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[1]周玉新,潘琴,朱华娟,等.工业季戊四醇结晶成长速度[J].武汉工程大学学报,2012,(8):15-18.[doi:103969/jissn16742869201208004]
　ZHOU Yu xin,PAN Qin,ZHU Hua juan,et al.Crystal growth rate of industrial pentaerythritol[J].Journal of Wuhan Institute of Technology,2012,(8):15-18.[doi:103969/jissn16742869201208004]
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工业季戊四醇结晶成长速度(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
期数:
2012年8期
页码:
15-18
栏目:
化学与化学工程
出版日期:
2012-09-10

文章信息/Info

Title:
Crystal growth rate of industrial pentaerythritol
文章编号:
16742869(2012)08001504
作者:
周玉新; 潘琴; 朱华娟; 徐谦; 郭嘉
武汉工程大学化工与制药学院，绿色化工过程省部共建教育部重点实验室，湖北 武汉 430074
Author(s):
ZHOU Yuxin;  PAN Qin;  ZHU Huajuan;  XU Qian;  GUO Jia
Key Laboratory of Green Chemical Process of Ministry of Education, Wuhan Institute of Technology, Wuhan 430074,China
关键词:
工业季戊四醇; 结晶; 撞击流结晶器; 结晶成长速度
Keywords:
industrial pentaerythritol;  crystallization;  impinging steam crystallize ;  crystal growth rate
分类号:
TQ013.2
DOI:
103969/jissn16742869201208004
文献标志码:
A
摘要:
针对传统流化床结晶器中工业季戊四醇结晶成长速度低及产品质量和产率不稳定的问题，在新型撞击流结晶器中开展了工业季戊四醇结晶成长速度的研究实验，采用阿伦尼乌斯公式拟合了结晶器中结晶成长速度系数同温度之间的关系，将撞击流结晶器和传统流化床结晶器中工业季戊四醇结晶成长速度进行了对比.研究结果表明：撞击流结晶器中结晶成长速度系数高于流化床中结晶成长速度系数；撞击流结晶器和流化床结晶器中的结晶成长速度系数都随温度的升高而增大；实验结果支持撞击流中强烈的微观混合和压力波动促进结晶成长动力学过程的理论推测.
Abstract:
To solve the problem of the industrialgrade pentaerythritol produced in the traditional FluidizedBed Crystallizer (FBC) with a low crystal growth rate speed and unstable quality and yield, the crystal growth experiments were conducted in an impinging stream crystallizer (ISC). The relationships between the crystal growth rate coefficients in the crystallizers with the temperatures were fitted by Arrhenius equation. The results of the crystal growth rate by an impinging stream crystallizer were compared with those by a fluidizedbed crystallizer. The results show that the crystal growth rate coefficients in ISC are greater than those in FBC, and the crystal growth rate coefficients increase with the increase of temperature for both ISC and FBC. The experimental results also verify the theoretical speculation that the strong micromixing and the pressure fluctuation in the impinging streams crystallizer promote crystal growth kinetics.

参考文献/References:

［1］蒋皎梅. 循环冷却水中碳酸钙结垢介稳区的初步研究\[D\]. 南京：南京工业大学理学院, 2004.
［2］周玉新, 朱华娟, 李哲伦,等. 撞击流反应制备纳米磷酸锌改进工艺研究\[J\]. 武汉理工大学学报, 2008, 30（9）: 6467.
［3］丁绪怀. 工业结晶\[M\]. 北京: 化学工业出版社:1985.
［4］Botsaris G D. Secondary nucleationa review \[M\]. New York:Industrial Crystallization, Plenum Press:1976.

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备注/Memo

备注/Memo:
收稿日期：20120517作者简介：周玉新（1957），男，湖北武汉人，教授，硕士研究生导师.研究方向：新型反应器与纳米材料.
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