The goal of a 70% recycling rate of C&D waste by 2020 requires increased recycling of the 3 mil-lion tons of gypsum waste produced in the EU p.a.Where gypsum waste is recycled, available technology allows up to 90% to be returned to the C&D sector as secondary raw material, whereas the remaining fraction, composed of paper and con-taminants, is disposed of, at an economical cost to the recycling b ...