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On-line Access: 2014-07-08

Received: 2014-02-23

Revision Accepted: 2014-05-08

Crosschecked: 2014-06-24

Cited: 3

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Journal of Zhejiang University SCIENCE A 2014 Vol.15 No.7 P.540-546

http://doi.org/10.1631/jzus.A1400055


Mass transfer and reaction kinetics of sulfuryl fluoide absorption with aqueous sodium hydroxide solutions*


Author(s):  Yong Nie1, Xiao-jiang Liang1, Mei-zhen Lu1, Feng-wen Yu1, Da-yong Gu2, Min Min3, Jian-bing Ji1

Affiliation(s):  1. College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China; more

Corresponding email(s):   ny_zjut@zjut.edu.cn

Key Words:  Sulfuryl fluoride, Sodium hydroxide, Mass transfer, Reaction kinetics, Absorption, Double-stirred cell


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Yong Nie, Xiao-jiang Liang, Mei-zhen Lu, Feng-wen Yu, Da-yong Gu, Min Min, Jian-bing Ji. Mass transfer and reaction kinetics of sulfuryl fluoride absorption with aqueous sodium hydroxide solutions[J]. Journal of Zhejiang University Science A, 2014, 15(7): 540-546.

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author="Yong Nie, Xiao-jiang Liang, Mei-zhen Lu, Feng-wen Yu, Da-yong Gu, Min Min, Jian-bing Ji",
journal="Journal of Zhejiang University Science A",
volume="15",
number="7",
pages="540-546",
year="2014",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.A1400055"
}

%0 Journal Article
%T Mass transfer and reaction kinetics of sulfuryl fluoride absorption with aqueous sodium hydroxide solutions
%A Yong Nie
%A Xiao-jiang Liang
%A Mei-zhen Lu
%A Feng-wen Yu
%A Da-yong Gu
%A Min Min
%A Jian-bing Ji
%J Journal of Zhejiang University SCIENCE A
%V 15
%N 7
%P 540-546
%@ 1673-565X
%D 2014
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A1400055

TY - JOUR
T1 - Mass transfer and reaction kinetics of sulfuryl fluoride absorption with aqueous sodium hydroxide solutions
A1 - Yong Nie
A1 - Xiao-jiang Liang
A1 - Mei-zhen Lu
A1 - Feng-wen Yu
A1 - Da-yong Gu
A1 - Min Min
A1 - Jian-bing Ji
J0 - Journal of Zhejiang University Science A
VL - 15
IS - 7
SP - 540
EP - 546
%@ 1673-565X
Y1 - 2014
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.A1400055


Abstract: 
The mass transfer and reaction kinetics of sulfuryl fluoride (SO2F2) absorption with aqueous sodium hydroxide (NaOH) solutions were studied in an experimental double-stirred cell. Results showed that SO2F2 absorption with NaOH was followed by a reaction model employing a fast pseudo-first-order. The second-order rate constant for SO2F2 absorption with aqueous NaOH solutions was determined to be 1.44 m3/(mol·s) at 298 K. Three models were used in this chemical absorption process, and in each case, the same expression of enhancement factor was obtained. A comparison was made between the experimental enhancement factor and the value calculated from the model, and the maximum relative deviation was less than 4.2%. The proposed model expression gave a reasonable fit with the experimental values, indicating that mass transfer correlations are valid for scaling up design.

氢氧化钠溶液吸收硫酰氟的传质反应动力学


研究目的:确定氢氧化钠溶液化学吸收硫酰氟的传质反应动力学区域,建立增强因子模型。
研究方法:研究气液传质测定设备双搅拌釜中氢氧化钠溶液化学吸收硫酰氟的过程,并结合实验研究与理论分析建立了增强因子模型。
重要结论:基于氢氧化钠溶液化学吸收硫酰氟过程的实验研究,确定了氢氧化钠溶液化学吸收硫酰氟的传质反应动力学区域为快速拟一级反应。得到了298K下其二级反应速率常数为1.44 m3/(mol·s),并建立了增强因子模型E=68.08CBL1/2,为脱除熏蒸后残留硫酰氟的工业化应用提供了理论依据。

关键词:硫酰氟;氢氧化钠;传质;反应动力学;化学吸收;双搅拌釜

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

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