Browsing NTNU Open by Author "Kowalczuk, Przemyslaw Boguslaw"
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Bubble Formation and Motion in Liquids—A Review
Kosior, Dominik; Wiertel-Pochopien, Agata; Kowalczuk, Przemyslaw Boguslaw; Zawala, Jan (Journal article; Peer reviewed, 2023)In flotation, a bubble acts as a carrier for attached particles. The properties of the gas–liquid interface of the bubble are one of the main factors determining the bubble motion and flotation efficiency. Monitoring of ... -
An Investigation on Reduction of Calcium Added Bauxite Residue Pellets by Hydrogen and Iron Recovery through Physical Separation Methods
Hassanzadeh, Ahmad; Kar, Manish Kumar; Safarian, Jafar; Kowalczuk, Przemyslaw Boguslaw (Peer reviewed; Journal article, 2023)This study investigates the properties of H2-reduced calcium-added bauxite residue, self-hardened pellets, and the feasibility of iron recovery through electrostatic and magnetic separation methods. The oxide pellets are ... -
An Invitation on Characterization of H<inf>2</inf>-Reduced Bauxite Residue and Recovering Iron through Wet Magnetic Separation Processes
Hassanzadeh, Ahmad; Pilla, Ganesh; Kar, Manish Kumar; Kowalczuk, Przemyslaw Boguslaw (Peer reviewed; Journal article, 2023)Recovering iron from the bauxite residue (BR) is one of the long-standing challenges in the mining industry. However, there is a substantial lack of information in the literature regarding sample properties and iron ...