4.5 Article

Fast pyrolysis of date palm biomass using Py-GCMS

期刊

JOURNAL OF THE ENERGY INSTITUTE
卷 99, 期 -, 页码 229-239

出版社

ELSEVIER SCI LTD
DOI: 10.1016/j.joei.2021.09.012

关键词

Date palm biomasses; TGA; Fast pyrolysis; Py-GCMS

资金

  1. Tunisian Ministry of Higher Education and Scientific Research (MESRST)
  2. Spanish Ministry of Science and Innovation [PID2019-107357RB-I00]

向作者/读者索取更多资源

Fast pyrolysis of Date Palm Petiole and Date Palm Seed biomass was conducted at different temperatures to study the effect on product distribution. Temperature greatly influenced the concentration of components in the volatile stream, with the most abundant compound identified as levoglucosan, derived from cellulose degradation. Understanding the product composition is crucial for developing large scale fast pyrolysis units for valorizing Tunisian agricultural wastes.
Pyrolysis of Date Palm Petiole (DPP) and Date Palm Seed (DPS) biomass was conducted by fast pyrolysis and online analysis of the outlet stream by gas chromatography connected to mass spectrometry (Py-GCMS) at different temperatures (450, 500 and 600 degrees C) in order to study the effect of this variable on the product distribution. The concentration of the components in the volatile stream (bio-oil and non-condensable gases) was greatly influenced by temperature and, to a minor extent, by the content of the biomass components (cellulose, hemicellulose and lignin). The most abundant compound families quantified are acids, anhydrosugars, ketones, furans and phenols. The most abundant compound identified was levoglucosan, which is mainly derived from the degradation of cellulose, with its relative content being as high as 18.3% for DPS pyrolysis at 450 degrees C and considerably lower for DPP pyrolysis (12.2%). The relative content of acetic acid was as higher as 10.2% at 450 degrees C for DPP pyrolysis. The knowledge of product composition is crucial for the development of large scale fast pyrolysis units for the valorization of these Tunisian agricultural wastes.

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