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- W4285992891 abstract "Abstract In this work, we used waste Styrofoam as a precursor to synthesize a hypercrosslinked polymeric (HCP) adsorbent for CO 2 adsorption utilizing the Friedel–Craft procedure. The hypercrosslinked adsorbent was designed using formaldehyde dimethyl acetal (FDA) as the crosslinker. The precursor to crosslinker to catalyst ratio was 1:3:3, and the HCP synthesis was carried out for 12 h at 312.6 K. Fourier‐transform infrared spectroscopy, field emission scanning electron microscopy, and thermogravimetric analysis were used to analyze the waste Styrofoam hypercrosslinked (WSHC) adsorbent. The adsorbent attained an 802.84 m 2 /g Brunauer–Emmett–Teller (BET) surface area and an average pore diameter of 2.869 m 3 /g. The CO 2 adsorption process was studied under different operating conditions, temperature between 298 and 328 K and pressure between 2 and 10 bar. WSHC adsorbent has the maximum CO 2 uptake with a value of 11.053 mmol/g at 298 K and 10 bar. The behavior of the adsorption process was investigated using isotherm, kinetic, and thermodynamic models. Experimental findings indicated that the Sips isotherm and the second‐order kinetic models provided the best fit. The isotherm data indicated that adsorption occurs in multi‐layers and is heterogeneous. According to the thermodynamic characteristics, the process is exothermic and spontaneous. Finally, the kinetic findings established that the process happened physically. Additionally, a regeneration study after seven cycles revealed a 96.1% success rate. The current research may attempt to use waste Styrofoam as a gas separation adsorbent in the industry." @default.
- W4285992891 created "2022-07-21" @default.
- W4285992891 creator A5053873743 @default.
- W4285992891 creator A5071414031 @default.
- W4285992891 creator A5088904782 @default.
- W4285992891 date "2022-07-30" @default.
- W4285992891 modified "2023-10-16" @default.
- W4285992891 title "Synthesis and characterization of waste Styrofoam hypercrosslinked polymer as an adsorbent for <scp>CO<sub>2</sub></scp> capture" @default.
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- W4285992891 doi "https://doi.org/10.1002/ep.13954" @default.
- W4285992891 hasPublicationYear "2022" @default.
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