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Encapsulation of Molybdenum Carbide Nanoclusters inside Zeolite Micropores Enables Synergistic Bifunctional Catalysis for Anisole Hydrodeoxygenation
ACS Catalysis ( IF 12.9 ) Pub Date : 2017-10-31 00:00:00 , DOI: 10.1021/acscatal.7b03175
Takayuki Iida 1, 2 , Manish Shetty 2 , Karthick Murugappan 2 , Zhenshu Wang 2 , Koji Ohara 3 , Toru Wakihara 1 , Yuriy Román-Leshkov 2
Affiliation  

Molybdenum carbide (MoCx) nanoclusters were encapsulated inside the micropores of aluminosilicate FAU zeolites to generate highly active and selective bifunctional catalyst for the hydrodeoxygenation of anisole. Interatomic correlations obtained with differential pair distribution function analysis confirmed the intraparticle structure and the uniform size of the MoCx nanoclusters. The reactivity data showed the preferential production of alkylated aromatics (such as toluene and xylene) over benzene during the hydrodeoxygenation of anisole as well as the minimization of unwanted CH4 formation. Control experiments demonstrated the importance of MoCx encapsulation to generate an efficient bifunctional catalyst with superior carbon utilization and on-stream stability.

中文翻译:

沸石微孔内碳化钼纳米簇的包封可实现双功能催化茴香醚加氢脱氧

碳化钼(MoC x)纳米团簇被封装在硅铝酸盐FAU沸石的微孔内,以生成用于苯甲醚加氢脱氧的高活性和选择性双功能催化剂。通过差分对分布函数分析获得的原子间相关性证实了MoC x纳米团簇的颗粒内结构和均一尺寸。反应性数据表明,在苯甲醚加氢脱氧过程中,烷基化的芳族化合物(如甲苯和二甲苯)优先于苯生成,并且将不需要的CH 4生成减至最少。对照实验证明了MoC x的重要性 包封以生成高效的双功能催化剂,并具有出色的碳利用率和在线稳定性。
更新日期:2017-11-01
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