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| Creator | Title | Description | Subject | Date | ||
|---|---|---|---|---|---|---|
| 1 |
 | Miller, Jan D. | Minerals beneficiation in '69 steps up tonnage, engineering, environmental control and automation: size analysis and flotation chemistry highlighted by basic science researchers | The application of computers to the control and study of mineral processing operations such as grinding, classification and notation has created an interest in simulation studies of these operations with mathematical models. Evidence of this interest is confirmed by papers presented at the 1969 Int... | Mineral processing; Computer simulations; Mathematical models | 1970 |
| 2 |
 | Miller, Jan D. | Hydrometallurgy | The science and technology of hydrometallurgy and chemical processing continues to advance both at the laboratory level and in plant practice. In past decades, hydrometallurgy was rather limited in scope and received relatively little attention, being largely a laboratory curiosity. But curiosity i... | hydrometallurgy; chemical processing; environment; laboratory practice; plant practice | 1972 |
| 3 |
 | Miller, Jan D. | Experimental evaluation of a mineral exposure model for crushed copper ores | Copper mineral inclusions dispersed in crushed ore particles have a certain size distribution (grain-size distribution). For efficient heap leaching processes, the crushing plant should be designed and operated to crush the ore to an appropriate particle-size distribution so that copper mineral grai... | Grains; particles; distribution | 2006 |
| 4 |
 | Miller, Jan D. | Selective flotation of iron oxide | The response of pure goethite and two natural iron ores to flotation with potassium octyl hydroxamate is presented. The ores contained 12.5% and 39.7% iron; concentrates containing 69.5% and 61.5% iron, respectively, were obtained with additions of 0.4 lb/ton hydroxamate. | Goethite; iron; flotation; iron oxide | 1967 |
| 5 |
 | Miller, Jan D. | Interaction forces between toner surfaces | The interaction of toner particles in aqueous solution is of interest with regard to both fundamental and practical aspects of de-inking processes. It has been established for the toner studied that the toner polymeric resin, that is, the block copolymer styrene-methyl methacrylate, more specifical... | Interaction forces; toner surfaces; PMMA | 2000 |
| 6 |
 | Miller, Jan D. | Thermogravimetric/Mass spectrometric (TG/MS) characterization of toner particles from photocopied wastepaper and the impact of these features on flotation deinking | Flotation deinking of photocopies from office waste is known to be much more difficult than the flotation deinking of newsprint. In this regard, research has been undertaken to better understand the phenomena which account for the poor efficiency in the flotation deinking of such office waste. Durin... | Photocopied paper; recycling; deinking; flotation; thermal decomposition; thermogravimetry; Mass spectrometry; differential scanning calorimeter; toner particles | 1995 |
| 7 |
 | Miller, Jan D. | Effect of ink types and printing processes on flotation deinking | Examination of ink types reveals that newsprint oil-based offset-cold and offset-heat inks contain substantial oil (45 to 60%) and resin (5 to 35%), water-based ink contains water (40%) and resin (polystyrene, 30%). These inks are liquids with densities around 1 g/cm3, having various viscosities... | Toners; inks; photocopying; laser printing; flotation; deinking; recycling; office waste; hyrdophobicity | 1997 |
| 8 |
 | Miller, Jan D. | Adsorption mechanisms in nonmetallic activation systems | Adsorption of lead and ferric iron on quurtz and alumina is presented as a function of pH. Only the hydrolyzed species of these metal ions, FeOHt+ and PbOH', adsorb significantly on each of these minerals. Zeta potentials of quartz were measured as a function of pH in the presence of various additio... | Ferric iron; Quartz; Lead; Alumina; Adsorption; pH (Chemistry) | 1970 |
| 9 |
 | Miller, Jan D. | Importance of bitumen viscosity in the hot-water processing of domestic tar sands | The separation efficiency of the hot water digestion-flotation technique used for bitumen recovery from various domestic tar sands was evaluated. Bitumen viscosity was found to be the most important tar sand property in determining the success of the bitumen separation. Bitumen viscosity of the tar ... | tar sand; bitumen viscosity; flotation; hot-water processing | 1983 |
| 10 |
 | Miller, Jan D. | Analysis of the surface potential developed by non-reactive ionic solids | The sign of the surface potential for complex non-reactive ionic solids cannot be predicted solely from consideration of the hydration energy of gaseous ions which constitute the ionic lattice. Accurate analysis of these systems must involve the hydration energy of surface ions, which requires knowl... | Lattice; dipole; madelung constants | 1976 |
| 11 |
 | Miller, Jan D. | Pilot-plant evaluation of a water insoluble hydroxamic acid collector for single stage flotation of Florida phosphate rock | Recent laboratory results have demonstrated that selective flotation of phosphate rock can be achieved in a single stage with improved separation efficiency when compared to the standard double float process. The new reagent chemistry is based on the use of a water insoluble alcoholic solution of ... | Phosphate rock; flotation; double float; separation | 2006 |
| 12 |
 | Miller, Jan D. | Removal of dissolved contaminants from mine drainage | Eleven mill tailing samples from locations throughout the Rocky Mountain region were tested for their effectiveness in removal of dissolved contaminants from mine drainage . With the exception of the sample of the Blaine Mill tailing, the average capacity of the tailings tested was 9.8 mg of iron p... | Mine drainage; Mill tailing; Adsorption; Precipitation; Rocky Mountain Region | 1972 |
| 13 |
