The Ust-Kamenogorsk Metallurgical Complex (UKMC) is an independent division of Kazzinc LLC with a closed-loop manufacturing process. The company is primarily engaged in production of rare nonferrous metals and alloys.
RFG and URFM bag filter models are the most commonly used at UKMC. Bag regeneration is by blowback and shaking; the filters have been in operation for over 50 years, and the residual dust content is 10–15 mg/m3 of gas. The company is actively working to upgrade these filters through introduction of a pulsed bag regeneration system to increase gas throughput by 50% and reduce the residual dust content to a maximum of 1 mg/m3 of gas.
The authors’ proposed upgrade of the URFM-1 filter to FRKI-3800 filters will reduce fugitive intake of ambient air by 15% and lower atmospheric emissions of lead-containing dust by 4 metric tons/yr. The annual cost savings from the upgrade will exceed 40 million tenge (approximately 116,000 U.S. dollars), in the form of reduced emission fees and lower electric power consumption for handling process gases.
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Notes
Draft Standards for Maximum Permissible Atmospheric Emissions at Kazzinc LLC UKMC2015–2019. Revision. Asiatic Environmental Auditing Company, 2014.
Engineering Reference Handbook of Best Available Technologies for Treatment of Atmospheric Emissions of Hazardous Substances (Pollutants) for Product (Goods) Manufacturing Operations, and for Performing Operations or Performing Services at Large Plants, approved by Russian Federation Government Decree No. 2674-r dated December 24, 2014.
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D. A. Asanov, V. V. Zapasnyi, N. A. Kulenova, B. Zh. Medikhanov, and A. T. Ermekova, “Improving the design of the FRI-1600 bag filter in the dust-cleaning section of the Ridder Metallurgical Complex at Kaztsink,” Metallurgist, 57, No. 11–12, 1076–1081 (2013).
V. Yu. Kushnarev (Kazzinc LLC) and N. I. Cherepanov (D. Serikbaev East Kazakhstan State Technical University, Ust-Kamenogorsk, Republic of Kazakhstan) also participated in this project.
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Translated from Metallurg, Vol. 62, No. 7, pp. 9–14, July 2018.
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Zapasnyi, V.V., Asanov, D.A., Takeev, K.B. et al. Environmental Protection Improvement of Fabric-Filter Cleaning of Process and Ventilation Gases at the Kazzinc LLC Ust-Kamenogorsk Metallurgical Complex. Metallurgist 62, 611–617 (2018). https://doi.org/10.1007/s11015-018-0699-6
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DOI: https://doi.org/10.1007/s11015-018-0699-6