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Construction Begins on Pyrolysis Phase of 15 Million Tons/Year Coal Conversion Project in Yulin / Author/Source: Refining & Chemical Industry Updates Date: 2020-03-31 Clicks: 6 Recently, the pyrolysis phase of the demonstration project for the clean and efficient conversion of coal at a rate of 15 million tons per year, which is being constructed by Shengbang Technology Co., Ltd., commenced successfully in the Qingshui Industrial Park of the Yushen Industrial Zone in Yulin City, Shaanxi Province! Under the organization of the coal pyrolysis project team at Shengbang Technology Company, the first batch of on-site managers, as well as personnel from the temporary facility construction units and mechanical construction equipment, have now all arrived at the construction site. After nearly two weeks of hard work, the land leveling for the temporary facilities has now been completed, the main materials are being processed, and the construction of the facility foundations has also begun in full swing. Everything is done to ensure the successful delivery and use of the temporary construction facilities by April 10th. By then, the managers of various units involved in the coal dust pyrolysis project, as well as the construction workers, will gradually arrive at the project site to carry out all the on-site construction work related to this project. The second phase of the Shaanxi Coal Group Yulin Chemical’s demonstration project for the selective utilization of coal to produce new chemical materials focuses on coal pyrolysis, and is constructed in two stages. The first stage consists of the pyrolysis startup facilities, which include a coal pyrolysis unit with an annual capacity of 1.2 million tons (based on the dry weight of raw coal), a catalyst production unit with an annual capacity of 35,000 tons, a suspended-bed hydrogenation unit with an annual capacity of 500,000 tons, as well as a combined hydrogenation unit for hydrogen supply solvents and light oil (including a unit for producing hydrogen supply solvents with an annual capacity of 270,000 tons and a unit for hydrogenation and quality improvement with an annual capacity of 400,000 tons). There are also gas desulfurization facilities, a process wastewater treatment unit with an annual capacity of 420,000 tons, as well as coal pyrolysis tanks and related supporting facilities. This project will be constructed simultaneously with Yulin Chemical’s first-phase ethylene glycol plant with an annual production capacity of 1.8 million tons. It will utilize Shengbang Technology’s own patented pyrolysis technology, and is scheduled to be completed and put into operation in June 2021. Shengbang Technology will be responsible for the detailed design, digital delivery, procurement, construction, and overall technical services management for the pyrolysis startup project. Since May 10, 2019, when the pilot project for pyrolysis passed the preliminary design review, Shengbang Technology began working in advance on the detailed design as well as on all the preparations required for EPC bidding. It is reported that Yulin Chemical’s “Demonstration Project for the Production of New Chemical Materials through the Differential Utilization of Coal” is currently the largest coal chemical project under construction in the world. The project covers an area of approximately 13 square kilometers, with an estimated total investment of 125 billion yuan. It represents the highest level of development in the coal chemical industry, featuring the greatest coal processing capacity, the highest degree of industrial integration, the most complex technology integration, and a supply chain that is closest to the end market. This project will have a profound impact on the further development of China’s coal chemical industry and will also determine the extent to which its supply chain can be expanded in the future. The project will be constructed in two phases and four stages, comprising a total of 27 process units along with associated utility systems. These mainly include the medium- and low-temperature pyrolysis of 15 million tons of coal, the production of 5.6 million tons of methanol, 1.8 million tons of ethylene glycol, 2 million tons of MTO, as well as downstream products derived from these intermediates. The first phase of the project is scheduled to come online in June 2021, with the entire project to be completed and operational by the end of 2025. The investment for the first phase of this project is approximately 70 billion yuan, which will be used to build facilities for producing 1.8 million tons per year of ethylene glycol and 2 million tons per year of olefins, as well as a large number of fine chemical products derived from olefins. The facility for producing 1.8 million tons per year of ethylene glycol is part of the first stage of this project, and it represents the largest coal-based ethylene glycol production facility under construction globally. The estimated investment for this facility is 26.5 billion yuan. The project utilizes Collin’s patented dry powder gasification technology and Japan’s Takakemi’s patented technology for producing ethylene glycol from syngas. Shanxi Coal Group Yulin Chemical Co., Ltd. and Nippon Kako Kagaku Co., Ltd. jointly invested in establishing Shanxi Coal Group Yulin Chemical Yugao Chemical Co., Ltd. to build and operate facilities for the production of oxalate esters as well as for the hydrogenation of oxalate esters to produce ethylene glycol.