Drobonog N. Technology of recovery of vanadium and molybdenum substances from the spent catalysts

тechnology of recovery of vanadium and molybdenum substances from the spent catalysts; development of technology of recovery of vanadium and molybdenum substances from the spent catalysts; atomic-adsorption spectroscopy, the structural, weight-spectrometer, differential-thermal, electron-microscopic analysis, chelatometry; theoretical fundamentals of recovery of vanadium and molybdenum substances from the spent catalysts with the obtaining the chemical products; the use oxidation roasting for elimination of hydrocarbons, carbon and sulfur from the spent catalysts and the mathematical model of processes oxidation roast-ing; the features of processes of precipitation of compounds of vanadium, molybdenum and nickel at combination of them in solution; industrial tests; enterprises of chemical industry