Lipid extraction and CO2 capture with switchable polarity solvent

被引：2

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.

引用

页数：7

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