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- W3120421525 abstract "Preparation of activated carbon from corn stover by chemical activation at various carbonization temperatures and catalyst reagents. Potassium hydroxide (KOH), zinc chloride (ZnCl₂), and phosphoric acid (H₃PO₄) were used as catalyst reagents with three different impregnation ratios (1:0, 1:1, 1:3). The chemical activation was performed using bed type reactors, the activation was carried out for 1 h under nitrogen atmosphere. The influence of carbonization temperatures and catalyst reagents on the structure of activated carbons were investigated. For determination of physical and chemical properties of the obtained activated carbons, the elemental analysis was applied to determine the elemental composition (C, H, N, O), surface structure of activated carbons was conducted by scanning electron microscopy (SEM) and Brunauer-Emmett Teller (BET) was applied to characterized the surface area. It was found that the maximum surface areas of corn stover activated carbons were obtained at the carbonization temperature of 700 °C for both ZnCl₂ and H₃PO₄. Meanwhile, it was found that the maximum surface area of corn stover activated carbon produced by using KOH at 800 °C shown a high surface area of 2370 m² g<SUP>-1</SUP>. The results have shown that the surface area was greatly influenced by the catalyst reagent ratios and carbonization temperatures." @default.
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- W3120421525 date "2020-12-31" @default.
- W3120421525 modified "2023-09-25" @default.
- W3120421525 title "Physicochemical Properties of Activated Carbon Produced From Corn Stover by Chemical Activation Under Various Catalysts and Temperatures" @default.
- W3120421525 doi "https://doi.org/10.37581/kfb.2020.12.30.2.8" @default.
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