Phosphate dosing
Metered phosphate solution injection for boiler-water treatment, with pump capacity and pressure matched to the approved treatment programme and injection point.
Petrox EngineeringBoiler, feedwater and cooling-water treatment
Chemical Dosing Systems for Power Plants
Petrox Engineering supplies metering pumps and integrated dosing systems for boiler-water, feedwater, condensate and cooling-water treatment, supported by duty review, VK Pumps selection and lifecycle assistance.
Applications
Where Petrox supports power plants
Oxygen-scavenger dosing
Containment-conscious dosing packages for approved oxygen-scavenging chemicals. Where hydrazine is specified, the design must follow the plant's chemical-handling, exposure-control and regulatory requirements.
Ammonia and pH-control dosing
Controlled chemical addition for condensate or feedwater pH management using compatible wetted materials, ventilation and safe containment provisions.
Cooling-water treatment
Dosing for corrosion inhibitors, scale-control chemicals, biocides and pH correction, often linked to make-up flow or water-quality signals.
DM and pretreatment systems
Acid, caustic, antiscalant, coagulant and neutralisation duties across demineralisation and water-treatment packages.
Boiler chemical preparation
Preparation tanks, agitators, duty/standby pumps, calibration devices, valves, piping and control panels configured as coordinated packages.
Operating challenges
Requirements that shape the solution
- Low flow at meaningful injection pressure
- Continuous duty and high plant availability
- Chemical containment and operator safety
- Stable output across changing load
- Duty/standby changeover and remote control
- Project-specific inspection and documentation
Selection inputs
Information needed for selection
- 01Treatment chemical, concentration and prepared-solution strength
- 02Normal and maximum boiler or system pressure
- 03Required minimum, normal and maximum dosing rate
- 04Available suction head and tank arrangement
- 05Control signal, interlocks and plant communication
- 06Redundancy, testing and documentation requirements
Relevant equipment
Pump and dosing solutions for this sector
Metering pumps
Accurate chemical injection across required load cases.
API 675 metering pumps
Project-specified controlled-volume pump packages.
Chemical dosing systems
Integrated tanks, agitators, pumps and controls.
Pump spare parts
Lifecycle support for installed dosing equipment.
Frequently asked questions
Technical questions from project teams
What information is required for a power-plant dosing proposal?
Provide the chemical, solution concentration, dosing-rate range, suction arrangement, injection pressure, temperature, control philosophy, redundancy and applicable project specification.
Can a duty and standby arrangement be supplied?
Yes. Pump configuration, automatic or manual changeover, common equipment and control logic can be defined around the plant's availability requirement.
Application engineering support
Share your duty conditions.
Send the fluid, capacity, pressure, temperature, materials and project requirements. Petrox will review the application and coordinate a suitable VK Pumps solution.