通过吸附增强气化的生物质利用机会:评估生物炭生产的环境和经济方面
Nuria Goldaraz-Salamero1, Lorenzo Baima1, Samuel Moles2
1Department of Agricultural, Forest, and Food Sciences, University of Turin, Largo Paolo Braccini 2, 10095 Grugliasco, Turin, Italy.
Bioresource technology
|June 6, 2025
概括
这项研究评估了使用吸附增强气化 (SEG) 的生物炭生产. 葡萄种子被证明比污水污泥更可持续,为生物炭系统提供更低的环境影响和更好的经济可行性.
科学领域:
- 环境科学 环境科学
- 可持续工程 可持续工程
- 废物管理 废物管理
背景情况:
- 生物炭显示出改善土壤和减缓气候变化的前景.
- 关于生物炭生产系统的整体可行性存在有限的研究.
- 污水污泥和葡萄种子是生产生物炭的潜在原料.
研究的目的:
- 通过吸附增强气化 (SEG) 分析生物炭生产.
- 评估使用污水污泥和葡萄种子作为原料的环境影响和经济可行性.
- 解决生物炭系统全面可行性研究的缺口.
主要方法:
- 生命周期评估 (LCA) 用于环境影响评估.
- 生命周期成本 (LCC) 用于经济可行性分析.
- 用于生物炭生产的吸附增强气化 (SEG).
主要成果:
- 葡萄种子的生物炭生产导致温室气体 (GHG) 排放量较低 (11.0公斤CO2/公斤),而污水污泥 (17.8公斤CO2/公斤).
- 农业废弃物 (葡萄种子) 原料的利比污水污泥 (0.82欧元/公斤) 高 (0.94欧元/公斤).
- 在废物管理和土壤修改方面,SEG技术显示出潜力.
结论:
- 通过SEG从葡萄种子生产生物炭比从污水污泥生产环境更优越,经济更可行.
- 该研究强调了生物炭在可持续废物管理和土壤修改方面的作用.
- 需要进一步优化,以提高生物炭生产系统的经济可行性.
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