Recently, the Office of the People's Government of Linfen City, Shanxi Province, issued a notice on the action plan for the prevention and control of ozone pollution in Linfen City in 2025, strengthening the preliminary investigation and remediation, implementing precise management and control in key periods, accelerating pollution reduction projects, making every effort to solve the outstanding problems of ozone pollution and promoting the continuous improvement of air quality.
Among them, the key tasks involving the cement industry include:
First, reduce the emissions of NOx-related enterprises. The cement industry strictly implements the requirements of differential peak staggering production in non-heating season, and strictly implements the requirements of air pollution emission standards and double control of total emission concentration in cement industry.
2. In accordance with the requirements of the National Catalogue of Technical Guidance for Pollution Prevention and Control (2024, restricted and eliminated), organize and carry out a "review" of the operation of air pollution control facilities in enterprises, and comprehensively sort out the accounts of the control facilities. Focus on the use of single low-temperature plasma, photooxidation, photocatalysis (except odor control) and non-water-soluble waste gas using a single spray technology, the use of non-control system or control system does not achieve automatic control of key parameters of the facility combustion, condensation, adsorption-desorption VOCs waste gas treatment facilities, and the use of non-control system. The use of denitrification facilities without absorption and treatment devices for oxidation denitrification and spraying denitrification agents in flues, boilers with NOx emission concentrations frequently exceeding the standard, and furnaces and kilns in steel, cement, coking, glass, ceramics, refractories, non-ferrous metals, foundry, lime, brick and tile industries, establish inventory accounts, and organize relevant enterprises to complete upgrading and transformation.
3. We will further promote the transformation of ultra-low emissions in key industries, strictly implement the requirements of the state and provinces, speed up the progress of the transformation of ultra-low emissions in one iron and steel, six coking and 16 cement (including grinding stations) enterprises that have not completed the transformation of ultra-low emissions, and strive to publicize them in accordance with the regulations by the end of October. A, B and leading performance ratings can be carried out for enterprises that have completed the transformation of ultra-low emissions in an all-round way and publicized.
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