Search Results - "POWNCEBY, Mark I"

Hydrogen Reduction of LiCoO2 Cathode Material: Thermodynamic Analysis, Microstructure, and Mechanisms by Nuraeni, Bintang A., Avarmaa, Katri, Prentice, Leon H., Rankin, W. John, Pownceby, Mark I., Rhamdhani, M. Akbar

“…Hydrogen is an alternative reductant to replace carbon for the production of metals. Reduction by hydrogen has advantages compared to carbothermic reduction,…”
Get full text

Fundamentals of Silico-Ferrite of Calcium and Aluminium (SFCA) Iron Ore Sinter Bonding Phase Formation: Effects of Basicity and Magnesium on Crystallisation during Cooling by Webster, Nathan A. S., Pownceby, Mark I., Pattel, Rachel, Manuel, James R., Kimpton, Justin A.

“…The effects of basicity and Mg addition on the crystallisation during cooling of complex Ca-rich ferrite iron ore sinter bonding phases SFCA and Fe-rich SFCA…”
Get full text

Fundamentals of Silico-Ferrite of Calcium and Aluminum (SFCA) and SFCA-I Iron Ore Sinter Bonding Phase Formation: Effects of MgO on Phase Formation During Heating by Webster, Nathan A. S., Pownceby, Mark I., Manuel, James R., Pattel, Rachel, Kimpton, Justin A.

“…The effect of MgO on the stability, concentrations and formation mechanisms of silico-ferrite of calcium and aluminum (SFCA and SFCA-I) iron ore sinter bonding…”
Get full text

Fundamentals of Silico-Ferrite of Calcium and Aluminum (SFCA) and SFCA-I Iron Ore Sinter Bonding Phase Formation: Effects of CaO:SiO2 Ratio by Webster, Nathan A. S., Pownceby, Mark I., Madsen, Ian C., Studer, Andrew J., Manuel, James R., Kimpton, Justin A.

“…Effects of basicity, B (CaO:SiO 2 ratio) on the thermal range, concentration, and formation mechanisms of silico-ferrite of calcium and aluminum (SFCA) and…”
Get full text

Fundamentals of Silico-Ferrite of Calcium and Aluminium (SFCA) Iron Ore Sinter Bonding Phase Formation: Effects of Titanium on Crystallisation during Cooling by Webster, Nathan A. S., Pownceby, Mark I., Pattel, Rachel, Manuel, James R., Kimpton, Justin A.

“…The effects of Ti on the crystallisation during cooling of complex Ca-rich ferrite iron ore sinter bonding phases SFCA and Fe-rich SFCA was investigated using…”
Get full text

Thermodynamic stability of SFCA (silico‐ferrite of calcium and aluminum) and SFCA‐I phases by Koryttseva, Anastasia, Webster, Nathan A. S., Pownceby, Mark I., Navrotsky, Alexandra

“…Silico‐ferrite of calcium and aluminum (SFCA) and SFCA‐I phases form in iron ore sintering operations. Their behavior in blast furnaces, with sinter being a…”
Get full text

In situ X-ray Diffraction Investigation of the Formation Mechanisms of Silico-Ferrite of Calcium and Aluminium-I-type (SFCA-I-type) Complex Calcium Ferrites by Webster, Nathan A. S., Pownceby, Mark I., Madsen, Ian C.

“…The formation mechanisms of the complex Ca-rich ferrite phase SFCA-I, an important bonding material in iron ore sinter, during heating of synthetic sinter…”
Get full text

Automated and Quantitative Mineralogy Applied to Chromite Ore Characterization and Beneficiation by Mark I. Pownceby, David A. McCallum, Warren J. Bruckard

“…A characterization study of chromite ore from South Africa was conducted using bulk assays, X-ray diffraction, optical, scanning electron microscopy (SEM),…”
Get full text

Effect of Oxygen Partial Pressure on the Formation Mechanisms of Complex Ca-rich Ferrites by Webster, Nathan A. S., Pownceby, Mark I., Madsen, Ian C., Kimpton, Justin A.

