Potassium hydroxide (KOH) news

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  12 March 2026

  Vynova Earns EcoVadis Gold Rating Again

  Vynova ranks in the top 5% for sustainability, earning its fifth consecutive EcoVadis Gold or Platinum rating, highlighting its commitment to responsible business practices.
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  1 December 2022

  INEOS Acquires ASHTA Chemicals from Bigshire Mexico

  The acquisition includes a 100ktpa KOH/65kte Chlorine plant in Ohio. ASHTA becomes INEOS KOH, continuing to serve markets like fertilizers, de-icers, and pharmaceuticals.
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  15 April 2021

  New Potassium Hydroxide Plant Operational in Pieve Vergonte

  The new plant produces 25,000 tons of chlorine and 80,000 tons of potassium hydroxide annually, enhancing the site's capacity and securing jobs. Investments included remediation, new electrolysis, and chlorination plants.
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  22 November 2017

  Vynova Invests in KOH and NaOH Expansion

  The KOH facility in Tessenderlo is on track for Q2 2018 completion. NaOH capacity will expand by early 2019, reinforcing long-term market commitment.
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  30 October 2015

  SPOLCHEMIE to Implement Membrane Electrolysis

  The new plant, operational in late 2016, will produce 60,000dmt of KOH and 43,000dmt of NaOH, replacing mercury electrolysis to meet EU environmental standards and enhance market position.
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  23 September 2015

  INOVYN to Invest in Large-Scale KOH Facility in Belgium

  The new 160kT KOH plant at Antwerp/Lillo will be operational in 2017, leveraging existing infrastructure for cost efficiency and benefiting from proximity to the Port of Antwerp and local chlorine customers.

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  28 August 2015

  VYNOVA to Build New KOH Facility at Tessenderlo

  The new facility will replace the mercury cellroom, boosting KOH production. ICIG will become Europe's leading KOH producer with two sites, enhancing its commitment to the industry and customers.
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  16 June 2015

  AkzoNobel and Evonik Form Chlorine/Potassium Hydroxide JV

  The JV will build a membrane electrolysis plant in Germany by end-2017, producing 130,000 tons of potassium hydroxide and 82,000 tons of chlorine annually, enhancing sustainability and market positions.
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  10 April 2015

  Tessenderlo Group Invests €50 Million in PC Loos Site

  The investment will fund a new membrane electrolysis plant, replacing mercury electrolysis, and support re-entry into the potassium hydroxide market by Q3 2015, enhancing site development.
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  1 January 2006

  Tessenderlo to Boost KOH Production in Belgium

  Production will increase to 220,000 tonnes/year by September, following closures of competing producers.