LET

  • Chlor-Alkali Electrolysis
  • WT and WWT engineering

Flow electrolyzer

A flow electrolyzer is employed for the production of sodium hypochlorite from an artificial solution of table salt and underground mineralized water with an elevated sodium chloride content.

The electrolysis process is carried out in a continuous flow mode by supplying mineralized water through the electrolyzer. As a result, the electrolyzer produces an aqueous solution of sodium hypochlorite with an active chlorine concentration of up to 8.0 g/l.

The design of the flow electrolyzer includes the following systems and components:

  • Electrolysis unit
  • Piping system with pipeline fittings
  • Wet storage and preparation tank for a saturated salt solution
  • Power supply, automation, and instrumentation system
  • Forced ventilation system
  • Water softening unit
  • Acid flushing unit.

The components of the flow electrolyzer construction are:

  • Flow electrolyzer
  • Buffer tank
  • Direct current rectifier
  • Pump for transferring the produced solution.

The technological process of obtaining the aqueous solution of sodium hypochlorite involves pumping mineralized water through a pressure pipeline into the electrolyzers. The volume of water entering the electrolyzers is regulated by valves and monitored at the entrances to the electrolyzers by water meters.

The design of a flow electrolyzer

The design of a flow electrolyzer

The water flowing through the electrolyzers undergoes the process of electrolysis, resulting in the production of a sodium hypochlorite solution at the electrolyzer’s outlet. This solution is then directed from the electrolyzers to buffer tanks and subsequently pumped for disinfection. The adjustment of the active chlorine quantity is controlled by the capacity of the sodium hypochlorite feed pumps.

Back to "Articles"