各代生物乙醇生产工艺碳减排潜力研究

门继军; 李洪深; 楚洁璞; 魏利; 李十中

doi:10.19912/j.0254-0096.tynxb.2025-0208

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各代生物乙醇生产工艺碳减排潜力研究

更新时间：2026-07-22

- 各代生物乙醇生产工艺碳减排潜力研究
- Vol. 47, Issue 6, Pages: 474-481(2026)
- 作者机构：
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- DOI：10.19912/j.0254-0096.tynxb.2025-0208
  CLC： TK6
- Online First：08 July 2026，
  
  Published：2026
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门继军, 李洪深, 楚洁璞, et al. 各代生物乙醇生产工艺碳减排潜力研究[J]. 2026, 47(6): 474-481.
DOI：

门继军, 李洪深, 楚洁璞, et al. 各代生物乙醇生产工艺碳减排潜力研究[J]. 2026, 47(6): 474-481. DOI： 10.19912/j.0254-0096.tynxb.2025-0208.

摘要

基于清洁发展机制（CDM）方法学框架

在定义边界、基准线排放量和项目活动排放量的基础上

重点分析玉米蒸煮发酵（第1代）、甜高粱固态发酵（第1.5代）和纤维素水解发酵（第2代）3类典型工艺的碳减排特征。通过引入副产物资源化利用的二次减排核算体系

系统揭示各代生物乙醇工艺的最大碳减排潜力。结果表明：在当前技术水平下

第1.5代甜高粱固态发酵技术具有最高的碳减排能力

单位乙醇产量理论最高可减排5.14 t CO2e温室气体;第2代纤维素乙醇在技术创新驱动下展现出更优的碳负排前景。

Abstract

The project boundary

baseline emissions and project emissions of fuel ethanol projects were defined. The greenhouse gas （GHG） emission of 3 generations of bioethanol projects

including corn liquid fermentation

sweet sorghum solid fermentation and cellulose hydrolysis fermentation were analyzed. By introducing a secondary emission reduction accounting system for the resource utilization of by-products

the maximum carbon emission reduction potential of each generation of bioethanol processes was systematically revealed. The results show that the sweet sorghum solid-state fermentation has the highest carbon emission reduction potential

with the maximum theoretical 5.14 ton COe GHG abatement per ton of ethanol production. Cellulosic ethanol has greater carbon negative potential under the background of technological progress.

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