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横截面纵横比对鼓泡流化床中生物炭分离的影响

Influence of cross-sectional aspect ratio on biochar segregation in a bubbling fluidized bed.

作者信息

Park Hoon Chae, Choi Hang Seok

机构信息

Engineering and Construction Group, Samsung C&T, Seoul, 05288, Republic of Korea.

Department of Environmental Engineering, Yonsei University, Wonju, 26493, Republic of Korea.

出版信息

Sci Rep. 2022 Jun 22;12(1):10600. doi: 10.1038/s41598-022-14282-y.

DOI:10.1038/s41598-022-14282-y
PMID:35732672
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9217816/
Abstract

In this study, computational particle fluid dynamics was applied to investigate the segregation characteristics of biochar in a bubbling fluidized bed. The aspect ratio of the bubbling fluidized bed was changed and the effects of the aspect ratio on the segregation characteristics were investigated. The segregation characteristics of a mixture of biochar and sand particles were analyzed in terms of bubble size distribution, pressure fluctuations, and mixing index. As the aspect ratio increased, the bubble size decreased, leading to a clearer segregation of biochar and sand particles. The mixing index of the biochar and sand particles decreased as the aspect ratio increased.

摘要

在本研究中，应用计算颗粒流体动力学来研究生物炭在鼓泡流化床中的分离特性。改变鼓泡流化床的纵横比，并研究纵横比对分离特性的影响。从气泡尺寸分布、压力波动和混合指数方面分析了生物炭与砂粒混合物的分离特性。随着纵横比的增加，气泡尺寸减小，导致生物炭与砂粒的分离更加明显。随着纵横比的增加，生物炭与砂粒的混合指数降低。

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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cff9/9217816/5d1fd2770b37/41598_2022_14282_Fig6_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cff9/9217816/a5bb2605412d/41598_2022_14282_Fig7_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cff9/9217816/c1ac136327e3/41598_2022_14282_Fig9_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cff9/9217816/f263853aee04/41598_2022_14282_Fig10_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cff9/9217816/e236a1def0f3/41598_2022_14282_Fig11_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cff9/9217816/488f1631ac2b/41598_2022_14282_Fig12_HTML.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/cff9/9217816/db724c9e5de9/41598_2022_14282_Fig13_HTML.jpg

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本文引用的文献

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