Mixing Characteristics of Binary Mixture with Biomass in a Gas-Solid Rectangular Fluidized Bed

Aiming to better understand the biomass pyrolysis and gasification processes, a detailed experimental study of the mixing characteristics is conducted in a fluidized bed with binary mixtures. Rapeseed is used as biomass, and silica sand or resin as inert material. The effect of mixture composition,...

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Main Authors: Guiying Wu, Bangting Yu, Yanjun Guan, Xuehui Wu, Kai Zhang, Yongli Li
Format: Article
Language:English
Published: MDPI AG 2019-05-01
Series:Energies
Subjects:
Online Access:https://www.mdpi.com/1996-1073/12/10/2011
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author Guiying Wu
Bangting Yu
Yanjun Guan
Xuehui Wu
Kai Zhang
Yongli Li
author_facet Guiying Wu
Bangting Yu
Yanjun Guan
Xuehui Wu
Kai Zhang
Yongli Li
author_sort Guiying Wu
collection DOAJ
description Aiming to better understand the biomass pyrolysis and gasification processes, a detailed experimental study of the mixing characteristics is conducted in a fluidized bed with binary mixtures. Rapeseed is used as biomass, and silica sand or resin as inert material. The effect of mixture composition, initial packing manner, and superficial gas velocity on the concentration distribution is investigated in a rectangular fluidized bed by means of photography and sampling methods. The results show that the mixture composition plays an important role in the axial solids profile of binary mixtures. The mixing behavior of binary mixture is dominated by the bubble movement. The axial distribution of binary mixtures becomes uniform with increasing superficial gas velocity, whilst no obvious effect of initial packing manner is observed in this study.
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spelling doaj.art-7000e42d5ba94f2f89efdefd178365132022-12-22T02:10:21ZengMDPI AGEnergies1996-10732019-05-011210201110.3390/en12102011en12102011Mixing Characteristics of Binary Mixture with Biomass in a Gas-Solid Rectangular Fluidized BedGuiying Wu0Bangting Yu1Yanjun Guan2Xuehui Wu3Kai Zhang4Yongli Li5Beijing Key Laboratory of Emission Surveillance and Control for Thermal Power Generation, North China Electric Power University, Beijing 102206, ChinaCNOOC Research Institute, Beijing 100028, ChinaBeijing Key Laboratory of Emission Surveillance and Control for Thermal Power Generation, North China Electric Power University, Beijing 102206, ChinaBeijing Key Laboratory of Emission Surveillance and Control for Thermal Power Generation, North China Electric Power University, Beijing 102206, ChinaBeijing Key Laboratory of Emission Surveillance and Control for Thermal Power Generation, North China Electric Power University, Beijing 102206, ChinaBeijing Key Laboratory of Emission Surveillance and Control for Thermal Power Generation, North China Electric Power University, Beijing 102206, ChinaAiming to better understand the biomass pyrolysis and gasification processes, a detailed experimental study of the mixing characteristics is conducted in a fluidized bed with binary mixtures. Rapeseed is used as biomass, and silica sand or resin as inert material. The effect of mixture composition, initial packing manner, and superficial gas velocity on the concentration distribution is investigated in a rectangular fluidized bed by means of photography and sampling methods. The results show that the mixture composition plays an important role in the axial solids profile of binary mixtures. The mixing behavior of binary mixture is dominated by the bubble movement. The axial distribution of binary mixtures becomes uniform with increasing superficial gas velocity, whilst no obvious effect of initial packing manner is observed in this study.https://www.mdpi.com/1996-1073/12/10/2011gas-solid fluidized bedbiomass mixtureconcentration profilemixing dynamicsbubble movement
spellingShingle Guiying Wu
Bangting Yu
Yanjun Guan
Xuehui Wu
Kai Zhang
Yongli Li
Mixing Characteristics of Binary Mixture with Biomass in a Gas-Solid Rectangular Fluidized Bed
Energies
gas-solid fluidized bed
biomass mixture
concentration profile
mixing dynamics
bubble movement
title Mixing Characteristics of Binary Mixture with Biomass in a Gas-Solid Rectangular Fluidized Bed
title_full Mixing Characteristics of Binary Mixture with Biomass in a Gas-Solid Rectangular Fluidized Bed
title_fullStr Mixing Characteristics of Binary Mixture with Biomass in a Gas-Solid Rectangular Fluidized Bed
title_full_unstemmed Mixing Characteristics of Binary Mixture with Biomass in a Gas-Solid Rectangular Fluidized Bed
title_short Mixing Characteristics of Binary Mixture with Biomass in a Gas-Solid Rectangular Fluidized Bed
title_sort mixing characteristics of binary mixture with biomass in a gas solid rectangular fluidized bed
topic gas-solid fluidized bed
biomass mixture
concentration profile
mixing dynamics
bubble movement
url https://www.mdpi.com/1996-1073/12/10/2011
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