Chinese Journal of Applied Chemistry ›› 2023, Vol. 40 ›› Issue (4): 554-561.DOI: 10.19894/j.issn.1000-0518.220302
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Fei-Yue CHEN1,2, Zhen-Ning SU2, Quan-Zhong CHENG2, Bo-Ren TAN2, Zhi-Yong LI3, Xiao-Hua YU1(), Yong WANG2()
Received:
2022-09-08
Accepted:
2023-02-07
Published:
2023-04-01
Online:
2023-04-17
Contact:
Xiao-Hua YU,Yong WANG
About author:
wangyong@ipe.ac.cnSupported by:
CLC Number:
Fei-Yue CHEN, Zhen-Ning SU, Quan-Zhong CHENG, Bo-Ren TAN, Zhi-Yong LI, Xiao-Hua YU, Yong WANG. Study on Extraction Separation of N,N-Dimethylformamide with Chloroform[J]. Chinese Journal of Applied Chemistry, 2023, 40(4): 554-561.
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URL: http://yyhx.ciac.jl.cn/EN/10.19894/j.issn.1000-0518.220302
Fig.1 Schematic diagram of experimental system of the pulsed disc and doughnut columnNote: 1.Active segment; 2.Settler segment; 3.Magnetic drive pump; 4.Rotameter; 5.Electric motor; 6.Cylinder
Physical property | Chloroform | Feed liquid |
---|---|---|
Density/(g·cm-3) | 1.4 | 1.04 |
Dynamic viscosity/(mPa·s) | 0.563 | 3.27 |
Interfacial tension/(mN·m-1) | 5.28 |
Table 1 Physical properties of the system
Physical property | Chloroform | Feed liquid |
---|---|---|
Density/(g·cm-3) | 1.4 | 1.04 |
Dynamic viscosity/(mPa·s) | 0.563 | 3.27 |
Interfacial tension/(mN·m-1) | 5.28 |
Fig.3 Effect of the phase ratio on the extraction efficiency of DMFNote: A.Effect of the phase ratio on the mass fraction of DMF in raffinate; B. Effect of the phase ratio on the extraction rate of DMF
Fig.4 Effect of the flow rate on the extraction efficiency of DMF(O/A=2)Note: A.Effect of the flow rate on the mass fraction of DMF in raffinate; B. Effect of the flow rate on the extraction rate of DMF
Fig.7 Variation of mass fraction of distillate composition and temperature with time in distillation columnNote: A. Variation of mass fraction; B. Variation of temperature
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