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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
chemical engineering
Evaluation of biochar-derived carbocatalysts for pyrolytic conversion of sawdust: Life cycle assessment towards monophenol production
Fuel, Volume 330, Article 125476, Year 2022
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Description
The present study aimed to prepare biochar-derived carbocatalysts (BDCs) from three feedstocks (seaweed, microalga and lignocellulosic biomass) and further evaluate the environmental impacts through life cycle assessment (LCA) methodology. It is indicated that the step of employing chemical activation agent had the highest environmental burdens for all impact categories, followed by activation, carbonization, and transport. Amongst, the carbocatalyst from seaweed (EN-BDC) presented the highest environmental impacts for all indicators. The catalytic performance for bio-monophenols was further studied. All carbocatalysts showed the performance of promoting monophenols, especially phenol, 2-methyl-phenol and p-cresol in the bio-oil. Amongst, EN-BDC was the best for producing monophenols (total up to 54.64% of bio-oil). Furthermore, characterization of fresh and spent catalysts were carried out to investigate the difference and evolution of surface functional groups before and after reactions. The catalytic activity of carbocatalyst was mainly owing to its mesoporous structure and abundant surface oxygen-containing functional groups, especially hydroxyl groups, which was also confirmed by employing the density functional theory. © 2022 Elsevier Ltd
Authors & Co-Authors
Cao, Bin
China, Zhenjiang
Jiangsu University
Jiang, Ding
China, Zhenjiang
Jiangsu University
Yuan, Chuan
China, Zhenjiang
Jiangsu University
Hu, Yamin
China, Zhenjiang
Jiangsu University
Wang, Shuang
China, Zhenjiang
Jiangsu University
Yuan, Jiangping
China, Zhenjiang
Jiangsu University
Abomohra, Abdelfatah El Fatah
China, Chengdu
Chengdu University
Statistics
Citations: 29
Authors: 7
Affiliations: 4
Identifiers
Doi:
10.1016/j.fuel.2022.125476
ISSN:
00162361