Tag: Sulphur Dioxide

South Korean metals producer LS MnM plans to use sulphuric acid recovered from copper-smelting operations to process nickel and cobalt for battery materials, linking its existing metals business with its expansion into the electric-vehicle supply chain. The company captures sulphur dioxide generated at its Onsan Smelter and converts it into sulphuric acid. LS MnM’s sulphuric-acid facilities have annual capacity of 1.925 million t/a, according to the company, providing a potential internal reagent source for hydrometallurgical processing.

HUGO PETERSEN marks 120 years of sulphuric acid innovation, showcasing integrated, low-emission technologies that maximise heat recovery, energy utilisation and operational flexibility across sulphuric acid and sulphur dioxide production.

Ecovyst reported 2Q 2026 sales of $250.0 million, up 42% from $176.1 million in 2025, driven by higher volumes and pricing, including about $55 million of sulphur cost pass-through. Net income rose to $10.7 million (a margin of 4.3%), while adjusted net income was $23.4 million. Adjusted EBITDA increased 27% to $53.1 million.

INEOS Enterprises has agreed to sell INEOS Calabrian, its ultra-pure sulphur dioxide and derivatives business, to Ecovyst. INEOS Calabrian operates manufacturing sites in Port Neches, Texas, USA and Timmins, Ontario, Canada. Completion of the sale is expected by the end of June 2026, subject to regulatory approvals.

Platinum-promoted honeycomb catalyst bricks offer function as total oxidation catalysts that convert all oxidisable species under appropriate temperature and oxygen conditions. P&P Industries presents a case for a H2S-rich gas stream – relevant to the fibre industry, Claus offgas treatment, and other chemical sectors.

Kazakhstan Zinc (KazZinc) is progressing with plans to reduce sulphur dioxide emissions from its Ust-Kamenogorsk site following an environmental audit in December 2024 as a result of smogs caused fugitive emissions which forced residents to stay indoors. The site has reduced emissions from 69,000 t/a in 2011 to 15,000 t/a, but plans to invest $210 million in in new technologies, including sulphur dioxide recovery systems and upgraded filters for solid particle capture. The key measure is the modernisation of gas purification units which is expected to reduce SO2 emissions by 2,200 t/a by 2026. Another important initiative is the construction of the “Hydropolimet” workshop at the KazZinc Ridder metallurgical complex, which aims to reduce sulphur dioxide emissions by 714 t/a.

This study introduces a new platinum-promoted honeycomb catalyst for sulphur dioxide oxidation, designed to enhance energy efficiency and reduce emissions in sulphuric acid production. Compared to conventional vanadium oxide based catalysts, the platinum-based catalyst demonstrates higher catalytic activity, lower ignition temperature, and significantly reduced toxicity.

OCP Group has launched what it calls the Mzinda-Meskala Strategic Programme, aimed at significantly expanding fertilizer production in the country. Initially announced in December 2022, the program is set to enhance production capacity in two key regions: the Mzinda-Safi Corridor and the Meskala-Essaouira Corridor. This initiative is part of OCP’s broader strategy to meet growing global demand for fertilizers while committing to long-term sustainability goals, including achieving carbon neutrality by 2040.

Beyond its use in the manufacture of sulphuric acid, sulphur dioxide also has many industrial uses, especially in the food, paper, pharmaceutical and refining industries.

Optical gas imaging technology, enhanced by artificial intelligence, offers a groundbreaking approach to monitoring SO2 emissions in real time. Andrés Russu of SENSIA introduces SENSIA’s RedLook solution which offers fully autonomous, 24/7 continuous monitoring of SO2 leaks, providing industries with the tools they need to maintain environmental integrity and operational safety.