| 1. |
Cavity elimination technology by isolation and filling with low-strength materials has been used successfully in working mineral
resources by underground mines, including beds of complex structure.
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| 2. |
The technicoeconomic and social effectiveness of cavity elimination that preserves the surface of the earth and the environmental
setting in the area surrounding the mines and the utilization of production wastes and low-quality local mineral resources
endow these technologies with a conservation-oriented value and open new prospects for their use.
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| 3. |
Scientific and engineering principles of resource-saving cavity elimination technologies and years of practical experience
with them should be considered by designers of plans for development of new deposits in mining fields across the country.
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| 4. |
Tested methods of material quality improvement are recommended for large-scale introduction in mining and related industries:
| – |
disintegrator processes of material grinding and activation;
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| – |
vibration equipment for sorting, triturating, and transporting granular and fluid mixtures; and
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| – |
electrochemical water treatment with membrane technologies.
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