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All commissioning tests for the 9 turbines in the DMO unit of Shaanxi Coal Yulin Chemical’s ethylene glycol production plant were successful. Author/Source: Gasification World. Date: June 15, 2022. Clicks: 5. On June 13, the turbines in Series 2 and 3 of the DMO unit of Shaanxi Coal Group Yulin Chemical Co., Ltd., which has an annual production capacity of 1.8 million tons of ethylene glycol, reached the desired operating speeds; all parameters met the design requirements, and the system operated stably. All 6 turbines were successfully commissioned on the first attempt, marking the completion of all commissioning tests for the 9 turbines in this unit. This represents another significant achievement in the commissioning process of this ethylene glycol production facility. The demonstration project for the differentiated utilization of coal from Shaanxi Coal Yulin to produce new chemical materials has a total investment of 122.5 billion yuan. It includes 27 processing units along with associated utility systems, and is scheduled to be completed and put into operation in four phases by the end of 2025. The investment for the first phase of the project is approximately 70 billion yuan. The 1.8 million tons per year capacity of ethylene glycol production represents the first stage of this phase, and it is currently the largest coal-based ethylene glycol production facility under construction in the world. The first-phase project utilizes Colin’s patented dry powder gasification technology and Japan’s Takakagaku’s patented technology for producing ethylene glycol from syngas. Shanxi Coal Yulin, in partnership with Nippon Kako Kagaku Co., Ltd., established 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. Project Overview: The Shaanxi Coal Yulin Coal Quality-Based Utilization for the Production of Chemical New Materials Demonstration Project is located in the Qingshui Industrial Park in Yulin. It serves as a pilot project for exploring the modern transformation and development of the coal chemical industry under Shaanxi Coal Group. The total area of the project is approximately 13 square kilometers, with an estimated total investment of 125 billion yuan. Donghua Technology is responsible for the EPC general contracting of dimethyl oxalate (DMO), ethylene glycol (EG), the intermediate tank area, as well as the associated auxiliary facilities; the contract value is nearly 3.818 billion yuan, with an estimated investment for the project at 26.5 billion yuan. Once completed, it will generate an annual output value of around 9.7 billion yuan, and it will contribute approximately 740 million yuan in taxes annually to ** and the local region. It will also drive an increase in the industrial added value of related local industries by about 18 billion yuan. The construction scale of the 1.8 million tons per year ethylene glycol production facility at Yulin Chemical, belonging to Shaanxi Coal Group, is 1.8 million tons of ethylene glycol per year. The construction is not carried out in phases; the entire plant is divided into three units. Each of the units responsible for ethylene glycol synthesis and distillation has a capacity of 600,000 tons per year. The system is highly integrated, resulting in significant economies of scale. The project processes approximately 24 million tons of coal per year. It comprises 27 process units along with the associated utility systems, and mainly includes the pyrolysis of 15 million tons of coal at medium and low temperatures, 5.6 million tons of methanol, 1.8 million tons of ethylene glycol, 2 million tons of olefins, as well as downstream products derived from these intermediates. Among them, the first phase of Project 1, which involves an ethylene glycol production facility with an annual capacity of 1.8 million tons, covers an area of approximately 4.4 million square meters. The total investment required for this project is estimated at around 26.5 billion yuan. It is currently the largest coal-based ethylene glycol production plant under construction in the world, with completion scheduled for June 2021 ； Phase 1, Stage 2 involves the construction of a facility capable of producing 5.6 million tons per year of methanol and 2 million tons per year of olefins, along with related processing units; completion is scheduled by the end of 2023. Phase II of the project focuses on coal pyrolysis and is also divided into two stages. The first stage involves an industrial demonstration facility for 1.2 million tons per year of pulverized coal pyrolysis and 500,000 tons per year of advanced processing of coal tar; completion of the construction is scheduled for June 2021 ； In the second phase, the scale of pyrolysis will be increased to 15 million tons, and the coal tar industry chain will be expanded to produce aromatic hydrocarbons as well as downstream products derived from arylenes. Construction is scheduled to begin in 2022, with all construction work to be completed by the end of 2025.