Empress Catherine II Saint Petersburg Mining University (St. Petersburg, Russia)

Petrova T. A., Associate Professor, Candidate of Engineering Sciences, Associate Professor, Petrova_TA@pers.spmi.ru
Epishina A. D., Postgraduate Student, s225013@stud.spmi.ru

Corrosion of metal structures at mineral resource complex enterprises is a serious challenge that can result in major economic losses, safety hazards for people and property, as well as severe environmental damage in the case of emergencies with pollutant emissions into the environment caused by leaks in metal pipelines. This article provides specific examples from the operating experience of a number of mining and processing enterprises that are facing the problem of corrosion in equipment, slurry pipes, and other product pipelines. This confirms that the problem of preventing metal corrosion through anti-corrosion protection remains relevant and requires special attention. Currently existing anti-corrosion measures for protecting metal product pipelines have both advantages and disadvantages, expressed in cost, application limitations, environmental impact, and duration of protection. In general, the existing measures are either unable to provide the level of metal protection required for the application or have low efficiency and fail to prevent continuing deterioration of metal structures. This article analyzes the problem of corrosion of metal structures in the mining industry and the existing anti-corrosion protection methods for metals, describes their main advantages and disadvantages, and identifies the most effective anti-corrosion protection method for metal structures in terms of ensuring safe and long-term operation of mining facilities. A layer of non-corrosive non-ferrous metal coating has been found to be one of the most effective anti-corrosion protection solutions. Zinc is the most suitable option for this purpose, both from the point of view of protection efficiency and economic feasibility.

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