Preparation of dealkalized red mud catalysts and its effect on bio-oil composition of corn straw catalytic pyrolysis

被引：0
|
作者：
Han X. [1 ]
Wang L. [1 ,2 ,3 ]
Bai X. [1 ,2 ,3 ]
Yi W. [2 ,3 ]
Li Y. [1 ,2 ,3 ]
Li Z. [1 ,2 ,3 ]
Zhang A. [1 ,2 ,3 ]
机构：
[1] School of Agricultural Engineering and Food Science, Shandong University of Technology, Shandong, Zibo
[2] Shandong Clean Energy Engineering Technology Research Center, Shandong, Zibo
[3] State Key Laboratory of Woody Oilseed Resources Utilization Sub-Laboratories, Shandong, Zibo
来源：
Huagong Jinzhan/Chemical Industry and Engineering Progress | 2022年 / 41卷 / 09期
关键词：
biomass; catalysis; dealkylation; pyrolysis; red mud;
D O I：
10.16085/j.issn.1000-6613.2021-2356
中图分类号：
学科分类号：
摘要：
Red mud contains catalytic elements and certain pores, which can be used as catalysts. Its strong alkalinity leads to sintering of the catalyst surface and inadequate acidity. In this study, dealkalized red mud catalysts were prepared by exchange of sodium citrate and calcination. The dealkalization rate reached 96%. Characterization found that the dealkalized red mud was more stable. Polymerization degree of aluminosilicate decreased and the content of Al, Fe, Ti and other catalytic elements increased in dealkalized red mud. The specific surface area and the medium strong acid sites were increased. When the dealkalized red mud was used to catalyze the straw pyrolysis, the aldehydes, phenols and furans in the bio-oil products changed significantly. The content of 2, 3-dihydrofuran increased by 15.9 times. The dealkalized red mud had little effect on the production rate of bio-oil, with significant changes in non-condensable gas and biochar production rate. It was inferred that the dealkalized red mud promoted the de-hydroxylation and de-carbonylation reactions,and the dehydration rearrangement of glucose, and strengthened the demethylation and de-methoxy reactions. The research would provide an important reference for the efficient preparation of liquid fuels and fine chemicals by the catalytic pyrolysis of biomass. © 2022 Chemical Industry Press. All rights reserved.
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页码：4723 / 4732
页数：9
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  • [1] WANG Shurong, DAI Gongxin, YANG Haiping, Et al., Lignocellulosic biomass pyrolysis mechanism: a state-of-the-art review, Progress in Energy and Combustion Science, 62, pp. 33-86, (2017)
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  • [3] SUN Tanglei, LI Zaifeng, ZHANG Zhiping, Et al., Fast corn stalk pyrolysis and the influence of catalysts on product distribution, Bioresource Technology, 301, (2020)
  • [4] BRIDGWATER A V., Review of fast pyrolysis of biomass and product upgrading, Biomass and Bioenergy, 38, pp. 68-94, (2012)
  • [5] FERNANDEZ Enara, SANTAMARIA Laura, ARTETXE Maite, Et al., In line upgrading of biomass fast pyrolysis products using low-cost catalysts, Fuel, 296, (2021)
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  • [7] SUSHIL Snigdha, BATRA Vidya S., Catalytic applications of red mud, an aluminium industry waste: a review, Applied Catalysis B: Environmental, 81, 1, pp. 64-77, (2008)
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