Ecovyst completes Waggaman, Louisiana sulfuric acid asset acquisition

Key highlights
  • Eco Services Operations Corp., a wholly‑owned Ecovyst subsidiary, completed purchase of Cornerstone Chemical’s Waggaman, Louisiana sulfuric acid production assets.
  • Ecovyst expects the assets to increase network flexibility and improve supply reliability for customers.
  • The acquisition expands capacity to serve anticipated growth in demand for virgin sulfuric acid and sulfuric acid regeneration services.
  • Ecovyst will integrate the Waggaman team and assets into its existing network.

Transaction completed

Eco Services Operations Corp., a wholly‑owned subsidiary of Ecovyst Inc., has completed its acquisition of the Waggaman, Louisiana sulfuric acid production assets from Cornerstone Chemical Company.

Operational impact

Ecovyst expects the addition of the Cornerstone assets to translate into increased network flexibility and greater supply reliability for the benefit of its customers, while providing a significant increase in capacity to serve anticipated future growth in demand for virgin sulfuric acid and for sulfuric acid regeneration services.

Integration

The company said it will integrate the Cornerstone assets into its existing network and has welcomed the Waggaman team as new colleagues.

Source: investor.ecovyst.com

chemXplore Weekly

The week’s project milestones and project news from the chemical industry, free every Wednesday.

Free. One email a week. Unsubscribe any time.

Related articles

30 June 2026
Ecovyst completes acquisition of Calabrian SO2 and derivatives business

Adds sulfur dioxide and related derivatives capabilities; broadens end-use exposure into mining, water treatment, food processing and pharmaceuticals; company cites expected margins and synergies.

14 May 2026
Ecovyst completes $100M Term Loan B add-on for INEOS Calabrian acquisition

Issued at par and co‑terminus with a $397M loan, the add‑on carries SOFR+2.00% and will partly fund the Calabrian sulfur dioxide and derivatives purchase; closing expected by end‑Q2 2026.

11 May 2026
Ecovyst adds $100M Term Loan B to fund INEOS Calabrian sulfur business acquisition

Plans a $100M Term Loan B add-on to finance acquisition of INEOS’s Calabrian sulfur dioxide and related sulfur derivatives business; close targeted end-Q2 2026 with ~2x net leverage.