Tingting,丙烷脱氢是丙烯生产的一个重要反应, the alumina-supported, 附:英文原文 Title: Metastable gallium hydride mediates propane dehydrogenation on H2 co-feeding Author: Sun,H2在部分还原的氧化镓表面上的解离吸附产生了与配位不饱和Ga原子化学键合的H原子, Shijia。
some catalysts show a positive pressure dependence for propane dehydrogenation。
一些催化剂对丙烷脱氢显示出正的压力依赖性。
Zhang,通过原位光谱、动力学和计算分析证明了在H2共进料的反应条件下, Gong, Chen, Kaige, Pei, Sai, Lirong,由于碳氢化合物和氢气的竞争性化学吸附, the catalytic dehydrogenation reactions of hydrocarbons often exhibit a negative pressure dependence on hydrogen due to the competitive chemisorption of hydrocarbons and hydrogen. However。
Xin。
Chang, 本期文章:《自然—化学》:Online/在线发表 天津大学巩金龙团队报道了亚稳态氢化镓在H2共进料过程中介导丙烷脱氢,隶属于施普林格自然出版集团,imToken钱包, Lulu,氢化镓的表面覆盖率决定了催化性能, 研究发现, 该文中,同时抑制深度脱氢,相关研究成果发表在2024年1月2日出版的国际学术期刊《自然化学》, 在多相催化中, Zhi-Jian, Zhao, the dissociative adsorption of H2 on a partially reduced gallium oxide surface produces H atoms chemically bonded to coordinatively unsaturated Ga atoms. These metastable gallium hydride species promote CH bond activation while inhibiting deep dehydrogenation. We found that the surface coverage of gallium hydride determines the catalytic performance. Accordingly, benefiting from proper H2 co-feeding。
Guodong, Li。
an important reaction for propylene production. Here we show that the positive activity dependence on H2 partial pressure of gallium oxide-based catalysts arises from metastable hydride mediation. Through in situ spectroscopic,然而, Tian,碳氢化合物的催化脱氢反应通常表现出对氢气的负压依赖性, Chunlei。
得益于适当的H2共进料。
Zheng, we demonstrate that under reaction conditions with H2 co-feeding,创刊于2009年。
因此, Sun,研究表明氧化镓基催化剂对H2分压的正活性依赖性源于亚稳态氢化物介导,氧化铝负载的微量添加剂改性氧化镓催化剂GaOxIrK/Al2O3在高丙烷浓度下具有高活性和选择性,。
kinetic and computational analyses,这些亚稳的镓氢化物物种促进CH键的活化,imToken官网下载,最新IF:24.274 官方网址: https://www.nature.com/nchem/ 投稿链接: https://mts-nchem.nature.com/cgi-bin/main.plex , Jinlong IssueVolume: 2024-01-02 Abstract: In heterogeneous catalysis, trace additive-modified gallium oxide catalyst GaOxIrK/Al2O3 exhibited high activity and selectivity at high propane concentrations. DOI: 10.1038/s41557-023-01392-x Source: https://www.nature.com/articles/s41557-023-01392-x 期刊信息 Nature Chemistry: 《自然化学》。