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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
Source PublicationCONSTRUCTION AND BUILDING MATERIALS
Volume172Pages:597-607
SubtypeArticle
AbstractLow-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.
KeywordMagnesium Residue Magnesium Oxysulfate Cement Strength Calcination Temperature Seed Crystal
WOS HeadingsScience & Technology ; Technology
WOS KeywordPHOSPHATE CEMENT ; ACID ; HYDRATION ; PERFORMANCE ; CRYSTAL ; OXIDE
Indexed BySCI
Language英语
WOS Research AreaConstruction & Building Technology ; Engineering ; Materials Science
WOS SubjectConstruction & Building Technology ; Engineering, Civil ; Materials Science, Multidisciplinary
WOS IDWOS:000432768100057
PublisherELSEVIER SCI LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/6705
Collection中国科学院青海盐湖研究所
Corresponding AuthorWu Chengyou
Affiliation1.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
Recommended Citation
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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