Identification of Compounds Released During Pyrolysis of Palm Kernel Shell (PKS) Using Pyrolysis-GC/MS

*Dieni Mansur -  Research Center for Chemistry, Indonesian Institute of Sciences Kawasan Puspiptek Serpong, Tangerang Selatan, Banten 15314, Indonesia, Indonesia
Sabar Pangihutan Simanungkalit -  Research Center for Chemistry, Indonesian Institute of Sciences Kawasan Puspiptek Serpong, Tangerang Selatan, Banten 15314, Indonesia
Received: 14 Oct 2017; Published: 19 Feb 2018.
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Language: EN
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Abstract

Pyrolysis is one of thermochemical conversion to convert biomass into bio-oil. The higher energy content in bio-oil suggests its potential as a raw material in the production of energy, bio-fuels, and other chemicals. Pyrolysis of PKS and the chemicals released were studied using pyrolysis–gas chromatography/mass spectrometry (Py-GC/MS) at 400-600°C. Prior to pyrolysis, thermogravimetry experiments were carried out to monitor the degradation temperature of hemicellulose, cellulose, and lignin in the PKS. Degradation of hemicellulose occurred within a temperature range of 150-330°C, whereas the cellulose was degraded in temperatures range between 330-400°C. Degradation of lignin took place within a broad range of temperatures, which reached maximum at temperatures range of 200-500°C. Based on the Py-GC/MS results, pyrolysis of PKS at 400°C produced bio-oil that can be used as biofuel due to its high aromatic compounds but low carboxylic acids contents.

 

Keywords: bio-oil; chemical; palm kernel shell; Py-GC/MS; thermogravimetry

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