To test production of "coal-to-oil" project independently developed by China

In Erdos City, Inner Mongolia Autonomous Region, one of the major coal producing areas in China, the first production line of the national key project and China's independent research and development of the Shenhua Group's coal direct liquefaction project has now been completed. It has entered the commissioning stage and is expected to be trial-produced in September this year.

Du Fu, mayor of Ordos, told reporters: “In the city of Ordos, known as the “coal sea,” two coal liquefaction projects will be put into production in September this year. In the current situation of high oil prices, the commissioning of these two projects is of extraordinary significance to safeguarding national energy security. ”

The Shenhua Group's coal direct liquefaction project was started in August 2004 with a planned scale of 5 million tons. It is planned to be constructed in two phases. The first phase will consist of three production lines totaling 3.2 million tons. Among them, the first production line has an investment of 12.3 billion yuan, and can convert approximately 3.5 million tons of coal each year, producing 1.08 million tons of diesel, liquefied petroleum gas, naphtha and other products.

Approaching Shenhua Group Coal-to-Liquid Oil Co., Ltd., we saw two large-scale coal liquefaction reactors with a height of nearly 60 meters. The engineers are preparing for trial production. According to the plan, if the production goes smoothly, Shenhua Group will build two more production lines around 2010.

Zhang Shuangwang, chairman of Inner Mongolia Yitai Group Co., Ltd., said that the first 160,000 tons production line will be trial-produced by the end of September. This project is in the Zhunge Banner of Ordos.

As a coal-rich, low-gas, and oil-poor country, coal accounts for more than 70% of China's energy production structure. The current international oil price approaching US$140/barrel puts global energy security at a severe test.

The launch of the coal-to-oil project is an effort by China to actively explore changes in the domestic energy supply structure from the energy production link. However, in the process of project promotion, there are also some questions about the economics of the project and ecological environmental protection.

"Coal directly liquefied into oil, about 1 ton of oil per 3.5 tons of coal, and about 4.2 tons of indirect liquefaction. Based on the current coal pit price, as long as the oil price exceeds 45 dollars per barrel, you can make a profit." The annual production scale can reach 3 million tons, and the cost will be reduced." Jiang Jiansheng, deputy general manager of Yitai Group Coal-to-oil Co., Ltd. said.

In recent years, companies such as China Coal Science Research Institute, Shenhua Group, Chinese Academy of Sciences Shanxi Coal Chemistry Research Institute, Yankuang Group, and research institutes have successively developed coal direct and indirect oil production technologies with independent intellectual property rights. Success.

Li Yongwang, a researcher at the Shanxi Institute of Coal Chemistry of the Chinese Academy of Sciences and deputy director of the State Key Laboratory of Coal Conversion, said that the time for China to advance the industrialization of coal-to-liquids technology has matured.

“The Shanxi Coal Chemistry Research Institute of the Chinese Academy of Sciences is developing a fifth-generation catalyst. After the success, the catalytic efficiency is expected to increase by about 30%, further expanding the profitability of the coal-to-oil project,” said Li Yongwang.

In terms of water consumption and environmental protection, Du Fu, the mayor of Ordos City, said: “The coal-to-oil projects that are about to start will take various measures and technical measures to reduce water consumption and strengthen environmental protection. As local governments have also been committed to strengthening the environment. Monitoring and protection work."

Shenhua Group has set up a dedicated power plant that uses oil dregs as fuel, and the sewage will be recycled after being treated. Coal-fired oil demonstration projects such as the Yitai Group have separately designed waste slag and wastewater reuse, desulphurization, waste heat recovery, and hydrogen recovery systems, and recycled part of the carbon dioxide as a coal powder transport gas.

Experts pointed out that fossil fuels will generate greenhouse gases. The scientific response is to upgrade technology, improve the chain, clean production, implement the Chinese government proposed energy-saving emission reduction policies, maximize energy efficiency, reduce water consumption and "three wastes" emissions.

Subsequent planning for some of China's coal-to-oil demonstration projects has begun to be developed, with scales ranging from 3 million tons to 5 million tons. Coal-producing regions such as Xinjiang, Jiangsu, Guizhou and Shaanxi are also planning or planning to build coal-to-oil projects. Experts predict that by the year 2020, the size of the Chinese coal-to-oil industry will reach 30 million tons to 50 million tons.

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