基于离子液体的生物质转化关键科学问题

项目名称： 基于离子液体的生物质转化关键科学问题

项目编号： No.21336002

项目类型： 重点项目

立项/批准年度： 2014

项目学科： 数理科学和化学

项目作者： 李雪辉

作者单位： 华南理工大学

项目金额： 310万元

中文摘要： 上世纪以来人类物质文明的快速发展主要是以消耗地球上不可再生资源为代价且带来诸如能源危机、环境污染及气候变迁等系列问题。可再生资源的开发及其高效与洁净利用技术是解决人类社会可持续发展的主要手段之一。将可再生的生物质资源直接转化为生物质能源或化工原材料，意义重要且符合“低碳经济”的理念。本项目通过对离子液体中生物质各组分连接键的解离作用及构效规律研究，设计合成可强化解离作用的系列功能化离子液体，用于生物质高效催化转化的目的；同时，通过构筑生物质在离子液体中溶解-原位催化-产物萃取/反应体系或在亚临界流体中（转化过程或转化产物萃取的亚临界流体）而实现生物质高效转化的系列过程强化与耦合；此外，通过设计生物质连续反应过程并建立过程模型等，有望解决基于离子液体的生物质高效转化的关键科学问题。所获得的相关理论与技术，可为生物质转化的工业化设计提供理论指导及基础数据、且可促进化石经济向碳水化合物经济转变。

中文关键词： 生物质;离子液体;高效转化;过程强化;耦合作用

英文摘要： It is well known that great progress achieved in material civilization for human beings in the last century was mainly on the expense of non-renewable global resources, which has brought lots of realistic problems such as energy crisis, environmental pollution and climate change. Hence, the exploitation and development of novel and cleaner technologies for efficient utilization of carbon neutral biomass have been recognized as one of the most predominated approaches for sustainable development of society. Therefore, efficient and direct transformation of abundant and renewable biomass to value-added bioenergy and chemicals is of great significance, which is in good agreement with the concept of low-carbon economy. In this project, a series of novel and functionalized ionic liquids will be reasonably designed and synthesized firstly for efficient conversion of biomass through the investigation of the structure-active relationship between ionic liquids and the dissociation behavior of conjuction bonds in biomass. Furthermore, process intensification and coupling effects for efficient conversion of biomass will be realized by constructing reaction-separation systems of ligincellulose dissolution-in situ catalysis-product extraction/reaction and in subercritical fluids(for both transformaion and reaction processes). Moreover, successive conversion process of biomass and its model will be developed. Hence, the above-mentioned strategies are helpful for resolving the key scientific problems in efficient conversion of biomass, and guiding the efficient transformation and utilization of renewable lignocelluloses in the future, which contributes greatly to the transfering of petrochemical economy to carbohydrate economy.

英文关键词： Biomass;ionic liquid;conversion;process intensification;coupling effects