Blar i NTNU Open på forfatter "Hassanzadeh, Ahmad"
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Adsorptive Removal Behavior of Pb (II) and Cr (VI) Pollutants from an Aqueous Environment onto Polyaniline-Modified MIL100(Fe)
Azizi, Asghar; Forghani, Mojtaba; Kafshgari, Leila Asadi; Hassanzadeh, Ahmad (Peer reviewed; Journal article, 2023)The present work introduces a new sorbent, so-called PANI/MIL100(Fe), for removing Pb (II) and Cr (VI) from wastewater. The successful preparation of PANI/MIL100(Fe) was verified via Fourier-transform infrared spectroscopy ... -
Advanced Simulation of Quartz Flotation Using Micro-Nanobubbles by Hybrid Serving of Historical Data (HD) and Deep Learning (DL) Methods
Nazari, Sabereh; Gholami, Alireza; Khoshdast, Hamid; Li, Jinlong; He, Yaqun; Hassanzadeh, Ahmad (Peer reviewed; Journal article, 2023)The present study investigates the optimization and advanced simulation of the flotation process of coarse particles (–425 + 106) using micro-nanobubbles (MNBs). For this purpose, flotation experiments in the presence and ... -
Advanced simulation of removing chromium from a synthetic wastewater by rhamnolipidic bioflotation using hybrid neural networks with metaheuristic algorithms
Khoshdast, Hamid; Gholami, Alireza; Hassanzadeh, Ahmad; Niedoba, Tomasz; Surowiak, Agnieszka (Peer reviewed; Journal article, 2021)This work aims at presenting an advanced simulation approach for a novel rhamnolipidic-based bioflotation process to remove chromium from wastewater. For this purpose, the significance of key influential operating variables ... -
An Assessment of the Role of Combined Bulk Micro- and Nano-Bubbles in Quartz Flotation
Zhou, Shaoqi; Li, Yang; Nazari, Sabereh; Bu, Xiangning; Hassanzadeh, Ahmad; Ni, Chao; He, Yaqun; Xie, Guangyuan (Peer reviewed; Journal article, 2022)Bulk micro-nano-bubbles (BMNBs) have been proven to be effective at improving the flotation recovery and kinetics of fine-grained minerals. However, there is currently no research reported on the correlation between the ... -
Automated Mineralogy and Diagnostic Leaching Studies on Bulk Sulfide Flotation Concentrate of a Refractory Gold Ore
Güner, Mustafa Kadir; Bulut, Gülay; Hassanzadeh, Ahmad; Lode, Stefanie; Aasly, Kurt (Peer reviewed; Journal article, 2023)Obtaining detailed and precise information from a classified refractory gold ore has been a long-standing challenge in mineral processing and process mineralogy. Although the concept of diagnostic leaching has been extensively ... -
Comparative Study of Hydrogen Reduction of Bauxite Residue-Calcium Sintered and Self-Hardened Pellets Followed by Magnetic Separation for Iron Recovery
Kar, Manish Kumar; Hassanzadeh, Ahmad; Eijk, Casper van der; Safarian, Jafar (Journal article; Peer reviewed, 2023)To minimize the carbon footprint in the industrial valourization of bauxite residue, hydrogen was used as a reducing agent. The current study experimentally investigated hydrogen reduction of bauxite residue-CaO sintered ... -
The effect of preparation time and aeration rate on the properties of bulk micro-nanobubble water using hydrodynamic cavitation
Zhou, Shaoqi; Nazari, Sabereh; Hassanzadeh, Ahmad; Bu, Xiangning; Ni, Chao; Peng, Yaoli; Xie, Guangyuan; He, Yaqun (Peer reviewed; Journal article, 2022)Fundamental research on bulk micro-nanobubbles (BMNBs) has grown rapidly due to the demand for their industrial applications and potential role in interfacial sciences. This work focuses on examining properties of such ... -
Effect of roasting pretreatment on micro-nanobubble-assisted flotation of spent lithium-ion batteries
Nazari, Sabereh; Li, Jinlong; Khoshdast, Hamid; Li, Jiahao; Ye, Cuiling; He, Yaqun; Hassanzadeh, Ahmad (Peer reviewed; Journal article, 2023)In this research study, a novel process of roasting-assisted flotation was developed for the separation of spent vehicle lithium-ion batteries (LIBs) in the presence of micro-nanobubbles (MNBs). For this purpose, roasting ... -
Effect of ultrasound pre-treatment on carbonaceous copper-bearing shale flotation
Kruszelnicki, Mateusz; Hassanzadeh, Ahmad; Legawiec, Krzysztof; Polowczyk, Izabela; Kowalczuk, Przemyslaw (Peer reviewed; Journal article, 2022)Although numerous studies have been implemented on identifying the impact of acoustic waves on mineral beneficiation, its fundamental aspects remain unclear in the literature. The present work, for the first time, ... -
