Industrial Park Waste Salt

Conversion of NaNO₃ to HNO₃ and NaOH

Description

Lanran provides integrated solutions for large-scale waste salt valorization in industrial parks. Through membrane separation and BPED conversion, mixed waste salts from centralized wastewater treatment are transformed into acids and alkalis.

Process

  • Park wastewater undergoes pretreatment and NF/RO concentration.
  • Relatively pure NaCl or Na₂SO₄ brine is obtained.
  • Brine enters BPED system and is converted into HCl/H₂SO₄ and NaOH.
  • Products are reused within the park or supplied externally.

Applications

  • Wastewater and salt management in large industrial parks

Key Advantages

Provides scalable waste salt disposal solution

Converts waste into valuable chemicals

Promotes regional circular economy and reduces disposal costs

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