再生可能エネルギー統合下におけるスイートソルガム生産の熱力学的持続可能性分析
Thermodynamic Sustainability Analysis of Sweet Sorghum Production with Renewable Energy Integration (原題)
Müjdat Öztürk, Arman Ameen
🤖 gxceed AI 要約
日本語
スイートソルガム生産1トンあたりの累積エネルギー・エクセルギー・CO2排出を初めて包括評価した研究。電力消費が最大の寄与で、灌漑用水が排出の主要因。再生可能電力の導入でCDPは2.8→6.32、RIは0.64→0.84へ改善し、エクセルギー効率が2倍以上に向上した。
English
First cumulative exergy-based assessment of sweet sorghum production, covering energy, exergy and CO2 indicators per ton. Electricity dominated both energy and exergy inputs, while irrigation water drove emissions. Integrating renewable electricity raised CDP from 2.8 to 6.32 and RI from 0.64 to 0.84, more than doubling exergy efficiency.
Unofficial AI-generated summary based on the public title and abstract. Not an official translation.
📝 gxceed 編集解説 — Why this matters
日本のGX文脈において
日本ではバイオ燃料・農業由来エネルギーはGX政策の周辺領域だが、再生可能電力導入による効率改善の定量手法は、国内の農業・食品企業がScope 3や再生可能エネルギー調達を評価する際の参考になりうる。SSBJ開示とは直接接続しない。
In the global GX context
Adds to the global literature on exergy-based sustainability metrics for bioenergy feedstocks, a methodological strand largely absent from TCFD/ISSB disclosure debates. It offers a quantitative lens for agricultural emissions and renewable integration that could inform transition pathway analysis for the agri-energy sector.
👥 読者別の含意
🔬研究者:農業エネルギーシステムのエクセルギー・環境指標を統合評価する手法の実例として参考になる。
🏢実務担当者:再生可能電力導入が農業生産の効率・排出指標をどう改善するかを示す定量例として活用できる。
🏛政策担当者:バイオ燃料原料の持続可能性評価に、エネルギー品質と排出を同時に扱う指標設計の示唆を与える。
📄 Abstract（原文）
In response to rising global energy demand and sustainability targets, assessing the energy-related efficiency of agricultural products has become a critical issue. Sweet sorghum is widely recognized as a promising energy crop for sustainable biofuel production, thanks to its low water requirements and high biomass productivity. To the best of the authors’ knowledge, this study provides the first comprehensive cumulative exergy-based evaluation of sweet sorghum production by simultaneously assessing its energy, exergy, and environmental performance using five key indicators: Cumulative Energy Consumption (CEnC, 718.48 MJ/ton), Cumulative Exergy Consumption (CExC, 2031.42 MJ/ton), Cumulative CO2 Emission (CCO2E, 124.01 kg CO2/ton), Cumulative Degree of Perfection (CDP, 2.8) and Renewability Index (RI, 0.64), based on field level data for the production of one ton of sweet sorghum. Input-based analysis revealed that electricity consumption accounted for the largest share of both energy and exergy use, amounting to 334.85 MJ/ton and 1396.32 MJ/ton, respectively. At the same time, irrigation water was identified as a major contributor to carbon emissions. The integration of renewable electricity sources substantially improved system performance, increasing the CDP to 6.32 and the RI to 0.84, corresponding to more than a twofold increase in exergy efficiency and a shift toward a predominantly renewable production system. Overall, the findings highlight the strong potential of sweet sorghum as a sustainable biofuel feedstock and underline the importance of integrated policy and management approaches that simultaneously address energy quality, exergy losses, and carbon emissions in agricultural energy systems.
🔗 Provenance — このレコードを発見したソース
- openalex https://doi.org/10.3390/en19163912first seen 2026-09-10 04:38:13
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