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Material Properties Changes Caused by High Temperature Drying-Corn Cobs Case Study

delete2025-05-15
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OA
AI
M
Marek Wróbel *
M
Marcin Jewiarz
J
Jozef Krilek
L
Luiza Dmochowska-Kuc
DOI:10.3390/ma18102302delete
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摘要

摘要

En 中文
生物质是一种具有可变物理化学性质的能量来源。热处理可降低水分和挥发分含量,同时提高高位热值(HHV)。这对于具有低能量潜力的农业废弃物(如玉米芯)尤为理想。为了将生物质制成颗粒,保持木质素完整至关重要,因为它负责颗粒粘附。本研究聚焦于玉米芯的高温干燥,处理温度范围选定为60至220摄氏度,上限温度旨在防止木质素显著分解,同时不超过原料的自燃温度。研究分析了基本技术参数的变化,包括水分含量、灰分含量、挥发分和HHV。我们测试了研磨和致密化过程,并测量了原料的颗粒尺寸分布(PSD)、堆积密度以及团聚体的机械耐久性(DU)。研究表明,高温干燥对技术参数具有积极影响。我们发现,在180摄氏度下干燥玉米芯可获得最佳效果。PSD和DU值均表明,可利用该材料生产优质压缩生物质燃料。
Keyword:
biomass drying
grindability
pellets
solid density
mechanical durability

期刊

Materials 封面图
Materials
IF:
3.2
论文数:
5.7W
被引数:
15.1W

机构

T
technical university zvolen
学者数:
754
论文数: 557
被引数: 21
A
Agr Univ Krakow
学者数:
168
论文数: 82
被引数: 17
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