Abstract: With the continuous exploitation of high-quality magnesite ores, a large number of low-grade magnesite ores with high calcium contents were abandoned, thereby occupying the land, polluting the environment, and causing ...

Abstract: To avoid stacking and discarding low-grade magnesite tailings with high calcium contents, this study investigated the preparation of magnesium oxysulfate (MOS) cement by using boric acid–, oxalic acid–, and ethylenediami ...

Abstract: A new type of material, magnesium oxysulfate cement (MOSC), has attracted widespread attention as an environmentally friendly and low-energy inorganic green cementitious material due to its outstanding performance. In this ...

Abstract: In this study, magnesium ammonium phosphate cement (MAPC) was prepared with different dosages of silica fume. The physical properties of MAPC were tested and its high-temperature properties were investigated in detail. The ...

Abstract: Magnesium silicate hydrate (M─ S─ H) cement has many excellent properties, but its resistance to corrosion by SO42− and Cl− has not been investigated. In this study, M─ S─ H cement was prepared from light burned magnesia ...

Abstract: In this paper, solid waste phosphate slag is introduced into cement to use its phosphates to retard the setting time of cement, which is helpful for improving the mechanical properties of cement while saving energy and ...

Abstract: Rapid-hardening magnesium oxysulfate (MOS) cements were prepared using a high-activity light-burned magnesia (HA-LBM) powder and boric acid (BA). The early hydration, compressive strength, phase composition, microstructure, ...