Advances in Catalytic Hydrogenation of Liquid Organic Hydrogen Carriers (LOHCs) Using High-Purity and Low-Purity Hydrogen

IF 3.8 3区 化学 Q2 CHEMISTRY, PHYSICAL
ChemCatChem Pub Date : 2024-09-17 DOI:10.1002/cctc.202401278
Safira Ramadhani, Quan Nguyen Dao, Yoel Imanuel, Muhammad Ridwan, Hyuntae Sohn, Hyangsoo Jeong, Keunsoo Kim, Chang Won Yoon, Kwang Ho Song, Yongmin Kim
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引用次数: 0

Abstract

Liquid organic hydrogen carriers (LOHCs) are emerging as a promising solution for global hydrogen logistics. The LOHC process involves two primary chemical reactions: hydrogenation for hydrogen storage and dehydrogenation for hydrogen reconversion. In the exothermic hydrogenation reaction, hydrogen-lean compounds are converted to hydrogen-rich compounds, storing hydrogen from various sources such as water electrolysis, fossil fuel reforming, biomass processing, and industrial by-products. Conversely, hydrogen is extracted from hydrogen-rich compounds through an endothermic dehydrogenation reaction and supplied to several hydrogenation utilization offtakers. This review article discusses the development trends in catalytic hydrogenation processes for various LOHC materials, including benzene, toluene, naphthalene, biphenyl-diphenylmethane, benzyltoluene, dibenzyltoluene, and N-ethylcarbazole. It introduces references for catalytic hydrogenation processes utilizing both high-purity and low-purity (alternatively, mixed) hydrogen feedstocks, with particular emphasis on low-purity hydrogen applications. The direct storage of hydrogen with minimal purification, using by-product hydrogen and mixed hydrogen from hydrocarbon and biomass reforming, is crucial for the economic viability of this hydrogen carrier system.

Abstract Image

使用高纯和低纯氢催化液态有机载氢体 (LOHC) 加氢的研究进展
液态有机氢载体(LOHC)正在成为全球氢物流的一种前景广阔的解决方案。液态有机氢载体过程包括两个主要化学反应:氢储存的氢化反应和氢再转化的脱氢反应。在放热氢化反应中,无氢化合物转化为富氢化合物,储存来自各种来源的氢,如电解水、化石燃料重整、生物质加工和工业副产品。反之,则通过内热脱氢反应从富氢化合物中提取氢气,并供应给多个氢化利用承购商。这篇综述文章讨论了各种 LOHC 材料催化加氢工艺的发展趋势,包括苯、甲苯、萘、联苯、二苯基甲烷、苄基甲苯、二苄基甲苯和 N-乙基咔唑。该书介绍了利用高纯度和低纯度(或者混合)氢气原料的催化加氢工艺的参考资料,特别强调了低纯度氢气的应用。利用碳氢化合物和生物质重整产生的副产品氢气和混合氢气,以最低的纯度直接储存氢气,对于这种氢载体系统的经济可行性至关重要。
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来源期刊
ChemCatChem
ChemCatChem 化学-物理化学
CiteScore
8.10
自引率
4.40%
发文量
511
审稿时长
1.3 months
期刊介绍: With an impact factor of 4.495 (2018), ChemCatChem is one of the premier journals in the field of catalysis. The journal provides primary research papers and critical secondary information on heterogeneous, homogeneous and bio- and nanocatalysis. The journal is well placed to strengthen cross-communication within between these communities. Its authors and readers come from academia, the chemical industry, and government laboratories across the world. It is published on behalf of Chemistry Europe, an association of 16 European chemical societies, and is supported by the German Catalysis Society.
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