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    Activated Carbon Derived from Pyrolyzed Pinewood Char using Elevated Temperature, KOH, H3PO4, and H2O2.

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    Date
    2016-10-26
    Author
    Luo, Yan
    Street, Jason T.
    Steele, Philip H.
    Entsminger, Edward D.
    Guda, Vamshi K.
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    Abstract
    Activated carbon was prepared from pyrolyzed pinewood char using KOH, H3PO4, H2O2, and heat-only treatments. Activated carbon prepared by the heat-only treatment had a total surface area of 233.2 m2/g, a total pore volume of 0.138 cm3/g, a microporous surface area of 129.9 m2/g, and a microporous volume of 0.07 cm3/g. The most significant improvement of pore properties for the chemically treated pinewood char was obtained by the KOH treatment, which produced a total surface area of 1124.4 m2/g, a total pore volume of 0.723 cm3/g, a microporous surface area of 923.6 m2/g, and a microporous volume of 0.485 cm3/g. After the H3PO4 treatment, pinewood char had a total surface area of 455.5 m2/g, a total pore volume of 0.251 cm3/g, a microporous surface area of 393.3 m2/g, and a microporous volume of 0.211 cm3/g. The least significant improvement was obtained from the H2O2 treatment, which produced a total surface area of 363.0 m2/g, a total pore volume of 0.202 cm3/g, a microporous surface area of 271.5 m2/g, and a microporous volume of 0.141 cm3/g. Transmission electron microscopy (TEM), thermogravimetric analysis (TGA), and Fourier transform infrared spectroscopy (FTIR) were performed to compare separate treatment stabilities and functional group properties.
    URI
    https://bioresources.cnr.ncsu.edu/wp-content/uploads/2016/11/BioRes_11_4_10433_Luo_SSEG_Activated_C_Pyrolyzed_Pine_Char_Elevated_Temp_10390.pdf
    http://hdl.handle.net/11668/14191
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    Mississippi State University Libraries

       395 Hardy Rd
       P.O. Box 5408, Mississippi State, MS 39762-5408
       (662) 325-7668
       (662) 325-0011
       (662) 325-8183

    Contact repository admin | Report a problem

    Terms of Use
    Privacy Policy
    MSU Legal