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Introduction: Due to the shortage of global oil resources, companies such as UCC in the United States and Ubiquitous in Japan have also carried out research and development on new processes for producing ethylene glycol from natural gas and coal via syngas. In industrial tests with a capacity of 6,000 tons per year, an ethylene glycol yield of around 97% was achieved. The Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, was the first research institution in China to carry out related studies, achieving good results. “\"Coal-based ethylene glycol\" refers to the production of ethylene glycol using coal instead of petroleum ethylene. Leveraging more than 20 years of technical expertise, the Fujian Institute of Research on the Structure of Matter under the Chinese Academy of Sciences has joined forces with enterprises to successfully develop a complete set of technologies for \"the catalytic gas-phase synthesis of oxalate esters from CO on a ten-thousand-ton scale, and the catalytic hydrogenation of oxalate esters to produce ethylene glycol\" (referred to as \"ethylene glycol production from coal\"). Ethylene glycol is primarily used in the PET polyester industry and is a key raw material for producing polyesters. As an important organic chemical raw material, ethylene glycol is the primary material used in the production of PET polyester; globally and in China, it accounts for 83% and 96% of the total consumption of ethylene glycol in the PET polyester industry respectively. Due to the shortage of global oil resources, companies such as UCC in the United States and Ubiquity Corporation in Japan have also carried out research and development on new processes for producing ethylene glycol from natural gas and coal via syngas. In industrial trials with a capacity of 6,000 tons per year, an ethylene glycol yield of around 97% was achieved. The Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, was the first research institution in China to carry out related studies, achieving good results. According to the report \"Analysis of the Development Status and Investment Recommendations for China’s Coal-based Ethylene Glycol Industry from 2017 to 2022\" published by Boshi Data, the global coal-based ethylene glycol market has maintained steady growth; in 2015, the global production of coal-based ethylene glycol was 1.938 million tons, while consumption was 1.936 million tons. http://img.yf116.cn/image/img/20170516/17428614681.jpg The global market size for coal-based ethylene glycol in 2014 was 1.35 billion dollars, while it was 1.41 billion dollars in 2015, representing a year-on-year increase of 4.4%. http://img.yf116.cn/image/img/20170516/17526150241.jpg Europe and the Eurasian continent are the regions with the richest coal resources in the world, accounting for 34.8% of the global total, which amounts to 310.538 billion tons. The Asia-Pacific region comes next, with 32.3% of the global coal resources, equivalent to 288.328 billion tons.