Titlebook: Innovations in Flotation Technology; P. Mavros,K. A. Matis Book 1992 Kluwer Academic Publishers 1992 Fundament.chemistry.electrochemistry.

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Features and Flotation of Complex Cu-Pb-Zn Sulphidespaid to the use of depressants, namely sulphur dioxide and sulphides. Some of the recent research results and industrial experience on the production of selective copper and zinc concentrates are briefly discussed. A case study of flotation of a complex Cu-Zn sulphide ore is outlined.

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Mixing and Hydrodynamics in Flotation Cellsone of the phases. A review of new work in terms of mixing is presented, with particular attention to the effects of turbulence on flotation. The experimental and theoretical work on residence time ditributions in flotation cells is also presented.

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Determination of Floatability Data Using the Emdee? Microflot Methoderformance of continuous flotation systems. The set of subsequent equilibria determined on the head sample by this method constitutes a mineral floatabi- lity spectrum for a given ore/reagent system. The results relate to flotation rate constants in a batch cell, so these data may be used for prediction of batch cell kinetics.

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The Mechanisms of Collector Adsorption-Abstraction (Ionic and Non-Ionic Surfactants) on Heterogeneoupossible association of ionic surfactants with ions in solution that leads to bulk or surface precipitation (three-dimensional condensation on substrate). The importance of the selection of a reference phase and the specific methods to determine the nature of the adsorbed-abstracted phase are discussed.

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Applied Mineralogy and Materials Balancing Procedures. Evaluations of Flotation Concentratorsique. Recoveries are discussed for sphalerite from the Brunswick No. 12 deposit in New Brunswick, Canada; for chalcopyrite, galena, silver and gold from several Canadian deposits; and for Sn from the Kidd Creek deposit in Ontario, Canada.

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Arbeits- und Handlungsweisen zu f?rdern und den Aufbau positiver motivationaler Orientierungen anzuregen. In Bezug auf die Systematisierung politischer Konzepte bildet das Politikkompetenzmodell von Wei?eno et al. (2010) – vermittelt über den Perspektivrahmen Sachunterricht (2013) – eine wesentliche

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