Comparative experimental study on reactive crystallization of Ni(OH)(2) in an airlift-loop reactor and a stirred reactor
Cao, Tianrong1,3; Zhang, Weipeng1,2; Cheng, Jingcai1; Yang, Chao1,3
2018
发表期刊CHINESE JOURNAL OF CHEMICAL ENGINEERING
ISSN1004-9541
卷号26期号:1页码:196-206
摘要The objective of this work is to study the reactive crystallization in an airlift-loop reactor (ALR) using the precipitation of Ni(OH)(2) as a model reaction. The growth of Ni(OH)(2) particles in an ALR and a stirred tank was quantified by scanning electronic microscope (SEM), X-ray diffraction (XRD), laser particle analyzer, tap densitometer and optical microscope, and the growth process of Ni(OH)(2) particles is analyzed. It is found that the Ni(OH)(2) particles prepared in an ALR have a better sphericity than those in a stirred tank and the growth of Ni(OH)(2) particle tap density mainly depends on the size of crystallites: the bigger the size of crystallites, the bigger the tap density is. Based on these, the growth process of Ni(OH)(2) particles in ALR is elaborated. Crystallites precipitated from solution aggregate to form large particles with much void. These constituting crystallites continue to grow up, that takes up the void inside particles and makes the tap density increase. (C) 2017 The Chemical Industry and Engineering Society of China, and Chemical Industry Press. All rights reserved.
关键词Reactive Crystallization Airlift-loop Reactor Nickel Hydroxide Aggregation
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1016/j.cjche.2017.03.007
收录类别SCI
语种英语
关键词[WOS]NONSPHERICAL NI(OH)(2) ; BETA-NI(OH)(2) ; PERSPECTIVE ; FABRICATION ; ATTRITION ; BATTERIES ; GROWTH
WOS研究方向Engineering
WOS类目Engineering, Chemical
项目资助者National Key Research and Development Program(2016YFB0301701) ; National Natural Science Foundation of China(21406236 ; Major National Scientific Instrument Development Project(21427814) ; Jiangsu National Synergetic Innovation Center for Advanced Materials ; 91434126)
WOS记录号WOS:000426042000024
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/24013
专题湿法冶金清洁生产技术国家工程实验室
作者单位1.Chinese Acad Sci, Inst Proc Engn, Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
2.Nanjing Jiuzhang Chem Technol Co Ltd, Nanjing 21180, Jiangsu, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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Cao, Tianrong,Zhang, Weipeng,Cheng, Jingcai,et al. Comparative experimental study on reactive crystallization of Ni(OH)(2) in an airlift-loop reactor and a stirred reactor[J]. CHINESE JOURNAL OF CHEMICAL ENGINEERING,2018,26(1):196-206.
APA Cao, Tianrong,Zhang, Weipeng,Cheng, Jingcai,&Yang, Chao.(2018).Comparative experimental study on reactive crystallization of Ni(OH)(2) in an airlift-loop reactor and a stirred reactor.CHINESE JOURNAL OF CHEMICAL ENGINEERING,26(1),196-206.
MLA Cao, Tianrong,et al."Comparative experimental study on reactive crystallization of Ni(OH)(2) in an airlift-loop reactor and a stirred reactor".CHINESE JOURNAL OF CHEMICAL ENGINEERING 26.1(2018):196-206.
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