Topsoe introduces cesium-free VK68 catalyst for sulfuric acid plants

• Topsoe introduced VK68, a cesium-free catalyst for sulfuric acid plants designed to reduce exposure to rising cesium costs.
• A sulfur-burning plant in Asia increased daily sulfuric acid production by 14% using VK68 without compromising emissions.
• The customer achieved stable operation within six to eight hours, compared with more than 12 hours previously.
• VK68 matches VK69 performance from 420°C under relevant lean-gas conditions; cesium may still be necessary below 400°C.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Topsoe A/S published the original content used to generate this news brief on November 10, 2026, and is solely responsible for the information contained therein.