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Polymer-Based Monolithic Porous Composite

Authorized Users Only
2016
Authors
Nastasović, Aleksandra
Novaković, Tatjana
Vuković, Zorica
Ekmeščić, Bojana
Ranđelović, Danijela
Maksin, Danijela
Miladinović, Zoran P.
Conference object (Published version)
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Abstract
Porous monolithic glycidyl methacrylate (GMA) and ethylene glycol dimethacrylate (EGDMA) copolymer [PGME] and three composite samples with alumina (PGME/alumina) were synthesized by radical copolymerization in a cast and functionalized by reaction of diethylene triamine (deta) with epoxy groups in GMA. All the samples were characterized using FTIR-ATR spectroscopy, SEM, AFM, solid state NMR, thermogravimetry and mercury porosimetry. Additionally, amino functionalized PGME/alumina with the highest alumina content (PGME/alumina50-deta) was loaded with chromium [Cr(VI)] ions. Kinetics of Cr (VI) sorption was investigated in batch static experiments, at 298 K and pH = 2, for various initial concentrations (Ci = 0.5, 1.5 and 2.5 mM) and analyzed using three kinetic models. Cr(VI) sorption by PGME/alumina50-deta obeys the PSO kinetic model, while IPD model suggests some degree of intraparticle pore diffusion control.
Keywords:
Monolith / Glycidyl methacrylate / Chromium sorption / Kinetic modeling
Source:
Proceedings of the III Advanced Ceramics and Applications Conference, 2016, 241-257
Publisher:
  • Paris : Atlantis Press
Projects:
  • Development of embedded systems with connected services and digital technology (RS-44009)
  • Micro- Nanosystems and Sensors for Electric Power and Process Industry and Environmental Protection (RS-32008)
  • Geopolymers - technology for converting the industrial waste into functional materials (RS-34026)
  • Nanostructured Functional and Composite Materials in Catalytic and Sorption Processes (RS-45001)
  • Dynamics of nonlinear physicochemical and biochemical systems with modeling and predicting of their behavior under nonequilibrium conditions (RS-172015)

DOI: 10.2991/978-94-6239-157-4_17

ISBN: 978-94-6239-156-7

ISSN: 978-94-6239-157-4

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URI
http://cer.ihtm.bg.ac.rs/handle/123456789/3407
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