The production and service activities involve the use of process materials acquired from external suppliers, including, for example, products for cooling and lubricating plants and machinery, substances for treating water, and reagents for waste treatment and waste-to-energy processes. In 2021, the Group used 162,910 tons of process materials in total, with a marginal proportion of renewable materials, considering the type of processes managed.
As part of the Group’s supplier certification process, qualitative information is specifically requested regarding the use of materials with low emissions, low energy consumption, of recycled or recyclable material and the eventual adoption of procedures for the storage and collection of recyclable materials in order to guarantee recycling.