Research progress in downer fluidized bed reactor for biomass fast pyrolysis

被引：0
作者：
Yang Z. [1 ]
He Z. [1 ]
Chang Y. [1 ,2 ,3 ]
Jin Z. [1 ,2 ]
Jiang X. [1 ,2 ]
机构：
[1] College of Architecture & Environment, Sichuan University, Sichuan, Chengdu
[2] College of Carbon Neutrality Future Technology, Sichuan University, Sichuan, Chengdu
[3] Tianfu Yongxing Laboratory, Sichuan, Chengdu
来源：
Huagong Xuebao/CIESC Journal | 2023年 / 74卷 / 06期
关键词：
biomass; downer reactor; fluidized bed; pyrolysis;
D O I：
10.11949/0438-1157.20230170
中图分类号：
学科分类号：
摘要：
Under the goal of carbon neutrality, the future development path is to change from the raw material system of fossil energy to the raw material system of renewable energy. As an important substitute for fossil resources, biomass is the only renewable carbon resource that can replace fossil resources on a large scale. Fast pyrolysis of biomass is an important way to convert biomass resources into liquid fuels, and its core technology is the reactor. The downer circulating fluidized bed reactor has the advantages of short product residence time and near-plug flow performance, and has broad application prospects in fast pyrolysis of biomass. In this paper, the characteristics of fluidized bed reactor and the research status of pilot and demonstration/commercial units are introduced. The characteristics, structure, classification and hydromechanical properties of downer reactor are summarized in detail, and the bottleneck problems in the process of downer reactor scale-up and the direction of further research are analyzed, which can provide reference for promoting the industrial application of downer reactor in fast pyrolysis of biomass. © 2023 Chemical Industry Press. All rights reserved.
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页码：2249 / 2263
页数：14
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