Effects of Mechanical Stirring and Ultrasound Treatment on the Separation of Graphite Electrode Materials from Copper Foils of Spent LIBs: A Comparative Study
Ren, Xibing; Tong, Zheng; Dai, Yanshan; Ma, Guoying; Lv, Zhongze; Bu, Xiangning; Bilal, Muhammad; Vakylabad, Ali Behrad; Hassanzadeh, Ahmad (Peer reviewed; Journal article, 2023)In this paper, mechanical stirring and ultrasonic treatment are used to separate graphite electrode materials from copper foils in recycling spent lithium-ion batteries (LIBs). Firstly, the effects of ultrasonic power ... -
Effects of surface roughness on the hydrophilic particles-air bubble attachment
Zhou, Shaoqi; Bu, Xiangning; Wang, Xuexia; Ni, Chao; Ma, Guangxi; Sun, Yujin; Xie, Guangyuan; Bilal, Muhammad; Alheshibri, Muidh; Hassanzadeh, Ahmad; Chelgani, Saeed Chehreh (Peer reviewed; Journal article, 2022)Bubble-particle attachment is a key factor in various material processing such as wastewater treatment and flotation separation. Nanobubble's formation and its stability on hydrophobic surfaces with and without surfactants ... -
Evaluation of the Effects of Coal Jigging by Means of Kruskal–Wallis and Friedman Tests
Niedoba, Tomasz; Surowiak, Agnieszka; Hassanzadeh, Ahmad; Khoshdast, Hamid (Peer reviewed; Journal article, 2023)Coal beneficiation processes are often based on gravitational enrichment techniques. Therefore, various types of jigs are often used in this area. A number of factors determine the quality of the final product. Therefore, ... -
An Evaluation on the Impact of Ore Fragmented by Blasting on Mining Performance
Nikkhah, Ayyub; Vakylabad, Ali Behrad; Hassanzadeh, Ahmad; Niedoba, Tomasz; Surowiak, Agnieszka (Peer reviewed; Journal article, 2022)In open-pit mines, the blast operation should be effectively optimized, leading to minimization of production costs through the application of specific technical specifications. However, there is inadequate information in ... -
Hybrid Serving of DOE and RNN-Based Methods to Optimize and Simulate a Copper Flotation Circuit
Gholami, Alireza; Movahedifar, Meysam; Khoshdast, Hamid; Hassanzadeh, Ahmad (Peer reviewed; Journal article, 2022)Prediction of metallurgical responses during the flotation process is extremely vital to increase the process efficiency using a proper modeling approach. In this study, two new variants of the recurrent neural network ... -
Influence of operating parameters on nanobubble-assisted flotation of graphite
Nazari, Sabereh; Zhou, Shaoqi; Hassanzadeh, Ahmad; Li, Jinlong; He, Yaqun; Bu, Xiangning; Kowalczuk, Przemyslaw (Journal article; Peer reviewed, 2022) -
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 ... -
Optimization of Coal Production Based on the Modeling of the Jig Operation
Surowiak, Agnieszka; Niedoba, Tomasz; Wahman, Mustapha; Hassanzadeh, Ahmad (Peer reviewed; Journal article, 2023)This paper presents the jig operating properties of the selected final parameters of the hard coal concentrate. The quality parameters of the product, such as the yield and ash content, were evaluated in terms of the ... -
Pickering emulsion prepared by nano-silica particles – A comparative study for exploring the effect of various mechanical methods
Gao, Jixuan; Bu, Xiangning; Zhou, Shaoqi; Wang, Xuexia; Bilal, Muhammad; Hassan, Fawad Ul; Hassanzadeh, Ahmad; Xie, Guangyuan; Chelgani, Saeed Chehreh (Peer reviewed; Journal article, 2022)Pickering emulsions are eco-friendly, stabilized by solid particles, and have an essential role in leading industries. Although Pickering emulations have found several applications, surprisingly few investigations have ... -
Quartz Fine Particle Processing: Hydrophobic Aggregation by Shear Flocculation
Nogueira, Francielle; Rodrigues, Karine; Pereira, Carlos; Silva, André Carlos; Silva, Elenice M. Schons; Azizi, Asghar; Hassanzadeh, Ahmad (Peer reviewed; Journal article, 2023)This study investigates the hydrophobic aggregation of fine quartz particles through shear flocculation induced by dodecylamine in aqueous solutions. The effect of stirring speed, collector concentration, flocculation time, ...