农村社区松林剩余生物量生物能量潜力的多因子评价:从功能表征到有效能量资源映射

IF 3 3区 农林科学 Q2 ECOLOGY
M. Morales-Máximo, L. López-Sosa, J. Alvarado-Flores, Jorge Víctor Alcaraz-Vera, Carlos A. García, Margarito Álvarez-Jara, J. G. Rutiaga-Quiñones
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引用次数: 0

摘要

在墨西哥农村社区的不同生产活动中产生的生物质残留物代表了为各种目的产生生物能源的机会领域。例如,固体生物燃料(SBF)是利用这些残留物的替代方案。本研究显示了对墨西哥农村社区手工部门产生的松类残留物分析的综合建议。该提案基于四个阶段:a)通过扫描电子显微镜(SEM),红外(FTIR)和拉曼光谱,热重法(TGA-DTG)表征残留物的物理化学和功能特性,通过纤维分析确定发热量系数和聚合物化合物;(b)对所研究城镇产生的废物进行时空及量纲分析;(c)评估在空间和时间上可用的能量潜力;(d)制定通过收集、加工和最终处置中心为社区管理固体生物燃料的准则。对占社区总数25%的50个工匠作坊的木材残渣进行了评估,结果表明,干燥残渣的热值在17.6 MJ/kg至18.1 MJ/kg之间,这是由于纤维素、半纤维素和木质素等聚合物化合物的存在,后者约为28%,具有较高的能量潜力,其化合物通过热重分析、红外光谱分析、扫描电镜和纤维分析进行了鉴定。所分析的车间的能源潜力估计约为7 TJ/年。在这种情况下,从未燃烧的木柴中获得的经济节省约为每年2万美元。至于由于使用残渣作能源用途而减少的柴火消耗,每年可减少约350兆兆二氧化碳,这将使社区的排放量每年减少76兆兆二氧化碳以上。还制定了一项战略管理建议,旨在为从木材残留物中收集、加工和最终处置固体生物燃料提供空间,这些生物燃料总的来说是同一社区在环境、经济和社会方面可持续的替代能源。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Multifactorial Assessment of the Bioenergetic Potential of Residual Biomass of Pinus spp. in a Rural Community: From Functional Characterization to Mapping of the Available Energy Resource
The generation of biomass residues in different productive activities of rural communities in Mexico represents an area of opportunity for the generation of bioenergy for various purposes. Solid biofuels (SBF), for example, are an alternative for the exploitation of these residues. The present study shows a comprehensive proposal for the analysis of residues of Pinus spp. generated by the artisanal sector of a rural community in Mexico. The proposal is based on four stages: a) characterization of the physico-chemical and functional properties of the residues, by Scanning Electron Microscopy (SEM), Infrared (FTIR) and Raman Spectroscopy, Thermogravimetry (TGA-DTG), determining the calorific coefficient and polymeric compounds present by fiber analysis; (b) spatial, temporal and dimensional analysis of the waste generated in the town studied; (c) assessment of the energy potential available in space and time; (d) definition of guidelines for the management of solid biofuels for the community through collection, processing and final disposal centers. The results of the assessment of timber residue from 50 artisan workshops that represent 25% of the total in the community show that the identified heating value of the dry residue ranges from 17.6 MJ/kg to 18.1 MJ/kg, attributed to the presence of polymeric compounds such as cellulose, hemicellulose and lignin, the latter in the order of 28%, which contributes to a high energy potential, and whose compounds were identified by TGA-DTG analysis, FTIR, SEM and fiber analysis. The energy potential was estimated at approximately 7 TJ/year for the analyzed workshops. In which case, the economic savings obtained from unburned firewood would amount to about $20,000 USD/year. As regards the reduction in firewood consumption due to the use of residues for energy purposes, about 350 Tn/year would be mitigated, which would reduce the community’s emissions by more than 76 TnCO2/year. A strategic management proposal was also established, aimed at providing spaces for the collection, processing and final disposal of solid biofuels from wood residues, which in sum represent an energy alternative that is sustainable in environmental, economic and social terms, for the same community.
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来源期刊
Fire-Switzerland
Fire-Switzerland Multiple-
CiteScore
3.10
自引率
15.60%
发文量
182
审稿时长
11 weeks
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