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Influence of TiO(2)on the viscosity of the molten slag and the confirmation of the acid-base property on TiO2
Zhang, Huai1; Sun, Hao-yan2; She, Xue-feng1; Wang, Jing-song1; Xue, Qing-guo1
2020-09-04
Source PublicationIRONMAKING & STEELMAKING
ISSN0301-9233
Pages6
AbstractThe viscosities of high titanium containing slag with TiO(2)ranging from 23 to 43 mass%, Al(2)O(3)9 mass% and CaO/SiO(2)ranging from 0.3 to 0.7 were experimentally determined by the rotating cylinder method. Experiments were conducted in the temperature range of 1573-1873 K. The effects of TiO2, basicity, and temperature on viscosity were studied. The experimental results indicated that above the liquidus temperatures, the viscosities decrease with TiO(2)and basicity increasing. And increasing on CaO content should be more effective in depolymerizing slag structure and lowering viscosity compared to TiO(2)addition. Moreover TiO(2)behaved as a weak acid oxide in the experiment slags by XPS analysis. Based on the experimental data of CaO-SiO2-Al2O3-TiO(2)quaternary system, the activation energy of viscous flow was calculated between 115 and 141 kJ mol(-1)depending on the slag composition.
KeywordTiO2 viscosity XPS oxide
DOI10.1080/03019233.2020.1793289
Language英语
WOS KeywordBLAST-FURNACE SLAG ; SILICATE MELTS ; DYNAMIC OXIDATION ; MODEL ; CAO
Funding ProjectNational Science Foundation of China (NSFC)[51874029] ; National Science Foundation of China (NSFC)[51974287]
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
Funding OrganizationNational Science Foundation of China (NSFC)
WOS IDWOS:000568142000001
PublisherTAYLOR & FRANCIS LTD
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Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/42004
Collection中国科学院过程工程研究所
Corresponding AuthorShe, Xue-feng
Affiliation1.Univ Sci & Technol Beijing, State Key Lab Adv Met, Beijing 100083, Peoples R China
2.Chinese Acad Sci, State Key Lab Multiphase Complex Syst, Inst Proc Engn, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Huai,Sun, Hao-yan,She, Xue-feng,et al. Influence of TiO(2)on the viscosity of the molten slag and the confirmation of the acid-base property on TiO2[J]. IRONMAKING & STEELMAKING,2020:6.
APA Zhang, Huai,Sun, Hao-yan,She, Xue-feng,Wang, Jing-song,&Xue, Qing-guo.(2020).Influence of TiO(2)on the viscosity of the molten slag and the confirmation of the acid-base property on TiO2.IRONMAKING & STEELMAKING,6.
MLA Zhang, Huai,et al."Influence of TiO(2)on the viscosity of the molten slag and the confirmation of the acid-base property on TiO2".IRONMAKING & STEELMAKING (2020):6.
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