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在Ca（OH）2碱性条件下亚硫酸钙对矿渣的激发作用研究
Research of Calcium Sulfite on Activating Slag Hydration under the Calcium Hydrate Alkali Condition
【摘要】 采用DTA、XRD、SEM等测试方法 ,研究了在Ca(OH) 2 碱性条件下CaSO3·1 2H2 O对矿渣的激发作用 ,并与CaSO4·2H2 O对矿渣的激发作用进行了对比。结果表明 :CaSO3·1 2H2 O对矿渣的激发作用远不如CaSO4·2H2 O ,CaSO3·1 2H2 O和铝酸盐反应主要生成片状的C3A·CaSO3·11H2 O
【Abstract】 The usage of CaO, Ca(OH) 2 and CaCO 3 for flue gas desulfuration produces sulfite\|containing residue, which are used sometimes in cement industry. In this study, the course of hydration and reaction mechanisms of slag cements with CaSO 3·1/2H 2O,CaSO 4·2H 2O and Ca(OH) 2 addition in definite quantities were investigated by DTA, XRD and SEM. By addition of calciumsulfite to slag cement no primary ettringite is formed but instead typical lamellar hydrates are crystallizing.
- 【文献出处】 材料科学与工程 ,Materials Science and Engineering , 编辑部邮箱 ,2002年01期
- 【分类号】X773
- 【被引频次】13
- 【下载频次】231