This paper from the perspective of system theory, coal-fired power generation products - coal ash and fine chemicals, containing substances and applications of a comprehensive summary, the overall, comprehensive analysis of the application of coal ash in all aspects of fine chemical industry, including direct application, chemical change, physical processing and other three aspects, and partly mentioned the use of coal ash and the current use of the scheme of the use of content, while supplementing the approximate price range and use advantages. The progress of the application of powder ash at home and abroad is involved, and finally the advantages and market prospects of the application of powder ash in coatings are put forward. The whole article cites the data presented by several researchers and presents some individual opinions based on the conclusions. Because the application of soot ash as a coating is relatively extensive, this paper finally introduces the advantages of this aspect and summarizes it. By quoting more than 28 reference data and views, the paper introduces the application progress of powdered coal ash in all aspects of fine chemical industry step by step.
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