Quid magis est saxo durum, quid mollius unda? Dura tamen molli saxa cavantur aqua.

Publio Ovidio Nasone (43 a.C. - 18 d.C.) - Ars Amatoria, Liber I

Recycling of bituminous matter

AQUAVIS, in co-operation with the Department of Civil and Environmental Engineering and Architecture (DICAAR) of the University of Cagliari and with Nuova Cem.Ar. Granulati S.r.l., has contributed to the development of a project financially supported by the Regional Government of Sardinia concerning the “Recovery and recycling of composite materials with advanced technologies” focused on the study of new ways for the beneficiation of waste materials from roadways renovation or from the removal of unsuitable waterproof sheaths used in the building industry. The use of water jets proved to be an efficient means for the liberation of the mineral aggregates from the bituminous matrix, enabling to overcome the difficulties related to the variability of the characteristics of bitumen as a function of environment conditions.

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