Elessent Clean Technologies Email Format
Environmental ServicesMissouri, United States201-500 Employees
Elessent Clean Technologies is a global environmental services company headquartered at 575 Maryville Centre Drive, Suite 400, St. Louis, Missouri 63141, United States, with between 201 and 500 employees. The company describes itself as a global provider of process technologies aimed at sustainability and carbon neutrality across the metals, fertilizer, chemicals, and oil refining industries. Its offerings include MECS sulfuric acid production, STRATCO alkylation, BELCO wet scrubbing, and IsoTherming hydroprocessing. Elessent has pursued strategic partnerships and acquisitions, including the October 2025 acquisition of Sulphurnet and collaborations such as the June 2026 alliance with Thermalindia and the January 2024 partnership with Essar Group to develop an industrial carbon capture facility at Stanlow, UK. Additional engagements include a January 2024 partnership with Zijin Mining to install a MECS sulfuric acid plant for the Kamoa-Kakula copper complex and a September 2023 collaboration with Trafigura for an IsoTherming diesel hydrotreater in Argentina.