POLYMERS AND POLYMER MATRIX COMPOSITES |
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Rapid Preparation of HKUST-1 in Water at Room Temperature and Its Adsorption on Reactive Blue 194 |
NA Liyan1, ZHANG Liying1, ZHANG Fengjie2, HUA Ruinian1
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1 College of Life Science, Dalian Minzu University, Dalian 116600, China; 2 College of Environment and Bioresources, Dalian Minzu University, Dalian 116600, China |
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Abstract Coordination polymer material HKUST-1 was synthesized rapidly specific at room temperature by mixing Cu(NO3)2 and ammonium salt of H3BTC in aqueous system. The phase composition, morphology and specific surface areas were characterized by powder XRD, SEM and N2 sorption. The results indicated that the HKUST-1 samples were phase-pure micro particles with BET surface areas of 1 246 m2·g-1. The adsorbent activities of the samples were evaluated for the removal of reactive blue 194 from waste water. The influences of adsorbent amount, pH va-lue, initial concentration, reaction time and regeneration of spent adsorbent were investigated. The results suggested that the as-synthesized HKUST-1 exhibited good adsorption property for reactive blue 194. The adsorption process could reach equilibrium in 60 min at room temperature and the removal rate was 95.7%. The adsorption isotherm model accorded with the Langmuir isotherm model and the kinetic analysis revealed that the adsorption process was well-matched with the pseudo-second-order model. The as-synthesized HKUST-1 material could be a promising adsorbent for dyes removal from waste water for its excellent performance, simple synthesis process and easy regeneration.
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Published: 15 January 2020
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About author:: Liyan Nareceived her Ph.D. degree in chemical technology from Dalian University of Technology in 2012. From April 2001 to December 2018, she worked at the College of Life Science in Dalian Minzu University as an associate professor. Her research focuses on preparation, characterization and application of metal-organic coordination polymers;Ruinian Huaobtained his Ph.D. degree in chemistry from Institute of Functional Material Chemistry, Nort-heast Normal University in 2003. Currently, he is a professor in Dalian Minzu University. His major research covers rare-earth doped nanomaterials, nanoquantum dots and coordination polymers. He has published over 70 papers in the international journals. |
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