Abstract: Previous achievements on CO2 chemical utilization are reviewed，including CO2 catalytic hydrogenation，ammonification and esterification reaction. The mechanism and catalysts of CO2 hydrogenation reaction are discussed. The synthesis conditions as well as the application of CO2 esterification reaction products are expounded. A novel synthetic method for the preparation of cyanuric acid by CO2 and NH3 is presented in this article. The significance of CO2 chemical utilization to its emission reduction is also explored，and its study trends are prospected. The industrialization of CO2 catalytic hydrogenation and esterification reaction cannot be realized in short term. Through ammonification，synthesizing cyanuric acid with CO2 has the broad prospects for development.

Key words: Keywords: CO2, chemical utilization, CO2 sequestration, catalytic hydrogenation, ammonification reaction, CO2 emissions, chemical utilization, catalytic hydrogenation, esterification reaction, ammonification reaction

摘要： 概述了近年来CO2化学利用的主要研究内容和成果，介绍了CO2的催化加氢反应、氨化反应、酯化反应等化学利用方法。对CO2的催化加氢原理及其催化剂进行了论述，阐述了CO2酯化反应的合成条件及应用，提出了氨化合成三聚氰酸的CO2化学利用新方法。探讨了CO2化学利用对CO2减排的意义，并展望了CO2化学利用的研究方向。认为CO2催化加氢和酯化反应在短期内实现工业化是不可行的，而氨化合成三聚氰酸具有广阔的发展前景。

关键词: 关键字：CO2, 化学利用, CO2封存, 催化加氢, 加氨反应, 二氧化碳减排, 化学利用, 催化加氢, 酯化反应, 氨化反应