Salt slag recycled by-products in high insulation alternative environmentally friendly cellular concrete manufacturing

This investigation presents an important contribution to the understanding of the "zero discharge in the aluminium cycle" goal. The salt slag recycled by-product was reused as alternative aerating agent in the manufacture of cellular concretes: fluid catalytic cracking catalyst (FCC) - based geopolymer (GCC) and blast furnace (BFS) - based alkali-activated (AACC). The hydrogen emission test was used to evaluate the gas releasing properties because of the presence of metallic aluminium in the salt slag. Density (kg/cm(3)), compressive strength (MPa) and thermal conductivity (W/mK) for GCC were 75, 6.9 and 0.31 and for AACC were 602, 7.5 and 0.16. (C) 2019 Elsevier Ltd. All rights reserved.