pacing signal to all pumps
  • Flow-proportional dosing
Mag Flow4-20 mAPacing SignalDN50-150
Chemical Store
Chemical Storage Area

Secure area for spare chemical drums. Secondary containment trays for each drum. Chemical compatibility segregation prevents dangerous reactions.

  • Secure locked storage
  • Secondary containment trays
  • Chemical compatibility segregation
  • Spill kit available
SecureSecondary Cont.SegregatedSpill Kit

Detailed Process Train Specifications

PackageBasic pHCoagulationFull Phys-ChemAOP OxidationEC SupportBio NutrientMBR CIPRO AntiscalantDisinfection
Flow10–25 m³/h10–50 m³/h25–100 m³/h10–100 m³/h10–200 m³/h25–200 m³/h10–100 m³/h10–200 m³/hAll flows
ChemicalsHCl/H2SO4, NaOHAlum, PAC, ferric, pHCoag, polymer, pH, antifoamAcid, H2O2, bisulfite, causticAcid, caustic, antifoam, polymerUrea, P-acid, caustic, methanolNaOCl, citric acidAntiscalant, acid, bisulfite, causticNaOCl, bisulfite
Pumps2× peristaltic 20 L/h3× diaphragm 50 L/h4× diaphragm + 1× PC4× diaphragm + metering3× diaphragm3–5× diaphragm 100–500 L/h2× diaphragm + CIP3–5× diaphragm1–2× diaphragm
Space0.5 m² wall1.0 m² skid2.0 m² + day tanks2.0 m² bunded1.5 m² skid2–4 m² + IBC1.5 m² + CIP tank2.0 m² + day tanks0.5–1.0 m²
ContainmentBunded baseBunded skidBunded + leak detectBunded containmentBunded baseBunded + IBC bundsBunded + CIP bundBunded + tank bundsBunded base

Typical Applications

Metal Finishing

pH correction for acidic plating rinse waters.

Textile Dyeing

Coagulant dosing for colour removal.

Winery & Brewery

Nutrient balancing for advanced biological treatment.

Municipal Plants

Chlorine disinfection for effluent compliance.

Water Reuse

Antiscalant dosing for RO systems.

Pharmaceutical

CIP chemical systems for MBR maintenance.

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Standalone chemical dosing equipment.

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Chemical treatment services and support.

Option H: EC Datasheet

Operating Principle

Process Mechanism

Pre-engineered systems installed in standard ISO shipping containers for rapid deployment. Factory-tested before dispatch with minimal site installation requirements.

Performance Monitoring

Integrated sensors and PLC control provide real-time visibility into operational efficiency, enabling predictive maintenance and remote diagnostics.

Fail-Safe Design

Redundant safety systems and emergency shutdown protocols protect personnel and equipment in all operating conditions.

Adaptive Control

SCADA-compatible control architecture automatically adjusts parameters to match influent variations, maintaining consistent effluent quality.

Construction & Materials

Manufactured inside reinforced ISO shipping containers with climate control, lighting, and spill containment. All process equipment is skid-mounted and pre-piped for plug-and-play operation. Container modifications include personnel doors, ventilation, and lifting lugs for rapid deployment and relocation.

ISO Container

Standard 20ft or 40ft ISO containers with CSC certification for global shipping and road transport.

Climate Control

Insulation and HVAC systems maintain internal temperature for equipment protection in extreme environments.

Plug & Play

Pre-wired control panels and pre-piped process skids. Connect inlet, outlet, and power to commence operation.

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