关键词: 煤制低碳烯烃, 示范工程, 技术开发, 工程进展

Abstract: The article introduces the general process of Shenhua Baotou coal to light olefins demonstration project，which is composed of coal gasification，CO shift and purification，methanol synthesis，methanol to olefin，light olefin recovery，and PE/PP production units. During the construction and operation of the project，technologies like the coal to light olefins integration，engineering，commissioning and operation，C4 processing，waste water treatment，etc. have been developed and mastered. The project commercial operation and results during the past 3 years are also summarized with a conclusion that the coal to light olefins demonstration project has established safe and stable operation and generated good economic returns. Finally，the successful operation of the coal to olefin demonstration project makes China the first country in the world which has developed this commercialized technology. It is also of great importance to China’s efforts to lower the import dependence of oil and basic chemical raw materials.

Key words: coal to light olefins, demonstration project, technology development, project progress