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Preparation of magnesium oxysulfate cement using magnesium-rich byproducts from the production of lithium carbonate from salt lakes
Wu Chengyou; Chen Cong; Zhang Huifang; Tan Yongshan; Yu Hongfa
2018-05-30
发表期刊CONSTRUCTION AND BUILDING MATERIALS
ISSN0950-0618
卷号172页码:597-607
关键词Magnesium Residue Magnesium Oxysulfate Cement Strength Calcination Temperature Seed Crystal
摘要Low-cost magnesium oxysulfate (MOS) cement was prepared using magnesia derived from the calcination of magnesium-residue from the production of LiCO3 from salt lake brine. Setting time, mechanical strength, hydration mechanism, hydration products and microstructure of this MOS cement were determined. MOS cement prepared with magnesia after calcination at low temperatures and high molar ratio of a-MgO/MgSO4 was found to harden rapidly but the later-stage strength decreased. However, partial replacement of magnesia obtained from the calcination of magnesium-rich residues by pure light burned magnesia and addition of 5.1.7 phase seed crystals are viable strategies for obtaining MOS cement with improved properties. (C) 2018 Elsevier Ltd. All rights reserved.
DOI10.1016/j.conbuildmat.2018.04.005
语种英语
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文献类型期刊论文
条目标识符http://ir.isl.ac.cn/handle/363002/6705
专题中国科学院青海盐湖研究所
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GB/T 7714
Wu Chengyou,Chen Cong,Zhang Huifang,et al. Preparation of magnesium oxysulfate cement using magnesium-rich byproducts from the production of lithium carbonate from salt lakes[J]. CONSTRUCTION AND BUILDING MATERIALS,2018,172:597-607.
APA Wu Chengyou,Chen Cong,Zhang Huifang,Tan Yongshan,&Yu Hongfa.(2018).Preparation of magnesium oxysulfate cement using magnesium-rich byproducts from the production of lithium carbonate from salt lakes.CONSTRUCTION AND BUILDING MATERIALS,172,597-607.
MLA Wu Chengyou,et al."Preparation of magnesium oxysulfate cement using magnesium-rich byproducts from the production of lithium carbonate from salt lakes".CONSTRUCTION AND BUILDING MATERIALS 172(2018):597-607.
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