模拟烟气中高效吸附二氧化碳的工程固体胺珠的制备

IF 3.8 3区工程技术 Q2 ENGINEERING, CHEMICAL

Industrial & Engineering Chemistry Research Pub Date : 2025-05-22 DOI:10.1021/acs.iecr.5c00596

Qiaoqiao Teng, Eric Niyonsenga, Penghao Liu, Meiling Wang, Yiwen Cao, Qi Meng, Ninghong Jia, Shengbin Chen

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引用次数: 0

摘要

用四乙基亚胺（TEPA）和聚乙烯亚胺（Mw = 600, PEI600）浸渍两种市购树脂（SQD-96和A110），制备了高度工程化的固体胺珠。在25°C和50°C条件下，对不同树脂的最佳负载进行了测试，结果表明，当TEPA和PEI600的质量比为0.25时（指定为0.25TEPA/PEI600@SQD-96）， SQD-96的吸附性能最好，其次是0.10TEPA/PEI600@A110。经过对结构、形态和稳定性的全面表征和比较，0.25PEI600@SQD-96被确定为最有希望从固定床模拟烟气中循环吸附CO2的候选材料。采用热力学和动力学模型计算了该材料的吸附热和活化能。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Preparation of Engineerable Solid Amine Beads for Efficient Carbon Dioxide Adsorption from Simulated Flue Gas

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Preparation of Engineerable Solid Amine Beads for Efficient Carbon Dioxide Adsorption from Simulated Flue Gas

Highly engineerable solid amine beads were facilely prepared by impregnating two commercially available resins (SQD-96 and A110) with tetraethylenimine (TEPA) and polyethylenimine (Mw = 600, PEI600). The optimal loading of each resin was determined by testing the CO₂ adsorption capacities at both 25 and 50 °C, showing that SQD-96 impregnated with a 0.25 mass ratio of TEPA and PEI600 (designated as 0.25TEPA/PEI600@SQD-96) exhibited the highest performance, followed by 0.10TEPA/PEI600@A110. After thorough characterization and comparison on structure, morphology, and stability, 0.25PEI600@SQD-96 was identified as the most promising candidate for cyclic CO₂ adsorption from simulated flue gas in fixed beds. Thermodynamic and kinetic modeling was additionally used to calculate the adsorption heat and activation energy for this material.

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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.