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The key technology project for co-hydrogenation of coal and heavy oil and product processing passed the comprehensive performance evaluation. Author/Source: Collaborative Group for Advanced Processing and Hydrogenation of Coal Tar. Date: December 15, 2021. Clicks: 15. On December 9, the **key research and development project “Key Technologies for Co-Hydrogenation of Coal and Heavy Oil and Product Processing”, led by Yanchang Petroleum Group, successfully passed the comprehensive performance evaluation. This evaluation was organized by the High-Tech Research and Development Center of the Ministry of Science and Technology under the special program on “Clean and Efficient Utilization of Coal and New Energy-Saving Technologies”. Hu Guangfa, the group’s chief engineer, attended the meeting as the project leader and delivered a presentation. The center, in its role as the project management unit, the organizing unit for the sub-venues, and the entity responsible for the research tasks, organized and participated in this conference. At the meeting, through activities such as listening to reports, watching videos, reviewing documents, and asking questions for discussion, the expert group unanimously agreed that the project passed the comprehensive performance evaluation, and gave full recognition to the research results achieved by the project. By participating in the research, development, and management of this project, the center’s capability to undertake projects at the ** level has been improved. In the future, the center will further enhance its scientific research capabilities as well as its management skills in science and technology, striving to take part in and handle more important provincial and ** level scientific and technological tasks, thereby contributing to the scientific research efforts in the energy and chemical industries of our province and country. On April 19, the **key research and development project “Key Technologies for Co-hydrogenation of Coal and Heavy Oil and Product Processing”**, led by Yanchang Petroleum (Group), successfully passed a 72-hour on-site assessment. With the support of the key research and development program \"Key Technologies for Co-hydrogenation of Coal and Heavy Oil and Product Processing,\" Yanchang Petroleum Group is focusing on advancing key technologies for a 450,000-ton/year coal oil co-refining facility. This technical research achieved a reduction in the viscosity of the oil-coal slurry through the synergistic interaction between coal and heavy oil ； The structure of the vacuum distillation tower was optimized, reducing the amount of oil sludge containing solids and increasing the yield of liquid oil ； Optimization of the pressure reduction system extended the operational lifespan of the device ； Highly efficient Fe-based catalysts were developed, improving conversion and selectivity ； Distillates with high cycloalkanes and low sulfur content were produced ； By localizing the key equipment of the facility, among other measures, the new hydrogenation process for coal and heavy oil was applied in the demonstration plant; as a result, the overall oil yield increased by 9.45 percentage points compared to before the process optimization, while the oil yield (naphtha + diesel) increased by 9.78 percentage points.