The sulphuric Acid and Recycling Business Unit operates a sulphuric acid plant at the Industrial Park Höchst in Frankfurt for the manufacture of liquid sulphur trioxide and oleum, as well as 96% and 98% sulphuric acid. The burning of ultra-pure natural gas sulphur forms the basis for the chemical network of our facility in Frankfurt.

Our recycling process is operated at the Duisburg site and is based on processes developed internally by Grillo for recycling industrial waste materials.