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최미영,정건용 한국막학회 2012 멤브레인 Vol.22 No.4
본 연구는 이산화탄소를 효율적으로 분리하기 위한 이온성액체 지지분리막 제조를 목적으로 한다. 공칭크기 0.1 mum PVDF 정밀여과막에 이온성액체인 [bmim][PF6] (1-butyl-3-methylimidazolium hexafluorophosphate)를 분리막 세공내로 흡입시켜 고정화하였다. 제조된 이온성액체 지지막에 대한 N2, H2, CO2 기체의 투과도는 0.075, 0.203, 1.380 GPU로 측정되었으며 CO2/N2, H2/N2의 선택도는 각각 14.2와 2.69이었다. 또한 이온성액체 지지분리막은 이온성 액체가 운전압력 2.0 bar까지 세공 내에 고정되어 안정적으로 운전 가능하였다. The study is aiming to prepare supported ionic liquid membranes for carbon dioxide separation efficiently. The ionic liquid, [bmim][PF6] (1-butyl-3-methyl-imidazolium hexafluorophosphate) was fixed in the pores of PVDF micro-filtration membrane with a nominal pore size 0.1 mum. The permeabilities of N_2, H2 and CO2 gases through the prepared ionic liquid membrane were 0.075, 0.203 and 1.380 GPU, respectively. The selectivities of CO2/N2, H2/N2 were 14.2 and 2.69, respectively. Also, the supported ionic liquid membrane could be operated stably up to 2.0 bar with the immobilization of ionic liquid in the pores.
( Kannan Karunakaran ),( A. G. Ramu ),문일식 한국공업화학회 2016 한국공업화학회 연구논문 초록집 Vol.2016 No.0
The electrochemical redox behavior in RTIL is emerging field to understand how ionic liquid behave on the mediator? Though, many metal complexes such as Ni(Salen), Co(Salen), Ni(byp) have been widely investigated in the RTIL their solubility restricts to use in industrial applications. Cyanide ligand with metalation is a simple and strongest especially higly soluble nature. Based on this idea we have investigated reduction behavior of [Ni(CN)4](2-) complex in the 1-butyl-3-methylimidazolium hexa fluoro phosphate ([bmim]PF6) RTIL at various electrode like Graphite, DSA, Ti. The effect of temperature, scan rate, and concentration of the Ni complex were analysed to derive electrochemical parameters towards industrial application.