 | Miller, Jan D. | Significance of electrokinetic characterization for interpreting interfacial phenomena at planar, macroscopic interfaces | Streaming potential measurements provide valuable information for the validation and interpretation of interfacial phenomena that occur at flat macroscopic surfaces. Planar substrates have been extensively used for the interpretation of events, which occur at particulate surfaces; however, these fla... | Interfacial phenomena; surface charge | 2005 |
| 14 |
 | Chandran, Ravi | Fracture toughness of two Cr2Hf+Cr intermetallic composites as a function temperature | Fracture toughness as a function of temperature was evaluated for two Cr2Hf+Cr intermetallic composites, each in two different microstructural conditions. The proeutectic microstructures based on Cr-6.5Hf (at%) showed a significant increase in fracture toughness with an increase from room temperatur... | fracture toughness; fracture resistance; Intermetallic composites; proeutectic microstructures; eutectic microstructures | 1994 |
| 15 |
 | Miller, Jan D. | Hydroxamate vs. fatty acid flotation of iron oxide | Data were obtained with hematite with octyl hydroxamate and oleate as collectors to determine the mechanism of collector adsorption and also to establish the roles that conditioning time and temperature assume in this system. The presence of hydroxy complexes of iron are apparently necessary for che... | iron ore; fatty acid; hydroxy complexes | 1970 |
| 16 |
 | Miller, Jan D. | Anisotropic character of talc surfaces as revealed by streaming potential measurements, atomic force microscopy, and molecular dynamics simulations | A study of the interfacial properties of the basal plane and the edge surfaces of talc is described in this paper. The isoelectric-point measured at the two different crystallographic planes by the streaming potential method was found to be similar and exists at about pH 3.0. In the case of the edg... | Streaming potential; Scanning electron microscope; Atomic force microscope | 2006 |
| 17 |
 | Miller, Jan D. | Methodology for detailed liberation analysis in mineral processing technology | A transformation equation can be used to describe the relationship between the one, two and three dimensional information regarding the composition of mineral particles of specified size. Linear or areal grade distributions f(gi) can be transformed to an estimate of the volumetric grade distribution... | Volumetric grade; Grade; Distribution | 1986 |
| 18 |
 | Miller, Jan D. | Role of the hydrocarbon chain in anionic flotation of calcite | The response of calcite to flotation with saturated fatty acids and alkyl sulfonates of various chain lengths is presented. The amount of collector required for flotation is shown to decrease systematically with increasing carbon content from 8 to 12-carbon atoms per molecule. This systematic flot... | Hydrocarbon chain; Calcite; pH (Chemistry); Carbon | 1967 |
| 19 |
 | Miller, Jan D. | Metal ion activation in xanthate flotation of quartz | Quartz cannot be floated with potassium amyl xanthate as collector at any pH. Complete flotation is achieved with certain minimal additions of amyl xanthate and Pbtt from pH 5.8 to 8.5 and with amyl xanthate and Znt+ from pH 7.5 to 8.1. The active species of these metal ions responsible for activ... | pH (Chemistry); Xanthate flotation; Metal ions | 1965 |
| 20 |
 | Miller, Jan D.; Herbst, John A. | Factors affecting droplet size distributions produced in dispersed phase mixers | Droplet size distributions were determined by stabilizing in gelatin and measurement of the distributions by means of computerized image analysis. Several variables that affect droplet sizes were studied and the resulting size distributions were modeled via a population balance equation. Key paramet... | gelatin; phases; agitating | 1981 |
| 21 |
 | Miller, Jan D. | Erratum to Evaluation of stucco binder for agglomeration in the heap leaching of copper ore | Figure 8 top legend is mentioned incorrectly. The legend "With ferric sulfate: column leaching of agglomerates (stucco) should be red in color and column leaching of agglomerates (no stucco) should be blue in color. The correct Fig. 8 is shown below. The authors would like to apologize for the incon... | 2011-01-01 | |
| 22 |
 | Miller, Jan D. | Comparison of process alternatives for gold recovery from cyanide leach solutions | Both conventional and nonconventional process alternatives for gold recovery from cyanide heap leach solutions are discussed in terms of possible flowsheets. Conventional process alternatives include carbon adsorption and zinc dust precipitation, while nonconventional process alternatives include re... | conventional; exchange; flowsheet | 1984 |
| 23 |
 | Miller, Jan D. | Chrysocolla flotation by the formation of insoluble surface chelates | Pure chrysocolla is floated with chelating agents that form insoluble complexes with copper at ambient temperature. Complete flotation is obtained with potassium octyl hydroxamate as collector at pH 6. Flotation response is enhanced with increased temperature when low additions of h ydroxamate are ... | chrysocolla; copper chelating compounds; flotation systems | 1965 |
| 24 |
 | Miller, Jan D. | Determination of Madelung constants for infinite and semi-infinite lattices by direct summation | Lattice sums for the electrostatic interactions in ionic crystals, first evaluated by Madelung, are now known to high degrees of accuracy. The problem of conditional convergence has been solved either by manipulations of a mathematical model of the lattice, or by directly summing over neutral group... | lattices; madelung constants | 1976 |
| 25 |
 | Miller, Jan D. | Fluoride activation in oleate flotation of collophanite | Fluoride activation has been evaluated by Hallimond tube flotation of collophanite in terms of fluoride concentration, conditioning time, pH, and temperature. The results reveal that efficient oleate flotation of collophanite can be achieved by fluoride activation. Experimental results of fluoride... | fluoride; oleate; collophanite; flotation; calcium; chemisorption | 1987 |