粘合剂选择对生物质催化用沸石基双功能催化剂催化性能的影响

IF 3.4 3区 化学 Q2 CHEMISTRY, PHYSICAL
Jinfei Lu , Shaohua Wang , Yanheng Hao , Lu Lin , Fan Bai , Wenhao Cui , Juan Wang , Qingda An , Peng Tian , Jifeng Pang , Wenhao Luo
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引用次数: 0

摘要

在生物质催化领域,粘合剂的选择对实际催化剂挤出物催化性能的影响还很有限。在此,我们制备了两种基于沸石的双功能挤出物(Ni/LaY-AlO 和 Ni/LaY-SiO)。与 Ni/LaY-AlO 相比,Ni/LaY-SiO 在将γ-戊内酯连续液相氢化为戊酸甲酯的过程中显示出明显更强的耐久性和持续 936 小时的性能。补充性表征研究表明,选择氧化硅作为粘合剂可有效缓解催化过程中的金属团聚、焦炭形成和支撑脱气。这些研究结果表明,在开发用于生物质资源化的工业级双功能催化剂时,粘合剂的选择对催化剂的耐久性至关重要。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Influence of binder selection on the catalytic performance of zeolite-based bifunctional catalysts for biomass catalysis

Influence of binder selection on the catalytic performance of zeolite-based bifunctional catalysts for biomass catalysis

The impact of binder selection on catalytic performance of real catalyst extrudates is still limitedly shown in biomass catalysis. Herein, we have prepared two zeolite-based bifunctional extrudates (Ni/LaY-Al2O3 and Ni/LaY-SiO2). Compared with Ni/LaY-Al2O3, Ni/LaY-SiO2 shows a markedly enhanced durability and sustained performance for 936 h in the continuous liquid-phase hydrogenation of γ-valerolactone into methyl pentanoate. Complementary characterization studies reveal that choosing SiO2 as binder could efficiently mitigate metal agglomeration, coke formation and support dealumination during catalysis. These findings showcase that binder selection is essential for catalyst durability in the development of the industrial-level bifunctional catalysts for biomass valorization.

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来源期刊
Catalysis Communications
Catalysis Communications 化学-物理化学
CiteScore
6.20
自引率
2.70%
发文量
183
审稿时长
46 days
期刊介绍: Catalysis Communications aims to provide rapid publication of significant, novel, and timely research results homogeneous, heterogeneous, and enzymatic catalysis.
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