Abstract As the global trend towards transition to a “hydrogen society” continues to gain momentum, a lot of studies on alternative hydrogen (H2) production methods are on the rise. Among them, methylcyclohexane (MCH) dehydrogenation in a membrane reactor (MR) is reported here as one possible candidate, affording its enhanced H2 yield and a compact design. In this study, techno-economic analysis and carbon footprint analysis (CFA) of MCH dehydrogenation in an MR are carried out to investigate economic and environmental feasibility providing techno-economic and environmental guidelines for realizing it as mature technology. The economic parameters are determined through process simulation using Aspen Plus®, and the unit H2 production costs are obtained for a packed-bed reactor (PBR) and an MR in H2 production capacities of 30, 100, 300, and 700 m3 h−1. The effects of each economic parameter on the unit H2 production cost are identified through sensitivity analysis (SA) and scenario analysis is performed under various conditions to investigate the effects of technical parameters of the membrane, such as the H2 production capacity, temperature, and H2 permeance on the unit H2 production costs. CFA is also performed to investigate the environmental feasibility of MCH dehydrogenation in an MR by considering CO2 emissions at each part.

中文翻译：

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用于氢气储存和生产的膜反应器中经济高效的双功能甲基环己烷脱氢的概念可行性研究

摘要 随着全球向“氢社会”过渡的趋势不断增强，大量关于替代氢气（H2）生产方法的研究正在兴起。其中，膜反应​​器 (MR) 中的甲基环己烷 (MCH) 脱氢被报告为一种可能的候选方法，可提高 H2 产率和紧凑的设计。在本研究中，对 MR 中 MCH 脱氢进行技术经济分析和碳足迹分析 (CFA)，以调查经济和环境可行性，为将其作为成熟技术实现提供技术经济和环境指导。通过使用 Aspen Plus® 的工艺模拟确定经济参数，并获得填充床反应器 (PBR) 和 30、100、300 和 MR 的 H2 生产能力的单位 H2 生产成本，和 700 m3 h−1。通过敏感性分析（SA）识别各经济参数对单位制氢成本的影响，并在不同条件下进行情景分析，考察膜技术参数的影响，如制氢能力、温度、H2单位 H2 生产成本的渗透率。还进行 CFA 以通过考虑每个部分的 CO2 排放来研究 MR 中 MCH 脱氢的环境可行性。