Influence and hydrolysis kinetics in titanyl sulfate solution from the sodium hydroxide molten salt method
文献类型：期刊论文
| 作者 | Wang, Weijing1,2; Chen, Desheng2; Chu, Jinglong2; Li, Jie2; Xue, Tianyan2; Wang, Lina2; Wang, Dong1,2; Qi, Tao2 |
| 刊名 | JOURNAL OF CRYSTAL GROWTH
 |
| 出版日期 | 2013-10-15 |
| 卷号 | 381期号:0页码:153-159 |
| 关键词 | Growth models Hydrolysis process Minerals Sodium sulfate Titanyl sulfate solution |
| 英文摘要 | Hydrated titanium dioxide (HTD) was precipitated by thermal hydrolysis in purified titanyl sulfate solution (TSS) obtained through the sodium hydroxide molten salt clean method. Various factors including the stirring speed and initial concentrations of TiOSO4, sulfuric acid, and sodium ion were studied. The main influence factors in the hydrolysis process were the initial concentrations of TiOSO4 and sulfuric acid. Contrary to the ferrous ion, the sodium ion improved the ionic activity of Ti4+, but did not decrease the crystal size. The Boltzman growth model (x=A(2)+(A(1) - A(2))/{1+exp[(t - t(0))/dt)]}, which focuses on two main parameters (C-TiOSO4 and C-H2SO4), fits the hydrolysis process well with R-2 > 0.97. An increase in sulfuric acid concentration negatively affected the hydrolysis rates and the value of A(2), while t(0) increased. An increase in titanyl sulfate concentration directly reduced the hydrolysis rates and particle size of HTD, contrary to the trend for the value of t(0). A simulation software called 1stopt was used to observe the relationship between Z (A(1), A(2), t(0), dt) and a, b (C-TiO2 and C-H2SO4). (c) 2013 Elsevier B.V. All rights reserved. |
| WOS标题词 | Science & Technology ; Physical Sciences ; Technology |
| 类目[WOS] | Crystallography ; Materials Science, Multidisciplinary ; Physics, Applied |
| 研究领域[WOS] | Crystallography ; Materials Science ; Physics |
| 关键词[WOS] | THERMAL-HYDROLYSIS ; ANATASE PARTICLES ; RUTILE ; PRECIPITATION ; TIO2 ; OXIDES |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000324303500028 |
| 公开日期 | 2015-05-27 |
| 源URL | [http://ir.ipe.ac.cn/handle/122111/13677]  |
| 专题 | 过程工程研究所_研究所（批量导入） |
| 作者单位 | 1.Univ Chinese Acad Sci, Beijing 100039, Peoples R China 2.Chinese Acad Sci, Inst Proc Engn, Natl Engn Lab Hydromet Cleaner Prod Technol, Beijing 100190, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wang, Weijing,Chen, Desheng,Chu, Jinglong,et al. Influence and hydrolysis kinetics in titanyl sulfate solution from the sodium hydroxide molten salt method[J]. JOURNAL OF CRYSTAL GROWTH,2013,381(0):153-159. |
| APA | Wang, Weijing.,Chen, Desheng.,Chu, Jinglong.,Li, Jie.,Xue, Tianyan.,...&Qi, Tao.(2013).Influence and hydrolysis kinetics in titanyl sulfate solution from the sodium hydroxide molten salt method.JOURNAL OF CRYSTAL GROWTH,381(0),153-159. |
| MLA | Wang, Weijing,et al."Influence and hydrolysis kinetics in titanyl sulfate solution from the sodium hydroxide molten salt method".JOURNAL OF CRYSTAL GROWTH 381.0(2013):153-159. |
入库方式： OAI收割
来源：过程工程研究所
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