Distribution of the dispersed aerosol phase in a bag filter

Translated from Khimicheskoe i Neftyanoe Mashinostroenie, No. 9, pp. 21–22, September, 1989.     

“Ion” model of physicochemical kinetics of collector’s sorptive layer formation on galena grain surface

In terms of galena, the authors specify construction principles for “ion” modeling of kinetics of surface layer formation on grains of sulfide minerals of nonferrous heavy metals during flotation. The physical sense of the models consists in connection of parameters of ions within liquid phase of flotation pulp with relative fractions of mineral grain surface. Commercial tests proved the hypothesis on formation of sorptive layer of sulfhydryl collectors on the surface of sulfide mineral grains under flotation conditions.     

Numerical and experimental modeling of turbulent flows in furnace chambers

Results are presented from an experimental and numerical modeling of two-dimensonal turbulent flows in furnace chambers. The article follows the evolution of the flow patterns with a change in the configuration of the chamber. The range of validity of the study results are discussed.Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 59, No. 6, pp. 948–956, December, 1990.     

Characteristic features of the interaction of porous silicon with heavy water

The interaction of porous silicon (por-Si) with heavy water (D₂O) was investigated by means of time-resolved photoluminescence and infrared Fourier spectroscopy. It is shown that contact of por-Si with D₂O leads to anomalously rapid oxidation of its surface — at a rate at least an order of magnitude higher than the oxidation rate of por-Si in ordinary (protium) water. The oxidation process transforms the chemical composition of the por-Si surface and is accompanied by abrupt changes in the spectral and temporal characteristics of the photoluminescence. Assumptions are made concerning the nature of the interaction of porous silicon with heavy water. Fiz. Tekh. Poluprovodn. 32, 1016–1018 (August 1998)     

Electrochemical parameters and control of electrochemical conditioning of mineral suspensions for flotation of sulfides of heavy nonferrous metals

Steel and Alloys Institute, Moscow. Translated from Fiziko-Tekhnicheskie Problemy Razrabotki Poleznykh Iskopaemykh, No. 3, pp. 97–104, May–June 1991.