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关于在钙循环过程中使用Ca(OH)₂进行碳捕获率概念评估的数据集。

Dataset on the conceptual evaluation of carbon capture rates using Ca(OH) in the calcium looping process.

作者信息

Secomandi Markus, Myöhänen Kari, Ritvanen Jouni

机构信息

Lappeenranta-Lahti University of Technology, LUT School of Energy Systems, P.O. Box 20, FI-53851, Lappeenranta, Finland.

出版信息

Data Brief. 2025 Feb 25;59:111415. doi: 10.1016/j.dib.2025.111415. eCollection 2025 Apr.

Abstract

Carbon capture in industrial processes is essential for mitigating climate change, especially in energy-intensive sectors like cement and power generation. Among the available carbon capture technologies, calcium looping (CaL) stands out as a feasible post-process solution, which typically captures around 90% of emitted CO₂. However, injecting calcium hydroxide (Ca(OH)₂) can increase capture rates to about 99%. This dataset illustrates how introducing Ca(OH)₂ can help trap more carbon dioxide in industrial systems, highlighting the importance of key factors such as the injection rate and the reactor entry point. By offering detailed simulations under various conditions, the dataset serves as a resource for engineers and researchers looking to reduce emissions in challenging industrial environments and develop new models to support process design. The dataset consists of results from a series of 79 simulated cases evaluating the effect of Ca(OH)₂ injection on carbon capture efficiency in the calcium looping process. The simulations were performed using a 1.5D reactor model developed in the Matlab/Simulink environment based on the configuration of the La Pereda pilot plant. The dataset includes Excel files containing detailed case-specific data, including all the solved parameters, such as carbon capture efficiencies, heat balances, reactor temperature profiles, solid circulation rates, gas flow compositions, and the distribution of char, sorbent, and fine Ca(OH)₂ particles. Variables related to the Ca(OH)₂ injection, such as injection flow rate and elevation, are also included to allow examination of their effects on the system. The key parameters are visualized within the files. This dataset provides a valuable resource for researchers working on carbon capture technologies, reactor modelling, and process optimisation. It can be used to validate new models, explore alternative configurations of calcium looping systems, or investigate the interaction of injected Ca(OH)₂ with other system variables. The dataset is particularly relevant for applications involving calcium looping by circulating fluidised bed reactors and high CO₂ capture requirements.

摘要

工业过程中的碳捕获对于缓解气候变化至关重要,尤其是在水泥和发电等高能耗行业。在现有的碳捕获技术中,钙循环(CaL)作为一种可行的后处理解决方案脱颖而出,通常可捕获约90%的排放二氧化碳。然而,注入氢氧化钙(Ca(OH)₂)可将捕获率提高到约99%。该数据集展示了引入Ca(OH)₂如何有助于在工业系统中捕获更多二氧化碳,突出了注入速率和反应器入口点等关键因素的重要性。通过提供各种条件下的详细模拟,该数据集为希望在具有挑战性的工业环境中减少排放并开发新模型以支持工艺设计的工程师和研究人员提供了资源。该数据集由一系列79个模拟案例的结果组成,评估了Ca(OH)₂注入对钙循环过程中碳捕获效率的影响。模拟是使用基于拉佩雷达中试装置配置在Matlab/Simulink环境中开发的1.5D反应器模型进行的。该数据集包括Excel文件,其中包含特定案例的详细数据,包括所有求解参数,如碳捕获效率、热平衡、反应器温度分布、固体循环速率、气流组成以及焦炭、吸附剂和细Ca(OH)₂颗粒的分布。还包括与Ca(OH)₂注入相关的变量,如注入流速和高度,以便研究它们对系统的影响。关键参数在文件中可视化。该数据集为从事碳捕获技术、反应器建模和工艺优化的研究人员提供了宝贵资源。它可用于验证新模型、探索钙循环系统的替代配置,或研究注入的Ca(OH)₂与其他系统变量的相互作用。该数据集特别适用于涉及循环流化床反应器钙循环和高二氧化碳捕获要求的应用。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6a8c/11930175/145bd078cd69/gr1.jpg

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