Synthesis of functional ionic liquid and its extraction properties
TU Sheng-hui1,2, ZHANG Chao1,2, ZHANG Zhi-wen1
1. School of Resources Environmental and Chemical Engineering, Nanchang University, Nanchang 330031, China; 2. Key Laboratory of the Ministry of Education for Environment and Resource Utilization in Poyang Lake, Nanchang 330047, China
Abstract: 1-Vinyl-3-butylimidazole tetrafluoroborate[BVIM] [BF4] is synthesized by a two-step synthesis method with 1-vinylimidazole,N-butyl bromide and sodium tetrafluoroborate as raw materials,and characterized by FT-IR and 1HNMR.The effects of three extraction systems including[BVIM] [BF4],[BVIM] [BF4]-dithizone,dithizone-chloroform respectively in extracting Pb2+ and Cd2+ in wastewater are studied.The result indicates that the[BVIM] [BF4]-dithizone system can generate the best extraction effect under optimum conditions.The influences of temperature,pH,extraction time and initial ion concentration on the efficiency in using the[BVIM] [BF4]-dithizone system to extract Pb2+ and Cd2+ from wastewater are investigated.The extraction efficiencies of Pb2+ and Cd2+ in wastewater are 94% and 83% respectively by using[BVIM] [BF4]-dithizone.
涂盛辉, 张超, 张志文. 功能化离子液体的合成与萃取性能研究[J]. 现代化工, 2019, 39(4): 103-107.
TU Sheng-hui, ZHANG Chao, ZHANG Zhi-wen. Synthesis of functional ionic liquid and its extraction properties. Modern Chemical Industry, 2019, 39(4): 103-107.
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