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Mini-review on hot gas filtration in biomass gasification: Focusing on ceramic filter candles

Mini-review on hot gas filtration in biomass gasification: Focusing on ceramic filter candles
Mini-review on hot gas filtration in biomass gasification: Focusing on ceramic filter candles

Biomass gasification is increasingly attracting interest in the research of biorenewable energy all over the world, as a carbon-neutral supplement to the conventional fossil energy. It can convert biomass to the burnable producer gas for heat and power production or synthesis of fuels and chemicals. However, its commercial applications are seriously interfered by the minor but unavoidable contaminants or impurities in the raw product gas, which cause severe problems in the downstream equipment. This paper reviews the recent progress on the hot gas filtration technologies for removing particulate matters (PMs) and tars from the biomass-derived product gas, focusing on ceramic filter candles, which are widely applied in the biomass gasification systems. Developments of PM characterization, hot gas catalytic filtration, and oxidative filtration as well as the numerical simulation of computational fluid dynamics in hot gas filtration are summarized in detail. It also critically discusses the major challenges and future opportunities in hot gas filtration and concludes that the combined oxidative filtration and catalytic filtration with highly efficient catalyst at moderate temperatures (<600 °C) should be the most economical option for the widespread commercial small-scale biomass gasification systems.

0887-0624
11800-11819
Lang, Lin
9f8dc15e-e777-4817-8b29-08f49f504eb7
Zhu, Hong Yu
b4e3a107-8d8f-496c-a8aa-a465fffd0b7b
Ding, Ying Na
6c51263b-a8cc-4277-ab8a-e6258e6e2419
Yin, Xiu Li
490e8531-6547-4cba-aea5-86fbeac3d14e
Wu, Chuang Zhi
bbe27f03-4f89-4a98-9c65-760762a59386
Yu, Xi
7e4f553f-cc11-4c6e-ad6d-9fb5c3c07a60
Bridgwater, Anthony V.
0bb8f904-9940-4063-a29c-4b8c006786b1
Lang, Lin
9f8dc15e-e777-4817-8b29-08f49f504eb7
Zhu, Hong Yu
b4e3a107-8d8f-496c-a8aa-a465fffd0b7b
Ding, Ying Na
6c51263b-a8cc-4277-ab8a-e6258e6e2419
Yin, Xiu Li
490e8531-6547-4cba-aea5-86fbeac3d14e
Wu, Chuang Zhi
bbe27f03-4f89-4a98-9c65-760762a59386
Yu, Xi
7e4f553f-cc11-4c6e-ad6d-9fb5c3c07a60
Bridgwater, Anthony V.
0bb8f904-9940-4063-a29c-4b8c006786b1

Lang, Lin, Zhu, Hong Yu, Ding, Ying Na, Yin, Xiu Li, Wu, Chuang Zhi, Yu, Xi and Bridgwater, Anthony V. (2021) Mini-review on hot gas filtration in biomass gasification: Focusing on ceramic filter candles. Energy and Fuels, 35 (15), 11800-11819. (doi:10.1021/acs.energyfuels.1c01458).

Record type: Review

Abstract

Biomass gasification is increasingly attracting interest in the research of biorenewable energy all over the world, as a carbon-neutral supplement to the conventional fossil energy. It can convert biomass to the burnable producer gas for heat and power production or synthesis of fuels and chemicals. However, its commercial applications are seriously interfered by the minor but unavoidable contaminants or impurities in the raw product gas, which cause severe problems in the downstream equipment. This paper reviews the recent progress on the hot gas filtration technologies for removing particulate matters (PMs) and tars from the biomass-derived product gas, focusing on ceramic filter candles, which are widely applied in the biomass gasification systems. Developments of PM characterization, hot gas catalytic filtration, and oxidative filtration as well as the numerical simulation of computational fluid dynamics in hot gas filtration are summarized in detail. It also critically discusses the major challenges and future opportunities in hot gas filtration and concludes that the combined oxidative filtration and catalytic filtration with highly efficient catalyst at moderate temperatures (<600 °C) should be the most economical option for the widespread commercial small-scale biomass gasification systems.

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More information

e-pub ahead of print date: 14 July 2021
Published date: 5 August 2021
Additional Information: Funding Information: This work was financially supported by the National Natural Science Foundation of China (51676192), the Strategic Priority Research Program of Chinese Academy of Sciences (XDA21060600), the Guangdong Provincial Science and Technology Project (2019A050510031), and the Science and Technology Program of Guangzhou (201904010098). H.-y.Z. gratefully acknowledges Doctoral Training Program fund from College of Engineering and Physical Sciences, Aston University.

Identifiers

Local EPrints ID: 481854
URI: http://eprints.soton.ac.uk/id/eprint/481854
ISSN: 0887-0624
PURE UUID: 89d3fe74-54d0-4c07-9b5f-3479c9bdcc63

Catalogue record

Date deposited: 11 Sep 2023 17:02
Last modified: 06 Jun 2024 02:19

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Contributors

Author: Lin Lang
Author: Hong Yu Zhu
Author: Ying Na Ding
Author: Xiu Li Yin
Author: Chuang Zhi Wu
Author: Xi Yu ORCID iD
Author: Anthony V. Bridgwater

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