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Production of aromatic monomers from catalytic pyrolysis of black-liquor lignin

Shen, DK, Zhao, J, Xiao, R and Gu, S (2014) Production of aromatic monomers from catalytic pyrolysis of black-liquor lignin Journal of Analytical and Applied Pyrolysis, 111 (Januar). pp. 47-54.

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Abstract

Lignin, mostly existing in forms of solid residue from pulping process of biomass, has been intensively investigated as a potential feedstock for producing high-value chemicals. In this work, lignin precipitated from the acidified black liquor was pyrolyzed under different temperatures (550, 650, 800 and 900 °C) using the analytical pyrolysis technology coupled with GC/MS (Py–GC/MS). The experiments in absence and presence of five solid zeolite catalysts (HZSM-5(25), HZSM-5(50), HZSM-5(210), H-β and H-USY) were carried out, in order to identify the optimal reaction temperature and the best catalyst for producing aromatic monomers (such as guaiacol, phenol, benzene, toluene, etc) from lignin. HZSM-5(25) played an important role in promoting the yield of aromatic monomers from lignin under 650 °C, while H-USY enhanced the formation of aromatic hydrocarbons such as benzene, toluene and xylene.

Item Type: Article
Authors :
AuthorsEmailORCID
Shen, DKUNSPECIFIEDUNSPECIFIED
Zhao, JUNSPECIFIEDUNSPECIFIED
Xiao, RUNSPECIFIEDUNSPECIFIED
Gu, SUNSPECIFIEDUNSPECIFIED
Date : 24 December 2014
Funders : National Natural Science Foundation of China, National Basic Research Program of China, EU FP7
Identification Number : https://doi.org/10.1016/j.jaap.2014.12.013
Copyright Disclaimer : Copyright © 2016 Elsevier B.V. or its licensors or contributors.
Uncontrolled Keywords : Lignin, Pyrolysis, Zeolite, Aromatics, Si/Al Ratio
Depositing User : Symplectic Elements
Date Deposited : 28 Mar 2017 11:00
Last Modified : 28 Mar 2017 11:00
URI: http://epubs.surrey.ac.uk/id/eprint/810601

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