From exhaust regulations and flying taxes to a ban on plastic bags - the aspect of environmental protection has arrived in politics and society. But not only end consumers need to implement sustainable processes – foundries are also affected by this development.

Although sand and gravity die casting are known to release large quantities of particles and tertiary amines, there is a lack of solutions for efficient and economic separation of these emissions. Despite the difficult situation, a German foundry began implementing an exhaust air purification project to optimally protect employees, local residents and the environment.