Knowledge Management System Of Institute of process engineering,CAS
| The dehydration of MgCl2 center dot 6H(2)O in MgCl2 center dot 6H(2)O-KCl-NH4Cl system | |
| 其他题名 | J. Anal. Appl. Pyrolysis |
| Zhang, Zhimin1; Lu, Xuchen1,3; Wang, Tizhuang1; Yan, Yan1; Pan, Feng1,2 | |
| 2014-11-01 | |
| 发表期刊 | JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS
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| ISSN | 0165-2370 |
| 卷号 | 110期号:NOV.页码:248-253 |
| 摘要 | The dehydration of MgCl2 center dot 6H(2)O in MgCl2 center dot 6H(2)O-NH4Cl-KCl system was investigated. The dehydration process was characterized by X-ray diffraction and chemical analysis. The dehydration effects of MgCl2 center dot 6H(2)O in different systems were compared. The dehydration mechanism of MgCl2 center dot 6H(2)O in MgCl2 center dot 6H(2)O-NH4Cl-KCl system was proposed and discussed. The formation of NH4Cl center dot MgCl2 center dot nH(2)O (6 > n >= 0) below 300 degrees C can effectively suppress hydrolysis. The anhydrous KMgCl3 formed above 400 degrees C is more stable than anhydrous MgCl2 at elevated temperature, which can effectively protect the dehydration product from hydrolyzing at high temperature. The content of MgO in anhydrous MgCl2 was 0.02 wt.% when dehydrating MgCl2 center dot 6H(2)O in MgCl2 center dot 6H(2)O-KCl-NH4Cl system with the molar ratio of MgCl2 center dot 6H(2)O:KCl:NH4Cl was 1:2.87:1. (C) 2014 Elsevier B.V. All rights reserved.; The dehydration of MgCl2 center dot 6H(2)O in MgCl2 center dot 6H(2)O-NH4Cl-KCl system was investigated. The dehydration process was characterized by X-ray diffraction and chemical analysis. The dehydration effects of MgCl2 center dot 6H(2)O in different systems were compared. The dehydration mechanism of MgCl2 center dot 6H(2)O in MgCl2 center dot 6H(2)O-NH4Cl-KCl system was proposed and discussed. The formation of NH4Cl center dot MgCl2 center dot nH(2)O (6 > n >= 0) below 300 degrees C can effectively suppress hydrolysis. The anhydrous KMgCl3 formed above 400 degrees C is more stable than anhydrous MgCl2 at elevated temperature, which can effectively protect the dehydration product from hydrolyzing at high temperature. The content of MgO in anhydrous MgCl2 was 0.02 wt.% when dehydrating MgCl2 center dot 6H(2)O in MgCl2 center dot 6H(2)O-KCl-NH4Cl system with the molar ratio of MgCl2 center dot 6H(2)O:KCl:NH4Cl was 1:2.87:1. (C) 2014 Elsevier B.V. All rights reserved. |
| 关键词 | Dehydration Magnesium Chloride Hexahydrate Hydrolysis Anhydrous Magnesium Chloride |
| 文章类型 | Article |
| WOS标题词 | Science & Technology ; Physical Sciences ; Technology |
| DOI | 10.1016/j.jaap.2014.09.009 |
| URL | 查看原文 |
| 收录类别 | SCI |
| 语种 | 英语 |
| 关键词[WOS] | ANHYDROUS MAGNESIUM-CHLORIDE ; THERMAL-DECOMPOSITION ; HEXAHYDRATE ; KINETICS |
| WOS研究方向 | Chemistry ; Spectroscopy |
| WOS类目 | Chemistry, Analytical ; Spectroscopy |
| WOS记录号 | WOS:000347496800029 |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.ipe.ac.cn/handle/122111/11897 |
| 专题 | 研究所（批量导入） |
| 作者单位 | 1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China 2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China 3.United Res Ctr Resource & Mat, Wuhai 016000, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhang, Zhimin,Lu, Xuchen,Wang, Tizhuang,et al. The dehydration of MgCl2 center dot 6H(2)O in MgCl2 center dot 6H(2)O-KCl-NH4Cl system[J]. JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS,2014,110(NOV.):248-253. |
| APA | Zhang, Zhimin,Lu, Xuchen,Wang, Tizhuang,Yan, Yan,&Pan, Feng.(2014).The dehydration of MgCl2 center dot 6H(2)O in MgCl2 center dot 6H(2)O-KCl-NH4Cl system.JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS,110(NOV.),248-253. |
| MLA | Zhang, Zhimin,et al."The dehydration of MgCl2 center dot 6H(2)O in MgCl2 center dot 6H(2)O-KCl-NH4Cl system".JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS 110.NOV.(2014):248-253. |
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| The dehydration of M（1062KB） | 期刊论文 | 出版稿 | 开放获取 | CC BY-NC-ND | 浏览 请求全文 | |
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