Jesse Zhu

Western University

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George Nakhla

Western University

Yuanyuan Shao

University of Nottingham Ningbo China

Shahzad Barghi

Western University

Mehran Andalib

Stantec (United States)

Amarjeet Bassi

Western University

Ahmed Eldyasti

York University

Chuangzhi Wu

Guangzhou Institute of Energy Conversion

Zeneng Sun

Western University

Fernando Preto

Natural Resources Canada

Argyrios Margaritis

National Research Institute of Brewing

Cooperative Institutions

Western University

Chinese Academy of Sciences

Tianjin University

Guangzhou Institute of Energy Conversion

University of Chinese Academy of Sciences

China University of Petroleum, Beijing

Tsinghua University

China University of Petroleum, East China

Shanghai Jiao Tong University

Zhejiang University of Technology

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Papers

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Model validation of a CFB biomass gasification model

Renewable Energy (2013)

Qi Miao Jesse Zhu Shahzad Barghi Chuangzhi Wu Xiuli Yin

Biomass gasification

Model Validation

10.1016/j.renene.2013.09.040

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Citations (10)

A comparison of flow development in high density gas‐solids circulating fluidized bed downer and riser reactors

AIChE Journal (2015)

Chengxiu Wang Chunyi Li Jesse Zhu Chengxiu Wang Shahzad Barghi

Comparison of flow development in high density downer and riser reactors is experimentally investigated using fluid catalytic cracking particles with very high solids circulation rate up to 700 kg/m 2 s for the first time. Results show that both axial and radial flow structures are more uniform in downers compared to riser reactors even at very high density conditions, although the solids distribution becomes less uniform in the high density downer. Solids acceleration is much faster in the downer compared to the riser reactor indicating a shorter length of flow development and residence time, which is beneficial to the chemical reactions requiring short contact time and high product selectivity. Slip velocity in risers and downers is also first compared at high density conditions. The slip velocity in the downer is much smaller than in the riser for the same solids holdup indicating less particle aggregation and better gas‐solids contacting in the downer reactors. © 2015 American Institute of Chemical Engineers AIChE J , 61: 1172–1183, 2015

Fluidized bed combustion

Residence time distribution

Fluid catalytic cracking

Particle aggregation

10.1002/aic.14728

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Citations (40)

Operating regimes in circulating fluidized bed combustors: fast fluidization or bubbling-entrained bed?

Fuel (2021)

Jiaying Wang Zeneng Sun Yuanyuan Shao Jesse Zhu

Fluidization

Fluidized bed combustion

10.1016/j.fuel.2021.120727

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Citations (10)

Situating the high‐density circulating fluidized bed

AIChE Journal (1999)

John R. Grace Allan S. Issangya Dingrong Bai Hsiaotao T. Bi Jesse Zhu

Abstract Gas–solid flow in high‐density circulating fluidized‐bed risers differs significantly from that in conventional flow regimes, including fast fluidization and pneumatic conveying. It is shown that when there is no downward flux at the wall at high suspension densities, and hence no core/annulus structure, the flow corresponds to a dense suspension upflow regime. This flow regime is explained, and its key properties given. A lower boundary is also proposed for this new flow regime based on available data.

Fluidization

Annulus (botany)

Suspension

Fluidized bed combustion

10.1002/aic.690451009

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Citations (141)

Modeling biomass gasification in circulating fluidized beds

Renewable Energy (2012)

Qi Miao Jesse Zhu Shahzad Barghi Chuangzhi Wu Xiuli Yin

Wood gas generator

Gas composition

10.1016/j.renene.2012.08.020

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Citations (76)

Understanding the correlations between tablet flow dynamics and coating uniformity in a pan coater: Experiments and simulations

Chemical Engineering Journal (2023)

Jiale Chen Qingliang Yang Jinming Liu Mengya Jin Shaoqin He

Baffle

10.1016/j.cej.2023.144392

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Citations (5)

Comparison of flow dynamics and reactor performance in gas-solids circulating turbulent fluidized bed with other fluidized beds across regimes

Chemical Engineering Journal (2022)

Zeneng Sun Jesse Zhu

Fluidized bed combustion

10.1016/j.cej.2022.137313

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Citations (12)

Impact of calcium on biofilm morphology, structure, detachment and performance in denitrifying fluidized bed bioreactors (DFBBRs)

Chemical Engineering Journal (2013)

Ahmed Eldyasti George Nakhla Jesse Zhu

Extracellular polymeric substance

10.1016/j.cej.2013.07.084

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Citations (17)

Mussel-inspired antimicrobial and antireflective Ag-NPs/PDA/SiO2 coatings via interfacial functionalization

Chemical Engineering Journal (2024)

Zongxuan Zhang Haiping Zhang Hui Zhang Yuanyuan Shao Jesse Zhu

Anti-reflective coating

Surface Modification

10.1016/j.cej.2024.151434

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Citations (3)

Gas‐solids flow behavior: CFB riser vs. downer

AIChE Journal (2001)

H. Zhang Wenzhen Huang Jesse Zhu

Abstract Comparisons are made in a circulating fluidized‐bed riser/downer system between a 15.1 m high, 0.10 m ID riser and a 9.3 m high, 0.10 m ID downer, based on the measurements of the radial distributions of the local solids holdups and local particle velocities along the two columns. Although the core‐annulus flow structures exist in both the riser and downer, the radial flow structure in the downer differs largely from that in the riser. The radial distributions of solids holdup and particle velocity in the downer are much more uniform than those in the riser, thus ensuring the low back mixing and the narrow particle residence time distribution in the downer. The axial flow structure in the downer is also more uniform than that in the riser. Due to the high particle acceleration and the high particle velocity in the downer, the overall solids holdup is significantly lower than that in the riser. The microflow structure in the downer, characterized by the low intermittency indices, is also more uniform than that in the riser. These key properties of the downer make it a very promising candidate for industrial applications where short reaction times and high product selectivity are required.

Fluidized bed combustion

Particle (ecology)

Fluidization

Elutriation

10.1002/aic.690470911

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Citations (69)