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Three commercial inhibitors were investigated for their suitability in preventing the spontaneous combustion of noncaking coal (NCC) and gas coal (GC), two coals of low metamorphic grades. Simultaneous thermal analysis, Fourier transform infrared spectroscopy, and kinetic analysis demonstrated that Zn/Mg/Al-CO3-layered double hydroxides (LDHs) and diammonum phosphate ([NH4]2HPO4) both exhibited substantial...
Layered double hydroxides (LDHs) have excellent physical and chemical properties and are thus widely and effectively used to inhibit spontaneous coal combustion. In this study, Zn/Mg/Al–CO3 LDHs, which are metal ion–LDH complexes, were prepared through coprecipitation and synthesized using three types of coal with different metamorphic degrees to form Zn/Mg/Al–CO3 LDH/coal. Additionally, the spontaneous...
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