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Luan coal-based synthetic oil FTO synthesis tail gas aromatization products produced! Author/Source: Coal Chemical Engineering 114 Forum Date: 2019-09-17 Clicks: 71 “At 11:30 on September 9, the pilot plant for the aromatization of Fischer-Tropsch synthesis exhaust gases successfully carried out its first feeding operation; by 7 p.m., the entire process was operational, and aromatic products were successfully produced! ”Sun Peng, the director of the FTO synthesis workshop at Lu’an Coal-based Synthetic Oil Company, told the reporters excitedly. Since the beginning of this year, Lu’an Group’s Coal-Based Synthetic Oil Company has been continuously optimizing its production processes, and progress has been made on several projects. Following the gasifier’s achievement of a new record by operating stably for 230 days under complex coal quality conditions, the FTO synthesis off-gas aromatization unit also operated stably for 160 hours, successfully producing aromatic products. Sun Peng told reporters, “The successful operation of the pilot plant for the aromatization of Fischer-Tropsch synthesis off-gases has filled the gap in this area in China, providing new impetus for the comprehensive utilization of such off-gases.” ” It is understood that the project on the development of catalysts and reaction processes for the aromatization of Fischer-Tropsch synthesis off-gases is a major low-carbon technology project based on coal, funded by the Shanxi Provincial Department of Science and Technology. This project is carried out by Lu’an Group and the Shanxi Institute of Coal Chemistry, Chinese Academy of Sciences, aimed at researching downstream technologies related to Fischer-Tropsch off-gases. Its technical advantages and features lie in the fact that, compared to platinum reforming processes, ethylene production processes, and catalytic cracking processes, it does not rely on petroleum feedstocks, thereby saving petroleum resources. Moreover, the cost of FTO off-gases is low, and the BTX produced has high economic value, which can effectively improve the profitability of coal-to-oil enterprises. At the same time, this project utilizes inexpensive zeolite molecular sieves as catalysts in its technical process; these catalysts exhibit excellent properties in terms of aromatization, isomerization, alkylation, and resistance to carbon deposition. They are non-corrosive and do not cause pollution, and can be regenerated repeatedly. They offer advantages such as mature technology, low investment costs, and high safety levels. The mature technical infrastructure and good economic value give this approach excellent market prospects. The successful production of aromatized products from F-T synthesis off-gases can further enhance the shape selectivity and stability of molecular sieve catalysts, thereby improving the selectivity of the catalytic conversion process as well as the catalyst’s service life. Additionally, research on raw material compatibility and basic processing techniques can be carried out. When added to gasoline, this product increases its octane rating, that is, its resistance to knocking, making it more resistant to combustion.