Electrolysis / Salt Splitting

Separating solutions through direct current and controlled chemistry.

Electrolysis / Salt Splitting

Electrolysis, in the context of salt splitting, is a chemical separation process that uses direct current to break down dissolved salts into their acid and base components. This technique is commonly used in industrial wastewater treatment, chemical production, and process water recycling. By applying DC power across ion-selective membranes, the process drives ions to migrate and separate into different chambers, allowing the recovery of valuable chemicals or the neutralization of waste streams.

Salt splitting originated as a more sustainable alternative to chemical dosing in water treatment and chemical recovery. It is particularly useful in industries that deal with large volumes of rinse water or mixed salt solutions, such as metal finishing, semiconductor fabrication, and specialty chemical production.

The process improves environmental compliance, reduces chemical consumption, and allows for the reuse of water and reagents within the same facility.

How it Works

Salt splitting requires a stable and adjustable DC power supply to maintain the correct current density across ion exchange membranes. The rectifier must deliver clean, uninterrupted power to promote efficient ion migration without damaging membranes or reducing separation efficiency. Accurate control is essential for optimizing throughput, chemical recovery rates, and overall process efficiency.

American CRS Equipment provides high-performance rectifiers suited for salt splitting systems, designed to operate continuously in demanding environments. Our solutions help improve process control, energy efficiency, and long-term reliability across a variety of electrochemical separation applications.

Salt Splitting Applications

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Common Questions

Frequently Asked Questions (FAQ)

Discover how electrolysis salt splitting works, the products it generates, its efficiency, and its importance in industries like water treatment, energy storage, and chemical manufacturing.

Electrolysis salt splitting is a process where an electric current is used to decompose salt solutions into useful chemical products through ion separation and reaction.

The process typically produces chlorine gas, hydrogen gas, and a base such as sodium hydroxide or potassium hydroxide, depending on the salt used.

  • At the anode, oxidation occurs, releasing chlorine gas.
  • At the cathode, reduction occurs, producing hydrogen gas and hydroxide ions.
  • These reactions are facilitated by the movement of ions in the solution.

Sodium chloride (NaCl) is the most common salt used, but other salts like potassium chloride (KCl) can also be processed.

  • Chlor-alkali production for chlorine, caustic soda, and hydrogen.
  • Water treatment to produce disinfectants.
  • Energy storage and battery manufacturing.