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使用完全选择性的Mo-P多组分催化剂通过逆水煤气变换反应进行CO转化

CO Conversion via Reverse Water Gas Shift Reaction Using Fully Selective Mo-P Multicomponent Catalysts.

作者信息

Zhang Qi, Bown Matthew, Pastor-Pérez Laura, Duyar Melis S, Reina Tomas R

机构信息

Department of Chemical and Process Engineering, University of Surrey, Guildford, GU2 7XH, United Kingdom.

出版信息

Ind Eng Chem Res. 2022 Aug 31;61(34):12857-12865. doi: 10.1021/acs.iecr.2c00305. Epub 2022 Aug 19.

DOI:10.1021/acs.iecr.2c00305
PMID:36065445
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9437872/
Abstract

The reverse water gas shift reaction (RWGS) has attracted much attention as a potential means to widespread utilization of CO through the production of synthesis gas. However, for commercial implementation of RWGS at the scales needed to replace fossil feedstocks with CO, new catalysts must be developed using earth abundant materials, and these catalysts must suppress the competing methanation reaction completely while maintaining stable performance at elevated temperatures and high conversions producing large quantities of water. Herein we identify molybdenum phosphide (MoP) as a nonprecious metal catalyst that satisfies these requirements. Supported MoP catalysts completely suppress methanation while undergoing minimal deactivation, opening up possibilities for their use in CO utilization.

摘要

逆水煤气变换反应（RWGS）作为一种通过合成气生产来广泛利用CO的潜在手段，已引起了广泛关注。然而，要在以CO替代化石原料所需的规模上实现RWGS的商业化应用，必须使用储量丰富的地球元素开发新型催化剂，并且这些催化剂必须在高温和高转化率下保持稳定性能并产生大量水的同时，完全抑制竞争性的甲烷化反应。在此，我们确定磷化钼（MoP）是一种满足这些要求的非贵金属催化剂。负载型MoP催化剂在经历最小程度失活的同时完全抑制了甲烷化反应，为其在CO利用中的应用开辟了可能性。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/33c5/9437872/62d344370007/ie2c00305_0004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/33c5/9437872/fd7c34763b7b/ie2c00305_0001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/33c5/9437872/e14dff22e40c/ie2c00305_0002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/33c5/9437872/80eccc8ef08e/ie2c00305_0003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/33c5/9437872/62d344370007/ie2c00305_0004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/33c5/9437872/fd7c34763b7b/ie2c00305_0001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/33c5/9437872/e14dff22e40c/ie2c00305_0002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/33c5/9437872/80eccc8ef08e/ie2c00305_0003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/33c5/9437872/62d344370007/ie2c00305_0004.jpg

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