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The comprehensive utilization project of coal, oil, and gas resources in Yan’an, operated by Shaanxi Yanchang Group, has managed to produce qualified dipropylene ethylene rubber products. Author/Source: Huahua Network – Coal Chemical Industry. Date: April 6, 2019. Clicks: 83. At 00:10 on April 3, the EPDM production unit part of this project, which was under the general contracting of China Chengda Engineering Co., Ltd. (hereinafter referred to as “Chengda Company”), successfully produced qualified dipropylene ethylene rubber products. Thus, all units of the Yan’an coal, oil, and gas resources comprehensive utilization project under the Yanchang Group have achieved full operational capability across the entire process, producing qualified products. The comprehensive utilization project for coal, oil, and gas resources in Yan’an was fully launched in September 2015. Through the joint efforts of over 40 participating companies and tens of thousands of construction workers, various challenges such as complex geological conditions and limited construction space were overcome, and the project was successfully completed by the end of 2017. This achieved a high speed of completion for similar energy and chemical projects in China. Since the project entered the trial production phase in 2018, Yanchang Petroleum has made intensive preparations for the commissioning process; the main process of the project was fully operational on September 16 of that year, and trial production commenced. As of the end of March this year, the project has sold a total of 434,000 tons of various chemical products, generating sales revenue of 3.09 billion yuan. Since 2019, through the hard work of all parties involved in the project and extensive coordination, the railway spur line for this project was officially completed and put into operation on February 26. It is expected to be able to transport 1 million tons of raw coal, 400,000 tons of fuel coal, and 700,000 tons of polyolefin products per year, providing an important guarantee for the company’s normal production activities. With the successful commissioning of the final set of EPDM units, the project has now completed the entire process and produced qualified products. The total investment in the comprehensive utilization project of coal, oil, and gas resources in Yan’an is 21.6 billion yuan. It uses coal, natural gas produced by Yanchang Petroleum, as well as low-quality light oils from refineries as raw materials to produce high-value chemical products such as polyethylene, polypropylene, butanol, 2-propylheptanol, and EPDM rubber. The project is expected to generate significant economic benefits, with an annual output value of 11.3 billion yuan and profits and taxes amounting to 2.34 billion yuan. Following the world’s first comprehensive utilization project for coal, oil, and gas resources in Jingbian, Yulin, this project is another major initiative of Yanchang Petroleum for the comprehensive utilization of coal, oil, and gas resources in Shaanxi Province; it is regarded as the \"sister project\" to those initiatives in Shaanxi Province.