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The first industrial pilot project for high-temperature Fischer-Tropsch coal-to-oil synthesis was completed

2018-08-23View Original

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The handover ceremony for the first industrial pilot project for high-temperature Fischer-Tropsch coal-to-oil production was held on August 15, 2018. The intermediate handover meeting for the comprehensive utilization industrial pilot project of Shaanxi Future Energy Chemical Co., Ltd., which was overseen by Hualu Technology as the general contractor, took place successfully in the central control room of Future Energy. Since the project commenced on June 10, 2017, the design, procurement, and construction teams have worked together closely, focusing on the goals related to project quality and schedule. Adhering to the principles of safety first and quality assurance, and leveraging the advantages of the general contracting approach, they have implemented measures such as scientific management, safety management, optimized organization, and the gradual establishment of safety responsibility systems. These efforts have ensured the effective operation of both the safety management system and the quality management system. As a result, the first-pass success rate for welding process pipelines reached 99.28%, and the project was free from any quality or safety incidents for 432 consecutive days. This has enabled the project to meet all its control objectives, facilitating the successful transition from individual unit tests to integrated system tests. The project is constructed within the 1 million tons per year coal indirect liquefaction demonstration plant of Shaanxi Future Energy. It mainly comprises two units: high-temperature Fischer-Tropsch synthesis and catalyst reduction. The main raw materials and utility systems for this project are based on the first-phase 1 million-ton coal indirect liquefaction project, while the synthesis and catalyst reduction units are designed primarily on the basis of the existing 5,000-ton/year pilot plant ; Products such as the high-temperature condensate and low-temperature condensate produced by the Fischer-Tropsch synthesis are sent to the first-phase oil processing unit ; The reaction water passes through the reaction water distillation unit, where the mixed alcohol is separated; this mixed alcohol is then sent to the mixed alcohol storage tank ; The reaction off-gases are sent to the Phase 1 decarboxylation unit. As a demonstration project for the deep processing of coal during the 12th Five-Year Plan period, Shaanxi Future Energy Chemical Co., Ltd.’s 1 million-ton low-temperature Fischer-Tropsch coal-to-oil project, having been successfully put into operation and maintained stable and safe operation over an extended period, has led to the inclusion of a subsequent 4 million-ton coal-to-oil project (2 million tons via low-temperature processes and 2 million tons via high-temperature processes) in the coal clean utilization development plan for the 13th Five-Year Plan period. This industrial testing facility was designed specifically to facilitate the construction of high-temperature coal-to-oil projects in a more efficient and rational manner. The location for the subsequent construction of Phase 1 of Shaanxi Future Energy is in the northern area of the Yuheng Industrial Zone, Qinhé Town, Yuyang District, Yulin City, Shaanxi Province. It covers an area of approximately 10 square kilometers, with a total investment estimated at around 69.8 billion yuan. By utilizing the high- and low-temperature Fischer-Tropsch synthesis technology independently developed by Shanghai Yankuang Energy Technology R&D Co., Ltd., a coal indirect liquefaction project with an annual capacity of 4 million tons, along with a supporting coal mining project with an annual capacity of 10 million tons, is planned to be built. Yankuang Group has planned a coal liquefaction facility in Yulin with an annual production capacity of 10 million tons. The first-phase demonstration project for indirect coal liquefaction with an annual output of 1 million tons was brought online in its entirety on August 23, 2015, producing high-quality oil products. The main units of the project include: gasification, gas purification, air separation; a 2 million tons per year low-temperature Fischer-Tropsch synthesis unit, a 2 million tons per year high-temperature Fischer-Tropsch synthesis unit; units for the deep cryogenic separation of PAO at 100,000 tons per year and ethylene and propylene at 500,000 tons per year; a 3.3 million tons per year hydrogenation unit, a 2 million tons per year hydroisomerization unit; an aromatic dewaxing unit at 300,000 tons per year; a circulating fluidized bed aromatization unit at 800,000 tons per year; an alkylation unit at 100,000 tons per year; and an MTBE production unit at 100,000 tons per year, among other downstream units for the refined processing of petroleum products.

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