介孔碳-氧化物负载金属催化剂的合成及生物油加氢性能

项目名称： 介孔碳-氧化物负载金属催化剂的合成及生物油加氢性能

项目编号： No.21201153

项目类型： 青年科学基金项目

立项/批准年度： 2013

项目学科： 无机化学

项目作者： 翟赟璞

作者单位： 郑州大学

项目金额： 25万元

中文摘要： 通过快速热解技术将生物质转化为液体生物油，然后再经过加氢精制制备可以替代化石燃料的绿色汽油和柴油，是一项很有吸引力的技术。但是生物油高含氧量、高含水量、热不稳定的特性使生物油加氢精制面临着很大的挑战。设计合成高活性、化学稳定及水热稳定的加氢催化剂已经成为生物油加氢精制成功的关键。在本项目中，我们根据生物油的特性和加氢精制的要求，设计开发新的催化剂。一方面，我们利用多元自组装的方法合成介孔碳和金属氧化物复合的载体，它既能满足高比表面、良好的水热稳定性的要求，又能活化生物油中不同的含氧基团，还能使催化剂具有两亲的特性，同时催化油相和水相中的反应。另一方面，我们以非贵金属作为催化剂活性组分来降低催化剂成本，通过调变催化剂活性组分的组成和粒径大小来提高催化剂加氢效率和活性。项目的进行将有助于我们优化催化剂性能，理解生物油加氢精制的机理，推动生物油产业化应用的进程。

中文关键词： 介孔碳；金属催化剂；生物油；加氢；

英文摘要： Liquid transportation fuels from upgrading of bio-oil produced by fast pyrolysis of biomass are considered as attractive alternatives for the current fossil-derived fuels. However, owing to its high oxygen and water content and thermal instability, the upgrading of bio-oil faces great challenges. Development of novel catalysts with high activity and chemical and hydrothermal stability has become important. In this study, we aim to design novel catalysts for bio-oil upgrading according to the bio-oil properties and hydrotreatment conditions. On one hand, we use multi-component co-assembly method for the preparation of mesoporous carbon and metal oxide composites as catalyst supports, which not only have high surface area, and good hydrothermal stability, but also can activate different oxygen-containing groups in the bio-oil. Moreover, the amphiphilic character of these nanohybrids makes them effective to catalyze reactions in the oil and aqueous phase. On the other hand, we use non-noble metals as active components to reduce the catalyst cost. The catalytic activity of non-noble metals can be improved by modifying their composition and particle size. This project will be helpful to optimize catalysts, understand the mechanism of bio-oil hydrotreating, and promote the process of bio-oil industrial applications.

英文关键词： mesoporous carbon；metallic catalyst；bio-oil；hydrotreating；