Coal chemical industry meets the challenge of environmental protection

wallpapers Industry 2020-12-09
Recently, Professor Zhu KDS made a speech on "clean and efficient utilization of coal industry" at the first "clean and efficient coal industry" conference of Shandong Weifang University. According to him, Shandong University has the world's first clean utilization and development route of carbon emission, which directly stores carbon dioxide into the final products of coal chemical industry. At present, it has cooperated with enterprises to carry out research and demonstration. The mature application of this technology in the future will help to solve the environmental problems in the coal chemical industry. Song Zhichen, a researcher in the energy industry of

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CIC consultants, pointed out that only by solving the environmental problems can modern coal chemical industry really become the main force of clean coal utilization. At present, China's coal economy is in a position of hesitation, which is difficult to change in the short term. The development of coal chemical industry has become an important way to promote the clean and efficient development and utilization of coal. However, coal chemical industry is still a high pollution, high emission and high energy consumption industry. In the future, there will be more environmental protection standards and relevant policies, so coal chemical industry should obtain long-term development Therefore, clean production must be realized through environmental protection technology reform.

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coal chemical industry consumes a lot of water resources and produces a lot of wastewater, so water-saving technology and sewage treatment technology become the key to the development of the industry. China's coal resources and water resources are inversely distributed. For example, the coal reserves of Shanxi, Shaanxi, Ningxia, Inner Mongolia and Xinjiang account for about 76% of the country's total coal reserves, but the total water resources only account for 6.14% of the country's total. Water saving technology will be widely used in coal chemical industry in these areas. Enterprises will tend to choose water-saving technology and equipment and replace water cooling with air cooling technology Technology, and will pay attention to the use of circulating water and condensate recovery. The components of coal chemical industry wastewater are complex and contain toxic and harmful substances such as solid suspended particles, ammonia nitrogen and sulfide. If not handled properly, it is easy to cause water pollution and develop into water shortage. Therefore, wastewater treatment is a problem that all coal chemical projects need to consider, and also determines the benefits of the whole project to a large extent. Compared with the traditional petrochemical industry,

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have a large amount of carbon dioxide emissions from coal chemical industry. Although the state has not issued any hard requirements on carbon emissions for all coal chemical projects, the relevant policies will be issued sooner or later. At present, new coal chemical industry, such as coal to liquid, coal to gas and coal to olefin, are carried out on the basis of coal to methanol, which will inevitably produce a large amount of carbon dioxide. According to the average level of the industry, one ton of coal to olefin will produce about 11.1 tons of carbon dioxide, 8.7 tons of coal to liquid, and 8.25 tons of coal to natural gas. Therefore, under the environment of national energy conservation and emission reduction, coal chemical industry, as a major carbon emitter, will be in the future Facing the pressure of emission reduction is inevitable, speeding up the innovation of carbon emission reduction technology and reducing the cost of carbon capture and storage have become the focus of coal chemical industry.

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coal chemical production in the future must rely on scientific and technological innovation to speed up the pace of environmental protection technology reform. First of all, coal chemical enterprises should increase investment in environmental protection, mainly to optimize, integrate and upgrade the traditional process and related system technology, so as to further reduce production capacity consumption and pollution; secondly, enterprises should actively learn from foreign experience, vigorously promote the comprehensive utilization of waste residue and carbon dioxide, and rely on science and technology to realize real clean production, high efficiency and energy saving; finally, the coal chemical industry should actively learn from foreign experience, vigorously promote the comprehensive utilization of waste residue and carbon dioxide, and rely on science and technology to achieve real clean production and high efficiency and energy saving, According to the market situation and its own advantages, enterprises should continue to track the forefront of environmental protection technology of coal chemical industry, and timely promote the development and application of environmental protection technology of modern coal chemical industry. The government and relevant departments should also encourage enterprises to actively participate in energy-saving and environmental protection projects. Guo Fanli, consultant director and research director of

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, pointed out that water resources and environmental constraints are bottlenecks in the development of coal chemical industry. Like other emerging industries, the solution of industrial problems depends on the government and enterprises to actively take measures. Although China's coal chemical industry is in a difficult position, the stricter environmental protection standards in policy and the overcapacity problem in some product directions have hindered the developing coal chemical industry. However, in the future, with the effective operation of coal to liquid, coal to natural gas, coal to olefin and other emerging industries, the coal chemical industry will gradually enter a better situation, and green environmental protection will become the industry development The inevitable direction of exhibition.


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