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Perovskite Catalysts for Biomass Valorization
ACS Catalysis ( IF 11.3 ) Pub Date : 2023-05-30 , DOI: 10.1021/acscatal.2c06147
Hamidreza Arandiyan 1 , Putla Sudarsanam 2 , Suresh K. Bhargava 1 , Adam F. Lee 3 , Karen Wilson 3
Affiliation  

Biomass is a widely used renewable energy source, whose uptake is growing due to concerns about the impact of anthropogenic fossil fuel combustion on climate change. Waste biomass-derived fuels and chemicals offer a partial solution to reducing global reliance on fossil fuels in pursuit of Net Zero 2050 CO2 emissions, in concert with environmental, health, and economic benefits. Biorefineries aim to convert biomass resources such as forestry and agricultural waste into diverse product streams, akin to the processing of nonrenewable fossil fuels by petrochemical refineries. However, realizing this ambition requires design of hydrothermally stable catalysts with tunable redox properties and acid–base character to promote molecular deoxygenation or the interconversion of oxygen functionalities. Perovskite oxides of general formula ABO3 (where A = rare or alkaline earth cations and B = transition metal cations) exhibit structural flexibility and diverse surface chemistry; ∼90% of all metals can be introduced to perovskite oxides. Here, we review recent developments in the use of perovskite oxide catalysts for biomass valorization, focusing on structure–reactivity relationships in hydroprocessing, oxidation, steam reforming, and acid–base reactions. Prospects and challenges for the broader application of perovskite oxide catalysts to biomass valorization are also highlighted.

中文翻译:

用于生物质增值的钙钛矿催化剂

生物质是一种广泛使用的可再生能源,由于人们担心人为化石燃料燃烧对气候变化的影响,其使用量正在不断增长。废弃生物质衍生燃料和化学品为减少全球对化石燃料的依赖以实现 2050 年 CO 2净零排放提供了部分解决方案排放量,与环境、健康和经济效益相结合。生物精炼厂旨在将林业和农业废物等生物质资源转化为多种产品流,类似于石化精炼厂对不可再生化石燃料的加工。然而,实现这一目标需要设计具有可调氧化还原性质和酸碱特性的水热稳定催化剂,以促进分子脱氧或氧官能团的相互转化。通式ABO 3的钙钛矿氧化物(其中 A = 稀土或碱土金属阳离子,B = 过渡金属阳离子)表现出结构灵活性和多样化的表面化学性质;〜90%的所有金属都可以引入钙钛矿氧化物。在这里,我们回顾了钙钛矿氧化物催化剂用于生物质增值的最新进展,重点关注加氢处理、氧化、蒸汽重整和酸碱反应中的结构-反应性关系。还强调了钙钛矿氧化物催化剂在生物质增值中更广泛应用的前景和挑战。
更新日期:2023-05-30
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