In addition to the provisions described in greater detail in VDI Code of Practice 2584 for “reduction of emissions from preparation plants for concrete aggregates and building-material mixtures”, the following requirements are also coming ever more prominently to the fore:
Minimisation of energy input
Minimisation of residual particulates content in the classified fractions
Minimisation of the misplaced-particle content in the dedusting filler material
The residual dust content reduced down to 10 mg/m³ planned in the amendment to the German Clean Air Act scheduled for 2017 and the TLVs specified...