绿色化学案例库建设——以呋喃类化合物制备生物基对二甲苯为例
Construction of a Case Library for Green Chemistry-Taking the Preparation of Biobased p-xylene from Furan Compounds as an Example
朱丽娟1
作者信息
- 1. 合肥师范学院 化学与制药工程学院,安徽 合肥 230601
- 折叠
摘要
为加强高校与公司的产学研合作,根据绿色化学课程建设现状,及时更新完善教学内容,建设生物质资源开发与利用知识点案例.利用可再生资源直接合成生物基对二甲苯,对促进可再生生物质资源的高效利用和高价值生物基化学品的开发具有重要的科学意义和潜在的应用价值.本文旨在使用具有不同负载量和不同Si/Al比的La2O3 和CeO2 改性沸石来提高对二甲苯(由呋喃产生的)的产率和选择性.在改性沸石上,可以提高呋喃化合物定向转化生成的对二甲苯的产率.PX选择性明显改善,主要是由于非选择性的外部酸性位点的有效去除和改性沸石孔径的减小.
Abstract
Strengthen the cooperation between universities and companies in industry,academia,and research,update and improve teaching content in a timely manner based on the current situation of green chemistry course construction,and build knowledge point cases for biomass resource development and utilization.The direct synthesis of bio-based para xylene from renewable resources has important scientific significance and potential application value in promoting the efficient utilization of renewable biomass resources and the development of high-value bio-based chemicals.The aim of this work is to improve the yield and selectivity of p-xylene(produced by furan)using zeolite modified with La2O3 and CeO2 with different loading capacities and Si/Al ratios.On modified zeolites,the yield of para xylene generated by directional transformation of furan compounds can be increased.The selectivity of PX has significantly improved,mainly due to the effective removal of non-selective external acidic sites and the reduction of modified zeolite pore size.
关键词
Si/Al/HZSM-5/La2O3/CeO2/生物基对二甲苯Key words
Si/Al/HZSM-5/La2O3/CeO2/biobased p-xylene引用本文复制引用
基金项目
合肥师范学院校级质量工程项目(2022xsxx05)
合肥师范学院校级质量工程项目特需项目()
安徽省高校自然科学研究项目(2023AH051292)
出版年
2024
NETL
NSTL
万方数据