Surface Structural Transformation of Pre-carbonized Solid Biomass from Japanese Cedar via ATR-FTIR and PCA

This present research applied the ATR-FTIR technique and principle component analysis (PCA) to investigate molecular surface changes in pre-carbonized solid biomass, called Kindai Bio-coke (BIC) and Japanese cedar. The product is utilized as an alternative to coal coke in the cupola furnace in the s...

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Bibliographic Details
Published in:Analytical Sciences 2020/06/10, Vol.36(6), pp.723-729
Main Authors: CHERDKEATTIKUL, Supitchaya, MORISAWA, Yusuke, IDA, Tamio
Format: Article
Language:English
Subjects:
Aliphatic compounds
Analytical Chemistry
ATR-FTIR
bio-coke
Biomass
Carbon dioxide
Carbon dioxide emissions
Cedar
Chemistry
Coke
Coke fired furnaces
Cryptomeria - chemistry
Cryptomeria - metabolism
Emissions
Hydrophobicity
Iron and steel industry
Japanese cedar
Methane - chemistry
Methane - metabolism
Molecular Structure
Particle Size
Pre-carbonize solid biomass
Principal Component Analysis
Principal components analysis
Raw materials
Spectroscopy, Fourier Transform Infrared
Steel industry
Stretching
Surface Properties
Transformations
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Summary:This present research applied the ATR-FTIR technique and principle component analysis (PCA) to investigate molecular surface changes in pre-carbonized solid biomass, called Kindai Bio-coke (BIC) and Japanese cedar. The product is utilized as an alternative to coal coke in the cupola furnace in the steel industry in order to reduce CO2 emissions. The aim is to explore key elements for improving the BIC product applications from the fundamental molecular scale by using PCA to distinguish between changes during the BIC transformation and the differences in BIC samples. Results revealed that transformation occurred at the surface of Japanese cedar raw materials and Japanese cedar BIC. Major changes were observed in the O–H, C–H and C–O stretching regions. The intensity of the IR bands attributed to aliphatic methyl (CH3) and methylene (CH2) stretching modes increased, while a weak O–H stretching intensity associated with BIC hydrophobic characteristic decreased.
ISSN:0910-6340
1348-2246
DOI:10.2116/analsci.19P412