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Effect of the Silicate Structure on Calcium Elution Behaviors of Calcium-silicate Based Mineral Phases in Aqueous Solution

机译:硅酸盐结构对水溶液中硅酸钙基矿物相钙洗脱行为的影响

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摘要

In this study, the effect of the silicate structure of calcium-silicate based mineral phases on their Ca elution behaviors into water was investigated. The Ca elution behaviors of Ca-silicate based mineral phases with different skeleton silicate structures in ion-exchanged water were analyzed using the powder leaching test. The elution amount of Ca was in the order alite (Ca_3SiO_5) > belite (γ-Ca_2SiO_4) > rankinite (Ca_3Si_2O_7) > pseudowollastonite (α-CaSiO_3) > wollastonite (β-CaSiO_3) ≈ cuspidine (Ca_4Si_2O_7F_2) > diop-side (CaMgSi_2O_6) > hedenbergite (CaFeSi_2O_6) > tremolite (Ca_2Mg_5Si_8O_(22)(OH)_2) > anorthite (CaAl_2Si_2O_8). This suggests that the elution amount of Ca decreased with the skeleton silicate structure became more complicated.
机译:在这项研究中,研究了硅酸钙基矿物相的硅酸盐结构对其在水中的钙洗脱行为的影响。使用粉末浸出试验分析了具有不同骨架硅酸盐结构的钙硅酸盐基矿物相在离子交换水中的钙洗脱行为。 Ca的洗脱量依次为alite(Ca_3SiO_5)> belite(γ-Ca_2SiO_4)>兰铁矿(Ca_3Si_2O_7)>伪硅灰石(α-CaSiO_3)>硅灰石(β-CaSiO_3)≈cuspidine(Ca_4Si_2O_7F_2)>透辉石)>菱铁矿(CaFeSi_2O_6)>透闪石(Ca_2Mg_5Si_8O_(22)(OH)_2)>钙长石(CaAl_2Si_2O_8)。这表明Ca的洗脱量随着骨架硅酸盐结构而降低。

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