摘要
甲醇制芳烃是典型的煤制芳烃技术,既降低了石油的负担,又贯穿着"绿色化学"理念。芳构化反应是一个酸催化强放热反应,其催化剂是在ZSM-5分子筛基础上通过过渡金属元素改性后得到的,用来提高芳烃的选择性。我国甲醇制芳烃技术目前已取得较大的进步,正逐步实现工业化进程。文中主要综述了甲醇制芳烃的机理,国内外芳构化工艺进展,芳构化技术的关键,以及分子筛催化剂的失活问题,最后展望了该领域未来的发展方向和研究热点。
As a typical coal technology, methanol to aromatics （MTA） not only reduces the oil burden, but also embodies the idea of ＂green chemistry＂. Aromatization is a highly exothermic reaction of an acid catalysis, and the catalyst is the molecular sieve especially HZSM-5 which is modified by the transition metal elements. In this way, the selectivity of aromatics increases. MTA technology in China currently makes great progress, and gradually realizes the industrialization. The mechanism of MTA, the technological progress of MTA in the domestic and overseas, the key technology of MTA and the catalyst deactivation were summarized. The trend of development and hot Spot of research of this field in the future were discussed.
出处
《化学工程》
CAS
CSCD
北大核心
2015年第9期74-78,共5页
Chemical Engineering(China)
基金
国家自然科学基金资助项目(21476183)
关键词
芳构化
工艺路线
改性
积碳
aromatization
process route
modification
carbon deposition
