Performance evaluation of a synthesized and characterized Pebax1657/PEG1000/γ-Al2O3 membrane for CO2/CH4 separation using response surface methodology
作者： Hamid Reza Mahdavi , Navid Azizi , Toraj Mohammadi
DOI: 10.1007/S10965-017-1228-1
关键词: Polyethylene glycol 、 Nanoparticle 、 Nanocomposite 、 Composite material 、 Central composite design 、 Permeation 、 Materials science 、 Membrane 、 Response surface methodology 、 Polymer 、 Chemical engineering
摘要: In this work, the response surface methodology (RSM) based on central composite design (CCD) was used to examine effects of different gamma alumina (γ-Al2O3) loadings (0 8 wt.%) and various polyethylene glycol 1000 (PEG1000) contents 40 as parameters membrane preparation. Accordingly, pure carbon dioxide (CO2) methane (CH4) gasses permeability ideal CO2/CH4 selectivity values were considered responses. Poly (ether block amide) 1657 (Pebax1657) base polymer matrix for membranes fabrication. The neat Pebax1657 prepared via solution casting-solvent evaporation method other blending technique. Analysis variance (ANOVA) analyze experiments statistically results indicated that optimized amounts γ-Al2O3 nanoparticles PEG1000 in order enhance both CO2 wt.% 10 wt.%, respectively. Additionally, a comparison between separation performance membrane, nanocomposite with optimum amount nanoparticles, blended PEG1000, presented. obtained gas permeation showed exhibits highest compared Pebax membrane.
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