生物质耦合燃煤发电经济环境效益评估

doi:10.11949/0438-1157.20211165

化工学报 ›› 2021, Vol. 72 ›› Issue (12): 6311-6327.DOI: 10.11949/0438-1157.20211165

生物质耦合燃煤发电经济环境效益评估

云慧敏¹(),代建军¹,李辉³,毕晓涛^1,²()

^1.北京化工大学软物质科学与工程高精尖创新中心，北京 100029
^2.英属哥伦比亚大学，生物与化学工程系，清洁能源中心，不列颠哥伦比亚省温哥华 V6T 1Z3，加拿大
^3.湖南省林业科学院省部共建木本油料资源利用国家重点实验室，湖南长沙 410004

收稿日期:2021-08-16 修回日期:2021-10-28 出版日期:2021-12-05 发布日期:2021-12-22
通讯作者: 毕晓涛
作者简介:云慧敏（1987—），女，博士后，yunhuimin@buct.edu.cn
基金资助:
国家重点研发计划政府间国际科技创新合作项目(2018YFE0107400)

Economic and environmental assessment of biomass coupled coal-fired power generation

Huimin YUN¹(),Jianjun DAI¹,Hui LI³,Xiaotao BI^1,²()

^1.Beijing Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
^2.Clean Energy Research Centre and Chemical and Biological Engineering Department, University of British Columbia, Vancouver V6T 1Z3, BC, Canada
^3.State Key Laboratory of Utilization of Woody Oil Resource, Hunan Academy of Forestry, Changsha 410004, Hunan, China

Received:2021-08-16 Revised:2021-10-28 Online:2021-12-05 Published:2021-12-22
Contact: Xiaotao BI

摘要/Abstract

摘要：

建立了生物质直燃、生物质耦合燃煤发电及煤电的经济及环境影响评估模型，对比了四种不同的生物质预处理技术，量化了生物质固体燃料的供应链成本，不同发电策略的度电成本，电力碳排放强度，边际减排成本，以及考虑碳交易情况下的电厂成本收益率。研究发现，生物质耦合燃煤发电较生物质直燃发电是更为低碳的生物质利用路径，且可利用电厂的规模效应，即随着规模增大度电成本降低，成本利润率上升，而直燃发电相反。与煤电相比，耦合发电的度电成本更低，且可受益于碳交易，成本利润率更高。因此，生物质耦合燃煤发电是具有经济与环境效益的煤电淘汰方案。

关键词: 生物质耦合燃煤发电, 生物质预处理方案对比, 经济环境影响评估, 煤电淘汰方案, 碳排放, 边际减排成本

Abstract:

This paper establishes an economic and environmental system evaluation model for biomass direct combustion, biomass-coupled coal-fired power generation, and coal-fired power generation. Four types of biomass pretreatment methods are compared. This work quantifies the supply chain costs of different densified solid biomass fuels, levelized cost of electricity (LCOE), emission intensity (EI), marginal abatement costs (MAC) and the profit rate of cost (PRC) considering carbon trading of different power generation strategies. It is found that biomass coupled coal-fired power generation is a lower-carbon biomass utilization path than direct-fired power generation, and can take advantage of the scale effect, i.e., as the power plant scale increase, the LCOE decreases and the PRC increases, respectively, while the direct-fired power generation is the opposite. In comparison with coal-fired power generation, biomass coupled coal-fired power generation has lower LCOE and can benefit from carbon trading, thus has higher PRC. Therefore, biomass coupled coal-fired power generation is an effective way for coal phase-down program.

Key words: biomass coupled coal-fired power generation, biomass pre-treatment, economic and environmental impacts evaluation, coal phase-down, carbon emissions, marginal abatement cost

中图分类号:

TK 6

云慧敏, 代建军, 李辉, 毕晓涛. 生物质耦合燃煤发电经济环境效益评估[J]. 化工学报, 2021, 72(12): 6311-6327.

Huimin YUN, Jianjun DAI, Hui LI, Xiaotao BI. Economic and environmental assessment of biomass coupled coal-fired power generation[J]. CIESC Journal, 2021, 72(12): 6311-6327.

图/表 4

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生物质耦合燃煤发电经济环境效益评估

Economic and environmental assessment of biomass coupled coal-fired power generation

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