将甜菜废料升级为可持续的有机纳米催化剂，用于二氧化碳固定和环碳酸酯合成：一项研究设计调查

IF 3.4 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY International Journal of Mechanical and Materials Engineering Pub Date : 2024-09-20 DOI:10.1186/s40712-024-00178-4

Fateme Moazen, Hossein Eshghi, Hossein Torabi

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引用次数: 0

摘要

由于世界各地各种污染物的增加，环境污染已成为一个重大的全球性问题。为实现环境的可持续发展，必须加强污染物修复战略，提高传统方法的效率或引入创新方法。纳米技术，尤其是碳基纳米材料，因其高表面积和吸收潜力而大有可为。同时，在现代化学研究中，有机催化剂已成为传统金属催化剂的可持续和多功能替代品。本研究重点介绍了从生物质中提取的有机纳米催化剂的合成和应用，特别是一种从甜菜浆中合成的球形碳纳米催化剂。这种新型绿色催化剂具有高选择性和高效率的特点，能在无溶剂条件下成功地将环氧化物和二氧化碳转化为有价值的环碳酸盐。甜菜衍生碳纳米球（SCNS）表面的羟基可作为勃朗斯特德酸位点，通过氢键促进环氧化物的活化。碳基纳米材料与有机催化的结合为污染物修复和绿色化学的发展提供了一种前景广阔的可持续解决方案。

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Upcycling sugar beet waste into sustainable organo-nanocatalysis for carbon dioxide fixation and cyclic carbonate synthesis: a research design study

Environmental pollution is a major global issue due to the increase of various pollutants all over the world. Enhancing pollutant remediation strategies for environmental sustainability necessitates increasing the efficiency of conventional methods or introducing innovative approaches. Nanotechnology, particularly carbon-based nanomaterials, offers substantial promise due to their high surface area and absorption potential. Concurrently, organocatalysts have emerged as sustainable and versatile alternatives to traditional metal-based catalysts in modern chemical research. This study highlights the synthesis and application of organo-nanocatalysts derived from biomass, specifically a spherical carbon nanocatalyst synthesized from sugar beet pulp. This novel green catalyst, characterized by high selectivity and efficiency, successfully converts epoxides and CO₂ into valuable cyclic carbonates under solvent-free conditions. The hydroxyl groups on the Sugar Beet-derived Carbon NanoSphere (SCNS) surface act as Bronsted acid sites, facilitating epoxide activation via hydrogen bonding. The integration of carbon-based nanomaterials and organocatalysis represents a promising, sustainable solution for pollutant remediation and green chemistry advancements.