Details of Sustainability Topics

In this project, CO₂ was used to treat wastewater instead of a process using acid. The pharmaceutical company CSL Behring LLC used sulfuric acid for wastewater treatment, but the strong acid caused various corrosion issues for equipment. Matheson Tri-Gas, Inc. responded to a request from CSL Behring to propose a wastewater treatment system using CO₂ and run a trial operation. The results far exceeded expectations, and led to a full implementation. As a result, the corrosion issues were completely resolved, while achieving adequate wastewater treatment function.