Non-ionic deep eutectic solvents for membrane formation

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Ismail, Norafiqah and Pan, Jun and Rahmati, Mahmoud and Wang, Qian and Bouyer, Denis and Khayet Souhaimi, Mohamed and Cui, Zhaoliang and Tavajohi, Naser (2022) Non-ionic deep eutectic solvents for membrane formation. Journal of membrane science, 646 . ISSN 0376-7388

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Official URL: https://doi.org/10.1016/j.memsci.2021.120238




Abstract

Deep eutectic solvents (DES) have recently emerged as a new class of inexpensive biodegradable solvents and additives with diverse applications. In this study, a new family of non-ionic deep eutectic solvents (NIDES) is proposed for the first time for membrane preparation. Three types of NIDES, N-methylacetamide-acetamide (DES-1), N-methyl acetamide-N-methyl urea (DES-2), and N-methyl acetamide-N,N & PRIME;-dimethyl urea (DES-3) were synthesized and used to dissolve polyvinylidene fluoride (PVDF) polymer. The effects of the additive polyvinylpyrrolidone (PVP) and the type of NIDES on the PVDF membrane characteristics, water permeability and bovine serum albumin (BSA) separation were studied. The membranes prepared with DES-1 and 2 wt% PVP exhibited a good water permeate flux (96.82 L/m(2).h) and a high BSA separation factor (96.32%). High performance PVDF membranes can thus be efficiently prepared using biodegradable inexpensive NIDES.


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The authors would like to express their appreciation for the financial support of Kempestiftelserna (SMK-1850) and Bio4energy program (B4E3-TM-1-01). The authors would like to express their appreciation for the financial support of the National Natural Science Foundation of China (22078146), the Natural Science Foundation of Jiangsu Province (BK20200091), the Jiangsu Province Department of Human Resources and Social Security (JNHB-036), the Materials-Oriented Chemical Engineering State Key Laboratory Program (KL19-04) and the Priority Academic Program Development of Jiangsu Higher Education Institution (PAPD).

Uncontrolled Keywords:Induced phase-separation; Hollow-fiber membrane; Poly(vinylidene fluoride) membranes; Waste-water treatment; Ultrafiltration uf membrane; Microporous membrane; Pvdf membranes; Polyvinylidene fluoride; Tips method; Crystallization kinetics
Subjects:Sciences > Physics > Thermodynamics
ID Code:73489
Deposited On:07 Jul 2022 09:11
Last Modified:07 Jul 2022 09:19

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