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Trans. Nonferrous Met. Soc. China 24(2014) 3979-3986 Dechromization and dealumination kinetics in process of Na2CO3-roasting pretreatment of laterite ores Qiang GUO1,2, Jing-kui QU1,2, Bing-bing... for the activation pretreatment of limonitic laterite ores by Na2CO3 roasting. Dechromization and dealumination kinetics of the laterite ores and the effect of particle size, Na2CO3-ore mass ratio, and roasting......
and dealumination for C-A-S-H gels, and the amount of corrosion products(gypsum and ettringite) decreased gradually with decreasing Ca/Si ratios of C-A-S-H. Sulfate ions can also promote the polymerization degree......
of Nonferrous Metals, 2015, 25(5): 1332-1338. [10] GUO Qiang, QU Jing-kui, HAN Bing-bing, WEI Guang-ye, ZHANG Pei-yu, QI Tao. Dechromization and dealumination kinetics in process of Na2CO3-roasting pretreatment......
mechanisms for Cr(Ⅲ)[J]. Spectroscopy and Spectral Analysis, 2012, 32(2): 324-328. [17] 马广伟, 谢在库. 硅铝分子筛骨架脱铝模型[J]. 材料研究学报, 2009, 23(2): 205-210. MA Guang-wei, XIE Zai-ku. Modelling of dealumination......
; (23) Progression of these reactions causes local acidity, thus accelerating dezincification and dealumination corrosion. Table 7 Fitting parameters for Zn 2p spectra Table 8......