... that untreated RM, when directly stored in a disposal area, still poses a threat to the environment. All of the cement mortars demonstrated excellent sequestering effects, with lead, nickel and zinc concentrations all meeting environmental standards. No copper (Cu), cadmium (Cd), or beryllium (Be) were detected...

... environment Portland cement rheological properties volcanic cement Partial substitution of cement by materials with pozzolanic activity is a very active line of research. Specifically, the use of natural pozzolans like pumice powder and volcanic ash is adequate in earthquake zones, due...

... phase, leading to a dense microstructure of the mortars. 12 06 2021 04 02 2022 ICE Publishing: All rights reserved 2022 environment recycling & reuse of materials sustainability The huge amounts of energy that are required for rapid economic development generate...