Performance evaluation of phosphonium based deep eutectic solvents coated cerium oxide nanoparticles for CO2 capture

被引:17
作者
Ahmad, Tausif [1 ]
Iqbal, Jibran [2 ]
Bustam, Mohamad Azmi [3 ]
Babar, Muhammad [1 ]
Tahir, Muhammad Bilal [4 ]
Sagir, Muhammad [1 ]
Irfan, Muhammad [5 ]
Asghar, Hafiz Muhammad Anwaar [6 ]
Hassan, Afaq [1 ]
Riaz, Asim [1 ]
Chuah, Lai Fatt [7 ]
Bokhari, Awais [8 ]
Mubashir, Muhammad [9 ]
Show, Pau Loke [10 ,11 ,12 ,13 ]
机构
[1] Khwaja Fareed Univ Engn & Informat Technol, Inst Chem & Environm Engn, Rahimyar Khan 64200, Pakistan
[2] Zayed Univ, Coll Nat & Hlth Sci, POB 144534, Abu Dhabi, U Arab Emirates
[3] Univ Teknol PETRONAS, Chem Engn Dept, Seri Iskandar, Malaysia
[4] Khwaja Fareed Univ Engn & Informat Technol, Inst Phys, Rahimyar Khan 64200, Pakistan
[5] Pakistan Council Sci & Ind Res PCSIR, Lahore, Pakistan
[6] Univ Punjab, Inst Chem Engn & Technol, Lahore, Pakistan
[7] Univ Malaysia Terengganu, Fac Maritime Studies, Terengganu, Malaysia
[8] COMSATS Univ Islamabad, Dept Chem Engn, Lahore Campus, Lahore 54000, Pakistan
[9] Asia Pacific Univ Technol & Innovat, Sch Engn, Dept Petr Engn, Kuala Lumpur 57000, Malaysia
[10] Wenzhou Univ, Zhejiang Prov Key Lab Subtrop Water Environm & Mar, Wenzhou 325035, Peoples R China
[11] Khalifa Univ, Dept Chem Engn, Shakhbout Bin Sultan St Zone 1, Abu Dhabi, U Arab Emirates
[12] Univ Nottingham Malaysia, Fac Sci & Engn, Dept Chem & Environm Engn, Jalan Broga, Semenyih 43500, Selangor Darul, Malaysia
[13] SIMATS, Saveetha Sch Engn, Dept Sustainable Engn, Chennai 602105, India
关键词
Hydrogen bond acceptor; Hydrogen bond donor; Cerium oxide nanoparticles; Deep eutectic solvents; CO; 2; adsorption; METAL-ORGANIC FRAMEWORKS; RUBBER SEED OIL; NATURAL-GAS; ADSORPTION; REMOVAL; FUNCTIONALIZATION; TEMPERATURE; DESS;
D O I
10.1016/j.envres.2023.115314
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
The critical challenge being faced by our current modern society on a global scale is to reduce the surging effects of climate change and global warming, being caused by anthropogenic emissions of CO2 in the environment. Present study reports the surface driven adsorption potential of deep eutectic solvents (DESs) surface func-tionalized cerium oxide nanoparticles (CeNPs) for low pressure CO2 separation. The phosphonium based DESs were prepared using tetra butyl phosphoniumbromide as hydrogen bond acceptor (HBA) and 6 acids as hydrogen bond donors (HBDs). The as-developed DESs were characterized and employed for the surface functionalization of CeNPs with their subsequent utilization in adsorption-based CO2 adsorption. The synthesis of as-prepared DESs was confirmed through FTIR measurements and absence of precipitates, revealed through visual obser-vations. It was found that DES6 surface functionalized CeNPs demonstrated 27% higher adsorption performance for CO2 capturing. On the contrary, DES3 coated CeNPs exhibited the least adsorption progress for CO2 sepa-ration. The higher adsorption performance associated with DES6 coated CeNPs was due to enhanced surface affinity with CO2 molecules that must have facilitated the mass transport characteristics and resulted an enhancement in CO2 adsorption performance. Carboxylic groups could have generated an electric field inside the pores to attract more polarizable adsorbates including CO2, are responsible for the relatively high values of CO2 adsorption. The quadruple movement of the CO2 molecules with the electron-deficient and pluralizable nature led to the enhancement of the interactive forces between the CO2 molecules and the CeNPs decorated with the carboxylic group hydrogen bond donor rich DES. The current findings may disclose the new research horizons and theoretical guidance for reduction in the environmental effects associated with uncontrolled CO2 emission via employing DES surface coated potential CeNPs.
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页数:13
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