CNR-STEMS, Viale Marconi, 4, 80125, Naples, Italy.
CNR-STEMS, Viale Marconi, 4, 80125, Naples, Italy.
J Environ Manage. 2022 Sep 1;317:115434. doi: 10.1016/j.jenvman.2022.115434. Epub 2022 Jun 9.
Energy generation from waste renewable sources represent an efficient way to provide green power with the highest environmental benefits, tackling problems related to the high costs for their disposal through the conversion of these wastes in biofuels. However, several challenges hinder their intensified use, as the huge variability in the amount and composition of these sources forces authors to enlarge their studies on the entire biomass-to-energy chain sustainability where the power technology can be installed with the highest profits. In present work, the technical, environmental and economic impact of the entire biomass-to-energy supply chain is assessed with reference to a real commercially available Combined Heat and Power (CHP) system, the CMD ECO20X based on biomass gasification, installed as operational demonstration in the Municipality of Laurino in the National Park of Cilento, Vallo di Diano, and Alburni (PNCVD) in Southern part of Italy. Several calculation tools previously developed by authors for the analysis of the performance of the various components of the ECO20X system are here employed to define the mass and energy fluxes that characterize its operations in a local supply chain where forest management residues (oak and beech trees) and olive pomace from oil mills in the area are exploited. The analysis aims to quantify the energy absorption necessary for the pretreatment operations of the organic residue (shredding, briquetting, drying) which are essential for gasification, and how much they affect the production deriving from the biomass cogeneration process itself. Then, measurements in terms of pollutants related to the energy production at the municipality and of the air quality in the area, help in the evaluation of the plant environmental impact from a global perspective, by virtue of data obtained from an LCA analysis conducted considering one year functioning of the CHP plant.
从可再生废物中产生能源代表了一种提供绿色电力的有效方式，具有最高的环境效益，可以解决由于这些废物转化为生物燃料而导致的高处置成本问题。然而，一些挑战阻碍了它们的强化利用，因为这些资源的数量和组成存在巨大的可变性，这迫使研究人员扩大了对整个生物质到能源链可持续性的研究，在这个链条中，可以在安装电力技术的情况下获得最高的利润。在目前的工作中，参考实际可用的联合热电联产（CHP）系统 CMD ECO20X，对整个生物质到能源供应链的技术、环境和经济影响进行了评估，CMD ECO20X 基于生物质气化，作为运行示范安装在意大利南部的 Cilento、Vallo di Diano 和 Alburni 国家公园的 Laurino 市。研究人员之前为分析 ECO20X 系统各组成部分的性能而开发的几种计算工具，在这里被用来定义其在当地供应链中的操作的质量和能量通量，该供应链利用了森林管理残留物（橡树和山毛榉树）和该地区的橄榄油厂的橄榄渣。分析旨在量化有机残留物（切碎、压块、干燥）预处理操作所需的能量吸收，这些操作对于气化是必不可少的，以及它们对生物质联合发电过程本身产生的生产有多大影响。然后，从整体角度考虑通过生命周期分析（LCA）获得的数据，对从市政当局的能源生产角度以及该地区的空气质量角度进行污染物测量，有助于评估工厂的环境影响。
