Desilication and Recycling of Alkali-Silicate Solution for Low-Grade High-Silica Bauxite Utilization
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DOI: 10.1007/s11837-019-03934-6
Abstract: This study investigated the effects of CaO addition amount, initial caustic and silica concentrations, and reaction temperature on the desilication ratio in an alkali-silicate solution. The optimal desilication conditions for an alkali-silicate solution with active… read more here.
Keywords: silica; desilication; alkali silicate; solution ... See more keywords
Desilication and recycling of alkali-silicate solution seeded with red mud for low-grade bauxite utilization
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DOI: 10.1016/j.jmrt.2020.04.095
Abstract: Abstract When low-grade high-silica bauxite undergoes desilication by alkaline leaching, a large amount of alkali-silicate solution will be produced. To realize its recycling, the alkali-silicate solution needs to be desiliconized. In this study, the effectiveness… read more here.
Keywords: red mud; desilication; alkali silicate; silicate solution ... See more keywords
Performance of Na2SiO3 solution fly ash based geopolymer mortar under ambient curing
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DOI: 10.1088/2053-1591/ab0dd1
Abstract: The aim of this study is to investigate the effects of sodium silicate solution with varying concentrations on aluminosilicate- based geopolymer mortars. The total binder content of 600 kg m−3 is maintained in all the… read more here.
Keywords: based geopolymer; mortar; ambient curing; silicate solution ... See more keywords
Strength and Microstructure Characteristics of Blended Fly Ash and Ground Granulated Blast Furnace Slag Geopolymer Mortars with Na and K Silicate Solution
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DOI: 10.3390/ma15010211
Abstract: Mineral geopolymer binders can be an attractive and more sustainable alternative to traditional Portland cement materials for special applications. In geopolymer technology the precursor is a source of silicon and aluminium oxides, the second component… read more here.
Keywords: strength; alkaline solution; solution; fly ash ... See more keywords