Chlor-alkali firm starts California plant expansion to market by-product hydrogen

  • Gas
  • December 18, 2025

US-based K2 Pure Solutions has started expanding its Californian chlor-alkali site with plans to sell by-product hydrogen in the state.

The company said its existing plant in Pittsburg would be expanded and equipped with hydrogen capture, purification, and compression systems.

The chlor-alkali plant produces bleach, which includes the electrolysis of brine – generating chlorine, hydrogen, and sodium hydroxide, with the hydrogen typically vented.

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