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Preparation of magnesium oxysulfate cement using magnesium-rich byproducts from the production of lithium carbonate from salt lakes
Wu Chengyou1; Chen Cong1; Zhang Huifang2; Tan Yongshan3; Yu Hongfa3
2018-05-30
发表期刊CONSTRUCTION AND BUILDING MATERIALS
卷号172页码:597-607
文章类型Article
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.
关键词Magnesium Residue Magnesium Oxysulfate Cement Strength Calcination Temperature Seed Crystal
WOS标题词Science & Technology ; Technology
关键词[WOS]PHOSPHATE CEMENT ; ACID ; HYDRATION ; PERFORMANCE ; CRYSTAL ; OXIDE
收录类别SCI
语种英语
WOS研究方向Construction & Building Technology ; Engineering ; Materials Science
WOS类目Construction & Building Technology ; Engineering, Civil ; Materials Science, Multidisciplinary
WOS记录号WOS:000432768100057
出版者ELSEVIER SCI LTD
引用统计
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
通讯作者Wu Chengyou
作者单位1.Qinghai Univ, Sch Civil Engn, Xining 810016, Qinghai, Peoples R China
2.Chinese Acad Sci, Qinghai Inst Salt Lakes, Xining 810008, Qinghai, Peoples R China
3.Nanjing Univ Aeronaut & Astronaut, Dept Civil Engn, Nanjing 210016, Jiangsu, Peoples R China
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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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