1.河南理工大学化学化工学院,河南 焦作 454000
2.菏泽学院化学化工学院,山东 菏泽 274015
3.中国科学院山西煤炭化学研究所,山西 太原 030001
李龙宇(2000 —),男,硕士研究生,研究方向为能源化工。E-mail:wy26455795@163.com
黄山秀(1984 —),女,副教授,硕士生导师,研究方向为矿产资源加工利用及高性能水泥基材料。E-mail:hsx3168@163.com
李风海(1974 —),男,教授,博士生导师,研究方向为能源化工。E-mail:hzlfh@163.com
收稿:2026-03-06,
修回:2026-05-17,
录用:2026-05-18,
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李龙宇, 黄山秀, 李风海, 等. 生物质气化中钾迁移转化对灰熔融的影响及调控研究进展[J/OL]. 化工学报, 2026.
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李龙宇, 黄山秀, 李风海, 等. 生物质气化中钾迁移转化对灰熔融的影响及调控研究进展[J/OL]. 化工学报, 2026. DOI: 10.11949/0438-1157.20260289.
LI longyu, HUANG shanxiu, LI fenghai, et al. Review on the Effect of Potassium Migration and Transformation on Ash Fusion and Its Regulation during Biomass Gasification[J/OL]. CIESC Journal, 2026. DOI: 10.11949/0438-1157.20260289.
生物质资源丰富、分布广泛,在全球能源消耗中占重要比重,由于其可再生与碳中性,被视为替代煤炭等化石燃料的战略选择之一。气化是生物质高效清洁利用的重要途径,然而,碱金属钾在气化过程中的迁移转化及其引发的熔融与结渣问题,降低设备运行稳定性,已成为制约生物质气化技术发展的重大挑战。为此,本综述在介绍生物质中钾的赋存形态、气化过程中钾释放行为与迁移转化过程的基础上,阐述了生物质气化过程中钾含量对灰熔融与结渣行为产生的影响,分析了添加剂(硅铝基、钙基、磷基)对钾影响灰熔融行为的调控机制,从多种原位技术和模拟手段相互耦合协作分析钾的迁移转化对灰熔融特性调控的发展趋势。旨在归纳整理生物质气化过程中钾对灰化学特性的影响机理,从而为预防生物质气化中钾引起的灰化学问题的出现提供理论支撑和实践参考。
Biomass resources
abundant and widely distributed
accounted for a significant proportion of global energy consumption. Due to its renewability and carbon neutrality
it is regarded as one of the strategic alternatives to fossil fuels such as coal. Biomass gasification represents an important approach for its efficient and clean utilization. However
the migration and transformation of alkali potassium during gasification
along with the resulting slagging and ash fusion issues
reduced operational stability
and became a major constraint on the development of biomass gasification technology. Therefore
this paper
on the basis of introducing the occurrence forms of potassium in biomass
potassium release behavior
migration and transformation processes of potassium during gasification
expounded the impact of potassium content on the ash fusion and slagging behaviors During biomass gasification
and analyzed the regulation mechanisms of different additives (silico-aluminous-based
calcium-based and phosphorus-based) on the potassium-influenced ash fusion. The future development trends of ash fusion regulation were prospected through potassium migration and transformation by orienting toward the mutual coupling and collaboration of various in-situ techniques and simulation. This review aims to summarize the influence mechanisms of potassium on ash chemical properties during biomass gasification
And provides theoretical support and practical reference for preventing the ash chemcial problems caused by potassium in biomass gasification.
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