Review on the effect of heat exchanger tubes on flow behavior and heat/mass transfer of the bubble/slurry reactors

Li, Le; Zhao, Yansheng; Lian, Wenhao; Han, Congying; Zhang, Qian; Huang, Wei

doi:10.1016/j.cjche.2021.03.017

Cited by 12 publications

(1 citation statement)

References 78 publications

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“…Therefore, it is frequently employed in the numerical simulation of slurry bubble column. In industrial production, vertical heat exchange tubes are usually installed in the slurry bubble column to remove reaction heat in a timely manner [6].…”

Section: Introductionmentioning

confidence: 99%

Simulation Study on Hydrodynamic Performance of Slurry Bubble Column with Vertical Tube Internals

Chen

Duan

2023

J. Phys.: Conf. Ser.

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The gas-liquid-solid mixing characteristics in slurry bubble column were studied using the CFD-PBM model under different cross section coverage ratios of tubes. The research shows that with the increase of the proportion of the cross section area of the vertical tube, the flow field in the slurry bubble column tends to be stable, the liquid phase flow rate in the column becomes faster, and the large-scale liquid circulation strengthens, resulting in the decrease of gas holdup. As the proportion of cross section area in the vertical column increases, the distribution of gas-solid holdup becomes more uneven in the radial direction. However, increasing the number of vertical tubes can improve the axial distribution of solid particles in the reactor while reducing the size of bubbles in the column. Therefore, it can be concluded that in order to achieve effective gas, liquid, and solid mixing in slurry bubble column, the ratio of cross section area of vertical internals is crucial under given conditions.

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Section: Introductionmentioning

confidence: 99%

Simulation Study on Hydrodynamic Performance of Slurry Bubble Column with Vertical Tube Internals

Chen

Duan

2023

J. Phys.: Conf. Ser.

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Numerical study on hydrodynamics of two types of unsteady bubbles in shear-thinning liquids

Pang

Dai

2022

Theor. Comput. Fluid Dyn.

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Comprehensive insights into sustainable conversion of agricultural and food waste into microbial protein for animal feed production

Rasool

Hussain

Shahzad

et al. 2023

Rev Environ Sci Biotechnol

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The growing global population and higher living standards instantly demand the transition in the direction of a sustainable food system. A substantial section of means and agricultural lands are presently committed to protein-rich feed production to rear livestock for human consumption. Conversely, accelerated farming activities and the food industry have rendered a drastic increase in waste which impair the economic and environmental sustainability of the ecosystem. This situation emerges the need for developing an integrated technology for waste management and to improve sustainability footprints. Microbial protein (MP) production based on renewable electron and carbon sources has the potential as a substitute protein source. MP production for animal feed use is growing fast and is derived from bacteria, algae, and fungi including yeast. MP produced from all types of microbes is currently commercialized and in use. However, novel methods and processes are also under investigation to make MP production more economical and sustainable. Current research on MP has concentrated on the valorization of waste materials by using high protein content-containing microorganisms, which can then be used in animal feed. Using such kind of integrated approach, the agroindustry waste resources upcycling can contribute towards finding sustainable, cheaper, and environment-friendly protein sources. This review first describes the potential waste feedstock for MP production and summarizes the recent progress in the application of MP-producing microorganisms including fungus, yeast, bacteria, and phototrophic microbes. Bioprocesses, and production technology advances for MP production have been explored and discussed in detail. Finally, the MP application as animal feed, its challenges, and future perspectives in research have been evaluated.

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Review on the effect of heat exchanger tubes on flow behavior and heat/mass transfer of the bubble/slurry reactors

Cited by 12 publications

References 78 publications

Simulation Study on Hydrodynamic Performance of Slurry Bubble Column with Vertical Tube Internals

Simulation Study on Hydrodynamic Performance of Slurry Bubble Column with Vertical Tube Internals

Numerical study on hydrodynamics of two types of unsteady bubbles in shear-thinning liquids

Comprehensive insights into sustainable conversion of agricultural and food waste into microbial protein for animal feed production

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