Progress in physicochemical properties of ash/slag from co-gasification of agroforestry waste biomass and coal

HONG Qian-hui; LIU Xia; TANG Long-fei; CHEN Xue-li

doi:10.1016/S1872-5813(21)60197-4

Volume 50 Issue 6

Jun. 2022

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Article Navigation > Journal of Fuel Chemistry and Technology > 2022 > 50(6): 641-651

HONG Qian-hui, LIU Xia, TANG Long-fei, CHEN Xue-li. Progress in physicochemical properties of ash/slag from co-gasification of agroforestry waste biomass and coal[J]. Journal of Fuel Chemistry and Technology, 2022, 50(6): 641-651. doi: 10.1016/S1872-5813(21)60197-4

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HONG Qian-hui, LIU Xia, TANG Long-fei, CHEN Xue-li. Progress in physicochemical properties of ash/slag from co-gasification of agroforestry waste biomass and coal[J]. Journal of Fuel Chemistry and Technology, 2022, 50(6): 641-651. doi: 10.1016/S1872-5813(21)60197-4

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Progress in physicochemical properties of ash/slag from co-gasification of agroforestry waste biomass and coal

doi: 10.1016/S1872-5813(21)60197-4

Shanghai Engineering Research Center of Coal Gasification, East China University of Science and Technology, Shanghai 200237, China

Funds: The project was supported by the Social Development Science and Technology Tackling Project of 2020 “Scientific and Innovative Action Plan of Shanghai” (20dz1203300).

Received Date: 2021-12-31
Accepted Date: 2022-01-29
Rev Recd Date: 2022-01-24

Available Online: 2022-02-16

Publish Date: 2022-06-25

Abstract

Abstract

Co-gasification of agroforestry waste biomass and coal realizes energy-saving, low-carbon emission, clean and efficient raw material conversion by taking advantage of their similarities and complementarities. The physicochemical properties of ash slag for raw materials are one of the key factors affecting the stable operation of co-gasification. It is the focus of co-gasification research. This paper reviews the research status of physicochemical properties of ash slag from co-gasification of agroforestry waste biomass and coal. It mainly includes the similarity and difference between agroforestry waste biomass ash and coal ash, the fusion and viscosity-temperature characteristics of mixed ash, the effect of alkali/alkaline earth metals in mixed ash on co-gasification reactivity, and sintering behavior during the slagging process. The influence mechanism of adding agroforestry waste biomass on the melting flow and sintering behavior of mixed ash is discussed. The prediction models and methods of fusion characteristics, viscosity-temperature, and slagging characteristics of mixed ash are also summarized. Finally, the future research directions of ash slag from co-gasification of agroforestry waste biomass and coal are proposed.
- agroforestry waste biomass,
- coal,
- co-gasification,
- ash slag,
- physicochemical property

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References(72)

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