造粒
加热
原材料
水分
弹丸
秆
废物管理
生物量(生态学)
抗压强度
含水量
制浆造纸工业
燃烧热
环境科学
材料科学
工程类
复合材料
农学
化学
燃烧
岩土工程
有机化学
热解
园艺
生物
作者
Congyu Zhang,Wei‐Hsin Chen,Shih‐Hsin Ho,Young‐Kwon Park,Chengyu Wang,Ying Zhang
出处
期刊:Energy
[Elsevier]
日期:2023-12-01
卷期号:285: 129463-129463
标识
DOI:10.1016/j.energy.2023.129463
摘要
Agricultural waste conversion is of great concern to achieve modernization and industrial development and thus leads to a greener route for a sustainable and circular economy. The treatment of corn stalk for pellet production to realize industrial application is implemented, which is conducive to upgrading fuel properties with better storage and transportation characteristics. The obtained results indicate that torrefaction operation is helpful for pellet density enhancement, with a value of up to larger than 0.74 g cm−3. However, the wear strength and hardness are not good enough compared to raw corn stalk, with values of 4.5–7.5 % and 88 kN–92 kN, respectively. A longer compression duration contributes to a greater work condition and higher relative HHV, which is conducive to energy efficiency improvement. To further evaluate the hygroscopicity and moisture resistance capacity of pelletized corn stalk for fuel properties evaluation, the equilibrium moisture content and contact angle reflect that the enhancement of pressure and compression duration are beneficial for moisture resistance capacity improvement, with the values of less than 3.5 % and higher than 130°. When considering the fuel properties and pelletization cost, compromising on operation conditions should be adopted for optimal operation.
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