TY - JOUR
T1 - Humidity adsorption characteristics of Moso bamboo charcoal oxidized at room temperature by HNO3
AU - Viet, Dang Duc
AU - Tsubota, Toshiki
AU - Shinogi, Yoshiyuki
N1 - Funding Information:
This work was supported by Vietnamese government scholarship. The authors greatly thank Dr. Pham Hung Cuong at Ito campus; Biotron Application center at Hakozaki campus; Ms. N. Wada and International Carbon Resources Training Center at Chikushi campus; Dr. M. Watanabe and Central Analysis center at Ito campus (Kyushu university), for their encouragements and supports on our work. The authors also thank Mr. Ogawa (Meisei university), Mr. Nguyen Duc Thanh (Kyoto university) for their help on comparing BET and FT-IR experiment results.
Publisher Copyright:
© 2020, Indian Academy of Wood Science.
PY - 2020/6/1
Y1 - 2020/6/1
N2 - The bamboo charcoals (BC) in various range pyrolysis (400–900 °C) were modified by HNO3, and then the samples were tested for water vapor adsorption. The adsorption experiments were conducted follows to Japanese industrial standard JIS A 1470-1-2002. The physical and chemical properties of the samples were studied by scanning electron microscope, Brunauer–Emmett–Teller surface area analysis, Fourier transform infrared spectroscopy and X-ray photoelectron spectroscopy.The humidity adsorption tests show that the modified BC samples with HNO3 at room temperature (about 22 °C) in pyrolysis temperature (400–500 °C) have a significant enhancement than the control one at lower relative humidity (< 60%). This characteristic is an advantageous application in conservation needs extremely low humidity. Specific surface area and total pore volume are supposed to play an important role for humidity adsorption at high relative humidity (> 60%). Whereas, at low relative humidity, surface functional groups on BC are a dominant factor compared to specific surface area on humidity adsorption.
AB - The bamboo charcoals (BC) in various range pyrolysis (400–900 °C) were modified by HNO3, and then the samples were tested for water vapor adsorption. The adsorption experiments were conducted follows to Japanese industrial standard JIS A 1470-1-2002. The physical and chemical properties of the samples were studied by scanning electron microscope, Brunauer–Emmett–Teller surface area analysis, Fourier transform infrared spectroscopy and X-ray photoelectron spectroscopy.The humidity adsorption tests show that the modified BC samples with HNO3 at room temperature (about 22 °C) in pyrolysis temperature (400–500 °C) have a significant enhancement than the control one at lower relative humidity (< 60%). This characteristic is an advantageous application in conservation needs extremely low humidity. Specific surface area and total pore volume are supposed to play an important role for humidity adsorption at high relative humidity (> 60%). Whereas, at low relative humidity, surface functional groups on BC are a dominant factor compared to specific surface area on humidity adsorption.
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U2 - 10.1007/s13196-019-00251-y
DO - 10.1007/s13196-019-00251-y
M3 - Article
AN - SCOPUS:85079695288
SN - 0972-172X
VL - 17
SP - 34
EP - 41
JO - Journal of the Indian Academy of Wood Science
JF - Journal of the Indian Academy of Wood Science
IS - 1
ER -