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Future Energy: Writing a New Chapter in the Efficient and Clean Use of Coal

2023-02-08View Original

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Future Energy: Writing a New Chapter in the Efficient and Clean Use of Coal. Author/Source: Sinochem News Network. Date: February 7, 2023. Clicks: 19. The Party’s *report states that it is necessary to advance the energy revolution, promote the efficient and clean use of coal, and accelerate the development of a new energy system. This imposes higher requirements on the high-quality development of the coal chemical industry, and it also strengthens the confidence and determination to pursue a path of advanced, diversified, and low-carbon development for energy in the future.   After more than 7 years of optimized operation, the 1 million tons per year coal liquefaction demonstration project of Future Energy has not only seen an increase in production volume, but also a significant reduction in the energy consumption per unit of output from the production facilities. The effects of energy saving and carbon reduction are evident, with the comprehensive energy consumption per unit of product being far lower than the advanced levels for oil products produced through indirect coal liquefaction.   By studying the Party’s report in depth, I have come to realize that, given China’s energy and resource profile, there is still room for improving the clean and efficient use of coal, advancing technological upgrades in the modern coal chemical industry, and promoting the green and low-carbon development of the coal liquefaction sector. In the future, future energy will focus on three aspects to promote the green, low-carbon, and high-quality development of enterprises.   First, tap into internal potential to carry out energy-saving and carbon-reduction upgrades. In the future, energy production will continue to increase and consumption to be reduced through efforts focused on coal liquefaction projects on a million-ton scale. Projects such as the comprehensive utilization of low-pressure flash steam heat energy combined with an organic Rankine cycle powered by waste heat from hot water, photovoltaic power generation, and the production of liquefied natural gas from Fischer-Tropsch process exhaust gases will be implemented. Energy-saving and carbon-reduction technological upgrades, such as the recycling of ultrafiltration backwash water from desalinated water, will also be carried out to continuously optimize the operation of the production systems. It is expected that these measures will result in a reduction of 278,200 tons of carbon dioxide emissions per year, as well as a savings of 48,400 tons of standard coal in terms of energy consumption. At the same time, the company plans to build a project for the comprehensive utilization of Fischer-Tropsch synthesis exhaust gases, which is expected to reduce carbon emissions by 172,400 tons per year.   Secondly, end-of-pipe treatment eliminates environmental pollution. If the large amount of waste generated during the coal gasification process is not properly handled, it can cause significant damage to soil and water environments. Eliminating this waste pollution, achieving scientific disposal methods, and turning waste into valuable resources have become important challenges for the sustainable development of the coal chemical industry. In recent years, we have been continuously exploring ways for the green disposal and utilization of gasification slag and biochemical sludge. By collaborating with relevant organizations to advance research through industry-university collaboration, the research and application demonstration project related to functional applications of gasification slag has entered the trial operation phase. Project acceptance is expected to take place in October this year, and it will serve as a model for the harmless, ecological, and resource-based disposal of gasification slag.   Once again, push products toward the end-market and high-end segments. In the future, energy production will leverage its unique advantages in high- and low-temperature Fischer-Tropsch synthesis technology, adhering to a path of differentiated and refined development. It aims to achieve deep integration of high- and low-temperature technologies and products. Special focus will be placed on developing five key industrial chains: α-olefins, high-end refined waxes, coal-based specialty oils, fine chemicals, and synthetic resins. This will help to extend the industrial chain, optimize the product structure, and increase the added value of these products.   The Party’s *report states that it is necessary to advance carbon reduction, pollution control, expansion of green areas, and economic growth in a coordinated manner, while promoting development that gives priority to ecology, emphasizes efficiency and conservation, and adheres to green and low-carbon principles. Achieving green and low-carbon development does not mean slowing down our progress, let alone stopping it; rather, it entails achieving higher-quality development in a better and faster manner on the basis of green and low-carbon principles.   As a key construction project in Shaanxi Province, the 500,000 tons per year synthetic gas high-temperature Fischer-Tropsch chemical production and product expansion project being developed by Future Energy adheres to the green development concept of \"carbon reduction at the source, carbon reduction during the process, and carbon sequestration in products\" from the initial design stage. No new air separation, gasification, purification, or coal-fired boilers will be constructed; instead, technical upgrades will be employed to make effective use of the utility systems and excess raw gas available. By utilizing high-temperature Fischer-Tropsch synthesis technology with independent intellectual property rights, low-value-added products such as C5–C12 compounds, straight-chain C4 hydrocarbons, and propane, which are produced as by-products of the 1 million tons per year coal liquefaction plant, will be further processed to reduce the energy consumption of the plant.   The Party’s *report also states that it is necessary to open up new areas and paths for development, in order to continuously create new drivers and advantages for growth. In line with the overall plans of the **Energy Bureau**, the energy sector will unremittingly push forward with the construction of a coal indirect liquefaction plant with an annual capacity of 4 million tons. Aiming to produce specialty oils, while also focusing on specialty chemicals such as biodegradable materials, efforts will continue to explore pathways for transforming coal chemical industry into a high-end petrochemical industry. Upon completion of this project, the future energy sector will develop a new business model centered on coal liquefaction, with interconnected and complementary industries at all stages, thereby creating a new development framework that encompasses oil products, chemical raw materials, high-end chemicals, end-use consumer goods, as well as services related to pollutant treatment.

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