ProMinent Electrolysis System CHLORINSITU III

10278

Chlorine and sodium hydroxide made from common salt. Directly on site.

Electrolysis systems of type CHLORINSITU® III generate sodium hypochlorite with a concentration of approximately 25 g/l with minimal entrainment of sodium chloride (85 % output) from the diaphragm cell into the finished product. A saturated solution of sodium chloride is produced in a salt-dissolving tank, included in the scope of delivery, and this solution is then electrolysed in a diaphragm cell. Sodium hydroxide solution and hydrogen are produced in the cathode chamber while ultra-pure active chlorine and a diluted residual brine are produced in the anode chamber, separated by the diaphragm from the cathode chamber. The resulting active chlorine is bound to the sodium hydroxide solution through an injector under constant vacuum and is collected as sodium hypochlorite in a product tank. The vacuum is kept constant by a frequency-controlled centrifugal pump. This creates less mechanical stress on the diaphragm in the electrolysis cell and in other parts of the system. The complete sodium hypochlorite solution can be metered, as required, by separate metering pumps. Due to its moderate pH value of 9.5 - 10, it affects the pH of the treated water significantly less than if conventional sodium-calcium hypochlorite with a pH of 12 13.5 were to be used. Much less acid is used to adjust the pH value, enabling savings of up to 70 %. The hydrogen always produced during electrolysis is diluted with fresh air by a fan and discharged safely. The salt-dissolving water comes from an integrated softener, preventing the formation of lime deposits and ensuring the long service life of the diaphragm cell. The efficiency of electrolysis is constantly monitored by various flow meters, with addition of water depending on the sodium hydroxide solution production and a dynamic level control in the product tank.

Sodium hypochlorite solution low in chloride and chlorate with a high chlorine concentration (25 g/l free chlorine)
Minimal acid consumption for pH correction, enabling savings of up to 70 %
Safe system control with remote diagnosis by Remote Control Engineer
Excellent service life of the diaphragm cells, thanks to a constant vacuum
A frequency-controlled centrifugal pump maintains the vacuum constant in the enclosed anode area
Excellent operating safety due to its design as a negative pressure system

 

Your Benefits

  • Sodium hypochlorite solution low in chloride and chlorate with a high chlorine concentration (25 g/l free chlorine)
  • Minimal acid consumption for pH correction, enabling savings of up to 70 %
  • Safe system control with remote diagnosis by Remote Control Engineer
  • Excellent service life of the diaphragm cells, thanks to a constant vacuum
  • A frequency-controlled centrifugal pump maintains the vacuum constant in the enclosed anode area
  • Excellent operating safety due to its design as a negative pressure system

PDF Click here to download the CHLORINSITU® III


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