Continuous Seawater Electrochlorinators

Automated, Continuous Chlorine Production for Medium to Large scale disinfection using seawater


Seawater electrochlorinator

Seawater Electrochlorination System

High-Capacity Continuous Production for Reliable Chlorination

Pristine Water continuous production electrochlorinators are designed for the high-capacity production of sodium hypochlorite solution directly from seawater

  • These systems ensure the continuous output of 0.1% to 0.2% sodium hypochlorite, making them ideal for various industrial applications.
  • Delivered as pre-assembled skids, our systems facilitate quick and predictable installation and commissioning.
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water purification for power plants by pristine water

Advanced Features for Efficient Operation

Equipped with state-of-the-art PLC controls, our seawater Electrochlorination systems include all necessary instrumentation for automatic operation. Triggers, alarms, and sensors ensure safety and efficiency, making these systems suitable for cooling water treatment, seawater intake channels, and other disinfection needs.

Applications in Power Plants and Marine Environments

Thermal and nuclear power plants near the seashore require massive amounts of water for cooling. Marine organisms like barnacles and oysters often proliferate in cooling water intake pipelines, causing operational issues. Chlorination is a widely accepted method to prevent fouling, and sodium hypochlorite produced from seawater is a safe, efficient alternative to chlorine gas.

System Components and Operation

Seawater Booster Pump

  • Ensures sufficient inlet pressure (at least 2 kg/cm2)
  • Constructed from Duplex Stainless Steel
  • Includes valves, check valves, and necessary instruments

Auto Backwash Strainers

  • Removes suspended solids larger than 0.5 mm
  • Features interconnecting pipework, isolating valves, pressure gauges, and automatic backwash equipment

Hypochlorite Generators

  • Produces sodium hypochlorite via electrolysis
  • Available in Parallel Plate, Concentric Tubular, and Mesh types
  • Installed indoors, with multiple configurations to achieve desired capacity

Transformer/Rectifiers

  • Provides controlled power supply
  • Options include air-cooled, seawater-cooled, or oil-cooled units
  • Equipped with control panels for local or remote operation.

Acid Cleaning Unit

  • Maintains electrolysers by removing calcium and magnesium deposits
  • Includes an acid tank and dosing pump for efficient cleaning

Hypochlorite Degassing cum Storage Tanks

  • Made from fiberglass, designed to store shock dosing requirements
  • Includes safety features like high-level alarms, level switches, and fresh air blowers for hydrogen removal

Dosing System for Continuous and Shock Chlorination

  • Continuous dosing pumps ensure a steady flow of hypochlorite solution
  • Shock dosing pumps provide higher rates of hypochlorite for short durations to control biofouling

Why Pristine Water's Seawater Electrochlorination System?

Choose our seawater Electrochlorination systems for a robust, efficient, and safe solution to your high-capacity chlorination needs

Instrumentation and Control

Our systems are equipped with comprehensive instrumentation, including pressure gauges, flow meters, temperature controllers, level switches, and hydrogen detectors. These are connected to control panels, which may be relay-based or PLC-based, ensuring precise operation and monitoring. PLC systems interface with plant DCS through SCADA for enhanced control.

Durable and Easy-to-Maintain Piping and Valves

We use PVC or CPVC pipes, valves, and fittings in our sodium hypochlorite generation systems. These materials resist corrosion and are easy to fabricate and erect, ensuring long-lasting and reliable performance.

Applications
  • Medium to large cooling water treatment facilities for disinfection of cooling water
  • Firewater treatment using seawater
  • Pre-treatment of raw water
Seawater electrochlorinator by Pristine Water

Industries using Pristine Water's Seawater Electrochlorination Systems

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