Authors: A.A. Fedorov, A.A. Syasko, E.F. Redlich

Title of the article: The engineering-geological substantiation of technological schemes in design of Nezhdaninsk gold processing plant tailings dam

Year: 2016, Issue: 4, Pages: 9-18

Branch of knowledge: Earth sciences

Index UDK: 550.8(546.59)

DOI: -

Abstract: The relevance of the research is due to the need to choose a reliable design and technology solutions of organization the tailings in cryolithozone of specific conditions. These tailings have certain features, associated with the fact that they are built in much more difficult conditions and have a significant impact on the environment. At the same time, the tailings have an increased environmental and technogenic danger, so you should pay special attention to the design and subsequent exploitation, ignoring these factors can lead to catastrophic consequences. Obvious examples are the accident at the Kumtor tailing (Kyrgyzstan), Fundao (Brazil), Mount Polley (Canada), and others. The objective of the work: To study the most secure and reliable version of organization the tailings of Nezhdaninsk mining and processing enterprise. The methods of investigation: a comprehensive analysis of factors. Conclusion: In the current environment to provide reliable storage of the gold recovery plant of tailings using upstream and downstream types of tailings organization schemes is not possible, as it requires the use of complex, expensive engineering measures. It is also a high risk of hydrodynamic accident. Examples of tailings disposal in similar enterprises in the conditions of limited storage site and its location on the site of the enterprise objects are missing. The main solution to ensure the safe condition of hydraulic structures of gold recovery plant is the maximum possible reduction in volume of the liquid phase, coming into the storage capacity (landfill), together with tails of enrichment. As the most reliable and secure options for tailings facilities two technological schemes of processing tailings storage facility can be considered and one - hydrometallurgy of tailings, including: - Processing tailings: a) In the "dry" form. b) In the pasty state, in a special section, while maintaining the frozen state of the main body of waste and soil foundation. c) Hydrometallurgy tailing - in the "dry" form, located on a separate site.

Key words: Nezhdaninsk gold ore field tailings dam cryolithozone upstream type downstream type the storage of paste like tailings the storage of "dry" tailings hydrometallurgical tailings

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