Lipid extraction and CO2 capture with switchable polarity solvent

被引：0
|
作者：
Wu, Kejing [1 ]
Tao, Chuandong [2 ]
Zeng, Shanjin [2 ]
Liu, Yingying [1 ]
Liang, Bin [2 ]
Lu, Houfang [2 ]
机构：
[1] Sichuan Univ, Inst New Energy & Low Carbon Technol, Chengdu 610207, Peoples R China
[2] Sichuan Univ, Sch Chem Engn, Chengdu 610065, Peoples R China
来源：
CARBON RESOURCES CONVERSION | 2024年 / 7卷 / 01期
关键词：
Switchable polarity solvent; N-dimethylcyclohexylamine; Lipid extraction; CO; 2; capture; Kinetic models; HYDROPHILICITY SOLVENTS; AQUEOUS-SOLUTIONS; MASS-TRANSFER; ABSORPTION; OIL; PERFORMANCE;
D O I：
10.1016/j.crcon.2023.05.005
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
In this study, lipid extraction and CO2 capture are combined using N, N-dimethylcyclohexylamine (DMCHA) as switchable polarity solvent. The effects of operation parameters are discussed according to the CO2 absorption/ desorption and lipid/DMCHA recovery results. A triphasic models considering lipid, water, and gas phases are established to analyze the kinetic behaviors. The results show that DMCHA is reversible through CO2 absorption/ desorption, and the enhanced dispersion of droplets and bubbles in water phase improves the lipid/DMCHA recovery and CO2 absorption/desorption. The triphasic kinetic models fit well with experimental data, and gas-liquid mass transfer is regarded as the rate-determining step. The lower interfacial areas result in the poorer gas-liquid mass transfer for the DMCHA recovery than lipid recovery process.
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页数：7
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