Optimal Design and Scheduling for Integrated System of Carbon Capture Power Plant with Power-to-Liquid/Gas Technologies

IF 3.9 3区工程技术 Q2 ENGINEERING, CHEMICAL

Industrial & Engineering Chemistry Research Pub Date : 2026-10-09 DOI:10.1021/acs.iecr.6c02824

Lei Wang,Zongyue Tang,Ruxing Gao,Chundong Zhang,Ki-Won Jun,Seok Ki Kim,Hui Wan,Guofeng Guan,Wenheng Jing

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引用次数: 0

Abstract

Abstract In order to decarbonize coal-fired power plants (CFPPs), this study proposed an integrated system combining CFPPs and carbon capture technologies and utilizing the power-to-liquid/gas (PTL/PTG) approach to convert captured CO2 into high-value-added syncrude and synthetic natural gas (SNG). Afterward, a two-level scheduling model was developed to optimize both economic efficiency and low-carbon performance. The first level applied a price-based demand response mechanism to adjust the electricity load and determine the optimal time-of-use price, while the second level employed a time-related scheduling mode for the system configuration. As a result, for a typical 600 MWe CFPP, the highest daily profit can reach $484367, exhibiting improvements of 12.59% and 14.69% over systems operating under fixed operation conditions and electricity prices, respectively. Additionally, we also investigated the impact of varying electricity, syncrude, and SNG prices on system performance and compared the highest profits with systems incorporating carbon capture and storage technologies.

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电转液/气技术碳捕集电厂集成系统优化设计与调度

摘要为了实现燃煤电厂脱碳，本研究提出了一种将燃煤电厂与碳捕集技术相结合的集成系统，利用电-液-气（PTL/PTG）方法将捕集的二氧化碳转化为高附加值的合成原油和合成天然气（SNG）。在此基础上，建立了两级调度模型，以实现经济效益和低碳绩效的双重优化。第一层采用基于价格的需求响应机制调整电力负荷，确定最优分时电价；第二层采用与时间相关的调度模式进行系统配置。因此，对于典型的600mwe CFPP，最高日利润可达484367美元，比固定运行条件和电价下运行的系统分别提高12.59%和14.69%。此外，我们还研究了不同的电力、合成原油和天然气价格对系统性能的影响，并将最高利润与采用碳捕获和储存技术的系统进行了比较。

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来源期刊

Industrial & Engineering Chemistry Research 工程技术-工程：化工

CiteScore

7.40

自引率

7.10%

发文量

1467

审稿时长

2.8 months

期刊介绍： ndustrial & Engineering Chemistry, with variations in title and format, has been published since 1909 by the American Chemical Society. Industrial & Engineering Chemistry Research is a weekly publication that reports industrial and academic research in the broad fields of applied chemistry and chemical engineering with special focus on fundamentals, processes, and products.