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Under the background of the global economic trend of low-carbon economy, from the perspective of reality and the long-term perspective, the development of modern coal chemical industry to take the road of cross-industry joint production is an inevitable requirement for achieving high efficiency, energy conservation and environmental protection. Therefore, from now on, it is necessary to highlight multi-party cooperation, break the industry boundaries, and accelerate the development of IGCC (integrated coal gasification combined cycle polygeneration). This was the consensus of the second China IGCC Polygeneration Forum held in Shanghai on March 25th. The consensus was reached by Ni Weidou, academician of the Chinese Academy of Engineering, Fei Weiyang, member of the Chinese Academy of Sciences, and hundreds of experts.
Sinopec Luoyang Petrochemical Engineering Corporation deputy chief engineer Liang Longhu proposed that China is not only a big country with coal resources, but also a big consumer of coal. If it does not change the current consumption structure and trends, the resource outlook is not optimistic. At present, the domestic coal chemical industry is constrained by mature factors of resources, capital, and technology. The coal chemical plant cannot be compared with the scale of large-scale petrochemical plants. In the future, the chemical product market that competes with Taiwan does not necessarily dominate, especially in the Middle East. Under the impact, the competition has become more intense.
The current energy situation has spawned a modern coal chemical industry, which is an inevitable development. Experts believe that the development of coal-based chemicals to provide chemical raw materials that were originally dependent on petroleum, allowing limited oil resources to produce fuel oil products that are in short supply on the market is undoubtedly an effective way to alleviate the shortage of crude oil resources and rely heavily on import pressure.
However, modern coal chemical industry is a highly concentrated industry with capital and technology, and is constrained by many factors such as coal resources, water resources, and environmental protection regulations. How to increase resource utilization, reduce energy consumption and pollution emissions, increase economies of scale, and increase product added value are issues of widespread concern in the industry.
At this forum, experts suggested that multi-industry cross-industry production may be an efficient, energy-saving and environmentally-friendly way for the development of modern coal chemical industry. Separately developing coal-to-oil and coal-to-olefins, even if it can substitute 50 million tons of oil products by 2020, it will consume 200 million tons of coal, which is only 1/10 of the oil demand at that time, and the amount of investment is huge. If coal chemical industry achieves co-production in a broad sense with petrochemicals through cross-industry, it can achieve optimal utilization of resources, maximize energy use, and minimize pollution emissions.
The optimal combination of coal-to-oil and petroleum processing projects can complement each other and do more with less. Liang Longhu analyzed that firstly, raw materials can be complemented, products can be optimized and shared, and public systems can be shared. After the coalition, the coal liquefied primary product can be directly transported to the existing oil refinery as a processing raw material of the refinery and blended with refinery products or further processed. According to foreign experts, the combined fuel oil can reduce the cost by 3 to 5 US dollars per barrel, while greatly reducing carbon dioxide emissions. The second is to optimize the portfolio and increase output and reduce investment. Replacing hydrogen produced by coal with light hydrocarbons from refineries to produce more lighter oils for deep processing of residual oils, and obtaining more than 2 million tons of residual oil per year at 10 million tons of oil refineries. 10,000 to 150,000 tons of light oil and save 800 million to 1 billion yuan in investment. Third, the oil products from coal-to-liquids can be sold through the existing domestic sales networks of Sinopec and PetroChina, which will help reduce the cost of sales.
At present, many domestic industries are developing energy and chemicals. Experts suggested that IGCC is one of the best technologies and carriers for adapting to China's national conditions and achieving full utilization of resources and energy conservation and emission reduction, but it is currently developing slowly in China. To speed up the development of IGCC projects, from an institutional perspective, it is critical to break industry boundaries, eliminate barriers, and highlight multi-lateral cooperation; in terms of understanding, we must make all parties realize that if we delay the current development of polygeneration with coal gasification as the core The timing will significantly increase the cost of treating environmental pollution in China, make it difficult to control future oil imports, and greatly increase the cost of reducing greenhouse gas emissions.
To this end, Academician Ni Weidou pointed out in particular that the major challenge we face today is that from now until 2050, China will have 100 billion tons of coal to use efficiently and with low carbon.
Academician Ni Weidou said that IGCC must have a process of full maturity in technology and therefore does not approve of it. However, within the next five years, it should approve the establishment of 3 to 5 demonstration projects to take steps and promote it steadily. Technically, it is necessary to summarize and improve. Last year, IGCC succeeded in the Fujian Petrochemical Refinery Ethylene project. The project has now been successfully put into operation. In addition, at present, domestic coal-to-methanol production capacity is excessive, but electricity and oil are in short supply. If IGCC is used, half of the production will be olefins and oil products, and the other half will generate electricity.
Now some companies have the enthusiasm of the IGCC project and they also have funds. Ni Weidou suggested that China’s modern coal chemical strategy should be implemented without delay and that the country is at the height of a new round of power construction. The state should consider the best allocation of resources, strengthen macroeconomic regulation and control, formulate policy orientation and planning, and relevant departments should issue carbon tax policies to reduce The platoon projects include IGCC implementation incentives.
General manager Xia Lei of Shanghai Yahua Consulting Co., Ltd., which is engaged in the research of coal chemical industry, believes that coal-fired power companies, coal chemical companies, and oil refining companies will cooperate in the joint development of IGCC project demonstrations to achieve a win-win situation. Prof. Gong Xin of the Institute of Clean Coal Technology at East China University of Science and Technology suggests that a multi-stakeholder consortium of scientific research institutes, chemical design institutes, power design institutes, and multi-industry companies should be formed to jointly promote IGCC industry development. China should be at the forefront of the world.
Modern coal chemical industry development expects "horizontal alliance"
Achieve optimal use of resources, maximize energy use, and minimize pollution emissions