The value of any company can be estimated on the basis of application of three approaches: costing, comparative and profitable. Each of them has advantages and problems of using, yielding various results at an assessment of the companies in insufficiently developed, inefficient and inactive markets. Specifics of mining companies defines a choice of the integrated approach combining elements of costing and profitable approaches. The method of an assessment of value of mining companies on the basis of Olson's model is offered. The assessment of value of JSC Kovdorsky GOK is executed. Influence of the strategic investment project on a gain of value of the company is shown.
The article considers the possibility of autogenous smelting with low siliceous slag in the apparatus with a new way to file a blast in the regime of high-temperature controlled heat transfer.
The article is devoted alternative variant of converting copper metal materials in the converter with intense heat and mass transfer formed by a high-pressure fuel lances. Exploratory studies converting copper metal waste in jet mode rotation were performed on the fire model.
The concept of a company's market value management based on correlation between the systems of financial and strategic management forms the system of integrated indicators of the enterprise activity efficiency. It is shown that a company's market value can act as an indicator of its strategic competitiveness. Essence, factors and principles of company's market value management are defined. The author's classification of methods and models of mining enterprises' value estimation is offered. The methodic approach to mining and chemical enterprises' value estimation is based and applied, the join-stock companies' «Sylvinite», «Uralkali», «Apatit» value estimations were obtained on the basis of the modified Edwards-Bell-Ohlson model.
The solubility of cerium (III) phosphate in the system CePО40,5H2O - solutions of ex-traction phosphoric acids (EPC) and in the system СеРО 4 ·0.5H 2 O - model solutions of H3PO4 depending on temperature and concentration of orthophosphoric acid has been studied. The values of solubility index pS from the pH value of the solution were found.