The article presents comparison of the values of maximum permissible concentrations, revealed during the analysis of the national standards of Russia and Australia in the field of regulation of nitrogen oxides. The impact of poisoning of the workers of the quarry with nitrogen oxides after blasting operations are presented. A detailed review of studies of methods for reducing nitrogen oxide emissions is given. The way of decreasing emission of nitrogen oxides using highly active catalysts as a part of the profiled tamping is offered. Laboratory studies were carried out using a model explosive and pentaerythritol tetranitrate. The results obtained showed that zinc carbonate (ZnCO3) is the most effective. The reduction in the amount of nitrogen oxide emissions was 40% of that released during experiments without the addition of catalysts.
The article provides an analysis of Russian and Australian national documentation on occupational safety and industrial safety for toxic post-blast gases. The main purpose of the article is to present the results of research on the need for a recognized document that would be appropriate for the all countries conducting open cut blasting. The research was performed with two spheres of mine safety in mind, such as occupational health and safety to establish standards for environmental exposure to harmful gases and an industrial safety to establish the sequence of blasting operations to prevent the spread of post-blast gases. In addition, a brief description of the key parameters to be included in the documentation is included.
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