生物质气化生产<italic style="font-style: italic">α</italic>-烯烃工艺公用工程的生命周期评价及多目标优化

奚传栋; 杨子旭; 曹晨熙; 韩一帆

doi:10.12434/j.issn.2097-2547.20240159

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生物质气化生产α-烯烃工艺公用工程的生命周期评价及多目标优化

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- 生物质气化生产α-烯烃工艺公用工程的生命周期评价及多目标优化
- Life cycle assessment and multi-objective optimization of utility system of biomass gasification process for α-olefins production
- 低碳化学与化工 2025, 50(1): 65-75.
- 作者机构：
  
  1.华东理工大学化学工程联合国家重点实验室，上海 200237
  2.华东理工大学能源化工过程智能制造教育部重点实验室，上海 200237
  3.郑州大学先进功能材料制造教育部工程研究中心，河南郑州 450001
- 作者简介：
  
  奚传栋（1999—），硕士研究生，研究方向为化工过程模拟优化，E-mail：hyper1061163236@163.com。
  杨子旭（1987—），博士，副教授，研究方向为低碳能源化工，E-mail：zixu.yang@ecust.edu.cn；
  曹晨熙（1989—），博士，副教授，研究方向为智能化工，E-mail：caocx@ecust.edu.cn；
  韩一帆（1968—），博士，教授，研究方向为CO2加氢制化学品，E-mail：yifanhan@ecust.edu.cn。
- 基金信息：
  
  国家自然科学基金(22238003;22378118;22278405);化学工程联合国家重点实验室开放课题(GZA01220102)
- DOI：10.12434/j.issn.2097-2547.20240159
  中图分类号： TQ221.2;X828
- 纸质出版日期：2025-01-25，
  
  收稿日期：2024-04-16，
  
  修回日期：2024-06-25，
- 稿件说明：
移动端阅览
奚传栋, 杨子旭, 曹晨熙, 等. 生物质气化生产α-烯烃工艺公用工程的生命周期评价及多目标优化[J]. 低碳化学与化工, 2025,50(1):65-75.

XI CHUANDONG, YANG ZIXU, CAO CHENXI, et al. Life cycle assessment and multi-objective optimization of utility system of biomass gasification process for α-olefins production. [J]. Low-carbon chemistry and chemical engineering, 2025, 50(1): 65-75.
奚传栋, 杨子旭, 曹晨熙, 等. 生物质气化生产α-烯烃工艺公用工程的生命周期评价及多目标优化[J]. 低碳化学与化工, 2025,50(1):65-75. DOI： 10.12434/j.issn.2097-2547.20240159.

XI CHUANDONG, YANG ZIXU, CAO CHENXI, et al. Life cycle assessment and multi-objective optimization of utility system of biomass gasification process for α-olefins production. [J]. Low-carbon chemistry and chemical engineering, 2025, 50(1): 65-75. DOI： 10.12434/j.issn.2097-2547.20240159.

摘要

公用工程优化在节能减排中具有重要作用。为了有效提升生物质气化生产

-烯烃工艺的经济效益和环境绩效，采用非支配排序遗传算法II（NSGA-II），以经济成本和环境影响最小为目标，构建了生命周期公用工程系统多目标优化模型。分别选择煤、天然气和不凝气作为系统燃料，同时引入脱硫脱硝过程以满足SO

和NO

的排放标准。对比了优化前后工艺全流程的生命周期评价结果，验证了该优化方法的有效性。结果表明，在成本优先的情况下，选择煤和不凝气作为系统燃料能够获得较优的解决方案，其经济成本为115.56 CNY/h。在环境优先的情况下，选择天然气和不凝气作为系统燃料更具优势，其环境影响评价为3.92 × 10

-12

-1

。经过多目标优化（优化方案2B），工艺全流程的全球变暖潜力降低了24.54%，酸化潜力降低了30.55%，富营养化降低了4.20%，颗粒物降低了71.03%，其他环境影响类别评价亦有所改善。这验证了本文优化方法在促进

-烯烃生产工艺向可持续发展转型中的应用潜力。

Abstract

Utility optimization plays a crucial role in energy conservation and emission reduction. To effectively enhance the economic and environmental performance of the biomass gasification process for

-olefin production

a multi-objective optimization model for the life cycle utility system was constructed using the Non-dominated Sorting Genetic Algorithm II (NSGA-II)

targeting minimal economic cost and environmental impact. Coal

natural gas

and non-condensable gas were selected as system fuels

with desulfurization and denitrification processes introduced to meet SO

and NO

emission standards. The life cycle assessment results before and after optimization were compared to verify the effectiveness of the optimization method. The results indicate that

under cost-prioritized conditions

selecting coal and non-condensable gas as system fuels provides a more optimal solution

with an economic cost of 115.56 CNY/h. Under environment-prioritized conditions

selecting natural gas and non-condensable gas as system fuels is more advantageous

with an environmental impact assessment of 3.92 × 10

-12

-1

. After

multi-objective optimization (optimized scheme 2B)

the global warming potential of the entire process

acidification potential

eutrophication potential and particulate matter are reduced by 24.54%

30.55%

4.20% and 71.03%

respectively

and improvements also observe in the assessments of other environmental impact categories. This validates the potential application of the optimization method in promoting the sustainable development transition of the

-olefin production process.

关键词

生命周期评价生物质气化α-烯烃生产工艺公用工程多目标优化

Keywords

life cycle assessmentbiomass gasificationα-olefin production processutility systemmulti-objective optimization

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生物质气化生产α-烯烃工艺公用工程的生命周期评价及多目标优化

Life cycle assessment and multi-objective optimization of utility system of biomass gasification process for α-olefins production

DOI：10.12434/j.issn.2097-2547.20240159

摘要

Abstract

关键词

Keywords

references