“…The formation mechanisms of the complex Ca-rich ferrite iron ore sinter bonding phases SFCA and SFCA-I, during heating of a synthetic sinter mixture in the…”
Get full text

Deportment of Metals from E-Waste PCBs towards Alloy and Slag Phases during Smelting Using CaO-Al2O3-SiO2-B2O3 Slags by Md Khairul Islam, Michael Somerville, Mark I. Pownceby, James Tardio, Nawshad Haque, Suresh Bhargava

“…Printed circuit boards (PCBs) from antiquated electronic goods were processed by a pyrometallurgical route to produce and separate alloy and slag phases. The…”
Get full text

The effect of thermal pre-treatment on the dissolution of chalcopyrite (CuFeS2) in sulfuric acid media by Faris, Nebeal, Ram, Rahul, Chen, Miao, Tardio, James, Pownceby, Mark I., Jones, Lathe A., McMaster, Scott, Webster, Nathan A.S., Bhargava, Suresh

“…Chalcopyrite ore was roasted at 200, 550 and 800°C in reducing (5%H2/95%Ar) and inert (N2) atmospheres to examine the effects of the thermal pre-treatment on…”
Get full text

Metal and Oxide Sublimation from Lunar Regolith: A Kinetics Study by Matthew G. Shaw, Matthew S. Humbert, Geoffrey A. Brooks, M. Akbar Rhamdhani, Alan R. Duffy, Mark I. Pownceby

“…When considering the extraction of metals from lunar regolith for use in space, one reductive method of interest is vacuum thermal dissociation. Given the high…”
Get full text

Exploratory Study of Separation of Sulphidised Chrome Spinels from Reduced Ilmenite by Sazzad Ahmad, Muhammad A. Rhamdhani, Mark I. Pownceby, Warren J. Bruckard

“…The removal of chromium-containing impurities, such as chrome spinel (ZCr2O4 where Z = Fe, Mg, Mn) from ilmenite (FeTiO3) concentrates through selective…”
Get full text

Distribution, Separation and Characterisation of Valuable Heavy Minerals from the Brahmaputra River Basin, Kurigram District, Bangladesh by Aminur Rahman, Mark I. Pownceby, James Tardio, Graham J. Sparrow, Nawshad Haque, Fuad Hasan

“…Bangladesh’s heavy minerals deposits in river systems remain largely unexplored with past research restricted to beach placer deposits along the south-eastern…”
Get full text

Behavior of New Zealand Ironsand During Iron Ore Sintering by Wang, Zhe, Pinson, David, Chew, Sheng, Rogers, Harold, Monaghan, Brian J., Pownceby, Mark I., Webster, Nathan A. S., Zhang, Guangqing

“…A New Zealand ironsand sample was characterized by scanning electron microscopy (SEM), X-ray fluorescence spectroscopy, qualitative and quantitative X-ray…”
Get full text

Variation in Iron Ore Sinter Mineralogy with Changes in Basicity by Tom Honeyands, Thi Bang Tuyen Nguyen, David Pinson, Paul R. J. Connolly, Mark I. Pownceby, James Manuel, Leanne Matthews, John Leedham, Tejbir Singh, Damien P. O’Dea

“…The target basicity of iron ore sinter is set by blast furnace slag composition requirements, and therefore varies with the proportion of acid burden such as…”
Get full text

Porosity, Mineralogy, Strength, and Reducibility of Sinter Analogues from the Fe2O3 (Fe3O4)-CaO-SiO2 (FCS) Ternary System by Isis R. Ignácio, Geoffrey Brooks, Mark I. Pownceby, M. Akbar Rhamdhani, Willian John Rankin, Nathan A. S. Webster

“…The presence of Ca-ferrite and silico-ferrite-of-calcium-and-aluminium (SFCA) bonding phases is thought to be crucial to maintain sinter quality due to their…”
Get full text

Radionuclide disposal using the pyrochlore supergroup of minerals as a host matrix—A review by McMaster, Scott A., Ram, Rahul, Faris, Nebeal, Pownceby, Mark I.

“…•Review of the structural and chemical properties of the pyrochlore supergroup of minerals.•Discussion on the effects of metamictisation and weathering on…”
Get full text

Nickel Laterite Beneficiation and Potential for Upgrading Using High Temperature Methods: A Review by Zappala, Lauren, McDonald, Robbie, Pownceby, Mark I.

“…Australia has large reserves of limonite and clay-based laterites that are currently underutilized. This review summarizes the latest nickel laterite upgrading…”
Get full text

Application of ferrous pyrometallurgy to the beneficiation of rare earth bearing iron ores – A review by Faris, Nebeal, Ram, Rahul, Tardio, James, Bhargava, Suresh, McMaster, Scott, Pownceby, Mark I.

“…This review is concerned with the application of ferrous pyrometallurgy to the beneficiation and comprehensive utilization of rare earth ores enriched in iron…”
Get full text