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详细估计生成的木质生物质灰,用于作为肥料材料

Minori Ike¹, Hiroyuki Kawagoe², Kazuyuki Oshita¹

¹Department of Environmental Engineering, Graduate School of Engineering, Kyoto University, C1-3, Kyotodaigaku Katsura, Nishikyo-ku, Kyoto 615-8540 Japan.

Waste management (New York, N.Y.)

|February 13, 2025

概括

在日本产生的木质生物质灰 (WBA) 被大大低估了. 这项研究估计WBA适合用于肥料,强调其作为循环经济中宝贵的资源的潜力.

科学领域:

环境科学环境科学
农业科学农业科学
化学工程是化学工程的重要组成部分.

背景情况:

木质生物质灰 (WBA) 的特征因燃料和炉型而有很大差异.
为了有效地回收 WBA 用于农业或工业用途,需要对其数量和特性提供准确的数据.
之前对WBA产量的估计往往忽略了影响实际灰产生的关键因素.

研究的目的:

估计日本适用于肥料应用的木质生物质灰 (WBA) 的可回收量.
分析不同灰类型,燃料来源和炉子技术对WBA产量和组成的影响.
评估WBA作为循环经济框架内的国内 (K) 资源的潜力.

主要方法:

在日本105个生物质发电厂进行了基于问卷的调查,以收集关于WBA发电的数据.
开发了WBA数量的估计模型,考虑了灰类型,炉类型 (气化,炉,液化床) 和燃料类型.
基于估计的生物质燃烧量,计算了2026年预计的WBA产量.

主要成果:

实际的WBA金额是基于燃料类型的计算的1.5倍以上.
气化发电表现出实际与计算灰数量的较高斜率,其次是炉和流化床.
估计每年适用于肥料的WBA是6.2-11×10^5,其K含量是进口肥料的1.8倍.

结论:

WBA代表了大量的,未充分利用的国内资源,特别是.
考虑到炉子和燃料类型的准确估计方法对于WBA管理和回收至关重要.
利用WBA作为肥料来源可以为日本更有效的循环经济做出贡献.

关键词:

下面的灰是下面的灰.烤箱类型烤箱类型烤箱类型和是的组成部分.回收回收是回收的过程.废旧木材的木材废弃物是什么?

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