• Skip to main content

    Sulphur 418 May-Jun 2025

    Cornerstone sells sulphuric acid operations


    UNITED STATES

    Cornerstone sells sulphuric acid operations

    Cornerstone Chemical Company has sold its sulphuric acid operations to Ecovyst, a global provider of advanced materials, specialty catalysts, sulphuric acid and regeneration services based in Malvern, Pennsylvania. Ecovyst’s business structure includes two core business units: Advanced Materials and Catalysts (AM&C) and Ecoservices. Ecovyst more than 900 employees throughout its 12 facilities across multiple locations worldwide and its Ecoservices division is a North American provider of sulphuric acid and sulphuric acid regeneration services.

    “Cornerstone looks forward to a smooth transition of the sulphuric acid business to Ecovyst, and we are confident in the long-term success of that business and its employees,” said Matthew Sokol, Cornerstone’s president and chief executive officer. “The sale of our sulphuric acid business is the next step in aligning our strategic goal of operating high-performing specialty chemical assets and a world-class Energy Park in Southern Louisiana. We thank those members of our team who are part of the sulphuric acid business, and we wish Ecovyst much success in the future.”

    Situated along the Mississippi River in Waggaman, Louisiana, Cornerstone Energy Park serves as a prominent industrial hub and service provider. Established in 1952, the Energy Park is home to several stateof-the-art chemical manufacturing facilities, including site owner Cornerstone Chemical Company, LLC.

    Latest in Industrial

    OMV takes green methanol from Kasso plant

    Green methanol has begun to be shipped to Austria's OMV from the Solar Park Kasso plant. The plant is operated by a joint venture between Mitsui & Co., Ltd, with a 49% share, and renewable energy company European Energy A/S (51%). The plant, located in Kassø, southern Denmark, was inaugurated on 13 May 2025 and is based on hydrogen derived from solar electricity from the adjacent 304 MW Kassø Solar Park, which is then combined with biogenic CO2 and distilled to 99.9% purity, suitable for combustion engines and plastics production. The plant makes 42,000 t/a of green methanol.