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评估水热裂解固体有机肥对环境的影响:碳和的保留和有毒金属分析

Rui Xia¹, Xiao-Xiao Yang², Jue Wang²

¹Shanxi Research Institute for Clean Energy Tsinghua University, Taiyuan 030000, China.

Journal of environmental sciences (China)

|December 29, 2025

概括

水热裂解固体有机肥 (HCSOF) 提供高碳和保留,显著减少温室气体排放. 这项研究证实了HCSOF的存在.

科学领域:

农业科学农业科学
环境科学环境科学
材料科学材料科学材料科学

背景情况:

水热裂解 (HTC) 将生物质废物转化为有价值的有机肥料.
关于HTC固体有机肥 (HCSOF) 的研究主要集中在特性和肥料特性上.
关于HCSOF的温室气体排放和有毒金属 (TM) 概况的数据有限.

研究的目的:

评估工业HCSOF的碳和保留率.
评估HCSOF对环境的影响,包括有毒金属 (TM).
调查HCSOF应用对土壤,植物和TM生态风险的影响.

主要方法:

在工业HCSOF中分析碳和的固定率.
使用危险系数 (HQ) 和风险评估代码 (RAC) 量化有毒金属 (TM) 和对生态风险进行评估.
实地种植实验,将HCSOF应用于玉米种植的沙土.

主要成果:

高氧化碳矿具有较高的固定碳 (高达91.2%) 和 (98.40%) 保留率,这表明温室气体减排潜力.
在HCSOF中对TM的生态安全评估显示了低风险水平 (例如,Hg HQ=0.008,As HQ=0.055).
应用15,000公斤/公HCSOF改善了土壤有机物质和营养素,减少了TM,并降低了玉米种植中的生态风险.

结论:

工业HCSOF显示出大量温室气体减排的潜力,这是由于高碳和气保留.
在有毒金属方面,HCSOF表现出有利的生态安全性,最大限度地降低了环境风险.
应用HCSOF可提高土壤和作物质量,同时减轻有毒金属污染,提供可持续的废物利用途径.

关键词:

生物质废弃物是生物质废弃物.碳封存是一种碳封存方式.生态风险评估评估生态风险评估工业化水热裂解固体有机肥固体有机肥有毒金属含量有毒金属含量

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