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A Critical Review of Ash Slagging Mechanisms and Viscosity Measurement for Low-rank Coal and Bio-slags by Alam, Md Tanvir; Dai, Baiqian; Wu, Xiaojiang; Hoadley, Andrew; Zhang, Lian is a Engineering article available to read on EtoBox.
What is A Critical Review of Ash Slagging Mechanisms and Viscosity Measurement for Low-rank Coal and Bio-slags about?
Gasification or combustion of coal and biomass is the most important form of power generation today. However, the use of coal/biomass at high temperatures has an inherent problem related to the ash generated. The formation of ash leads to a problematic phenomenon called slagging. Slagging is the accumulation of molten ash on the walls of the furnace, gasifier, or boiler and is detrimental as it reduces the heat transfer rate, and the combustion/gasification rate of unburnt carbon, causes mechanical failure, high-temperature corrosion and on occasions, superheater explosions. To improve the gasifier/ combustor facility, it is very important to understand the key ash properties, slag characteristics, viscosity and critical viscosity temperature. This paper reviews the content, compositions, and melting characteristics of ashes in differently ranked coal and biomass, and discusses the formation mechanism, characteristics, and structure of slag. In particular, this paper focuses on low-rank coal and biomass that have been receiving increased attention recently. Besides, it reviews the available methodologies and formulae for slag viscosity measurement/prediction and summarizes the curr
Who reads A Critical Review of Ash Slagging Mechanisms and Viscosity Measurement for Low-rank Coal and Bio-slags?
It is typically read by researchers, students, and practitioners in Engineering.
- Author
- Alam, Md Tanvir; Dai, Baiqian; Wu, Xiaojiang; Hoadley, Andrew; Zhang, Lian
- Publisher
- Springer-Verlag; Springer Science + Business Media; Springer Science and Business Media LLC (ISSN 2095-1701)
- Published
- 2020
- Language
- EN
- Field
- Engineering (Physical Sciences)
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