Search Results - "Vaziri Hassas, Behzad"

Effect of roughness and shape factor on flotation characteristics of glass beads by Vaziri Hassas, Behzad, Caliskan, Hidayet, Guven, Onur, Karakas, Fırat, Cinar, Mustafa, Celik, Mehmet S.

“…[Display omitted] •Both roughness and shape factor stimulate the bubble particle attachment.•Shape factor has an effect in very first milliseconds of…”
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Effect of pyrite content of feed and configuration of locked particles on rougher flotation of copper in low and high pyritic ore types by Agheli, Sahar, Hassanzadeh, Ahmad, Hassas, Behzad Vaziri, Hasanzadeh, Mohammad

“…Misreported pyrite into copper concentrates dramatically declines copper grade and recovery.Copper flotation can be also more complicated if flotation feed…”
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Investigation of trajectory and rise velocity of loaded and bare single bubbles in flotation process using video processing technique by Eskanlou, Amir, Khalesi, Mohammad Reza, Mirmogaddam, Morteza, Hemmati Chegeni, Mohsen, Vaziri Hassas, Behzad

“…In flotation, among the key parameters that dictate the hydrodynamic characteristics are bubble rising velocity and trajectory. This study aims to investigate…”
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Ultrafine coal flotation and dewatering: Selecting the surfactants of proper hydrophilic-lipophilic balance (HLB) by Yeşilyurt, Zeynep, Vaziri Hassas, Behzad, Karakaş, Fırat, Boylu, Feridun

“…Fine and ultrafine coal (−200 µm) enrichment and its further dewatering processes are more difficult than that of coarser sizes. Utilization of this size…”
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Recovery of rare earth elements from coal fly ash by integrated physical separation and acid leaching by Pan, Jinhe, Nie, Tiancheng, Vaziri Hassas, Behzad, Rezaee, Mohammad, Wen, Zhiping, Zhou, Changchun

“…Coal fly ash (CFA) is one of the most promising secondary sources of rare earth elements and yttrium (REY). This research first studied the modes of occurrence…”
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Precipitation of rare earth elements from acid mine drainage by CO2 mineralization process by Vaziri Hassas, Behzad, Rezaee, Mohammad, Pisupati, Sarma V.

“…[Display omitted] •CO2 mineralization used for extraction of rare earth elements from acid mine drainage.•Precipitation of rare earth carbonates followed the…”
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Selective precipitation of rare earth and critical elements from acid mine drainage - Part I: Kinetics and thermodynamics of staged precipitation process by Vaziri Hassas, Behzad, Shekarian, Younes, Rezaee, Mohammad

“…•Supersaturation is the main driving force for the precipitation of elements in AMD treatment.•Precipitation reaction of elements in AMD treatment is a…”
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Selective precipitation of rare earth and critical elements from acid mine drainage - Part II: Mechanistic effect of ligands in staged precipitation process by Vaziri Hassas, Behzad, Rezaee, Mohammad

“…•The negative surface charge of REE-carbonates is higher than that of REE-hydroxides.•REE-carbonate precipitates do not agglomerate during the AMD treatment…”
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Collectorless flotation of oxidized pyrite by Ozun, Savas, Vaziri Hassas, Behzad, Miller, Jan D.

“…[Display omitted] Pyrite is a chemically active mineral, the surface of which oxidizes when exposed to the atmosphere and to aqueous environments during mining…”
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Effect of surface roughness on particle-bubble interaction: A critical review by Sun, Yujin, Bu, Xiangning, Ulusoy, Ugur, Guven, Onur, Vaziri Hassas, Behzad, Dong, Xianshu

“…[Display omitted] •Preparation and measurement methods of surface roughness are reviewed.•The effect of roughness on particle-bubble interaction is discussed…”
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Selective recovery of high-grade rare earth, Al, and Co-Mn from acid mine drainage treatment sludge material by Vaziri Hassas, Behzad, Shekarian, Younes, Rezaee, Mohammad, Pisupati, Sarma V.

“…[Display omitted] •AMD and sludge sites were evaluated for their contained value of critical elements.•These secondary resources in Pennsylvania were found to…”
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Microwave-assisted calcination of spodumene for efficient, low-cost and environmentally friendly extraction of lithium by Rezaee, Mohammad, Han, Shihua, Sagzhanov, Daulet, Vaziri Hassas, Behzad, Slawecki, Tania M., Agrawal, Dinesh, Akbari, Hamid, Mensah-Biney, Robert

“…To utilize the advantages of microwave-assisted calcination over conventional heating, this work studied the effect of microwave power on phase transformation…”
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Estimation of flotation rate constant and collision efficiency using regression and artificial neural networks by Eskanlou, Amir, Shahbazi, Behzad, Vaziri Hassas, Behzad

“…The effects of particle characteristics and hydrodynamic conditions on the flotation rate constant (k) and bubble-particle collision efficiency (E c ) of…”
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Effect of negative inertial forces on bubble-particle collision via implementation of Schulze collision efficiency in general flotation rate constant equation by Kouachi, Sabri, Vaziri Hassas, Behzad, Hassanzadeh, Ahmad, Çelik, Mehmet Sabri, Bouhenguel, Mustapha

“…[Display omitted] •The effect of negative inertial force on flotation rate constant was investigated.•The GSE and Schulze collision models were compared…”
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An investigation of the recovery and kinetics during the flotation of residual petroleum coke in lime calcination exhaust tailings by Vaziri Hassas, Behzad, Guven, Onur, Hassanzadeh, Ahmad

“…Flotation is one of the feasible separation methods suggested for recovery of petroleum coke from the tailings of lime calcination furnaces. In this study,…”
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The effect of carbon dioxide and nitrogen on pyrite surface properties and flotation response by Vaziri Hassas, Behzad, Miller, Jan D.

“…•Using CO2 for flotation, the pH of the system can be more effectively controlled.•Fresh and oxidized pyrite have improved flotation response in CO2 saturated…”
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Direct Extraction of Lithium from α‑Spodumene by Salt Roasting–Leaching Process by Han, Shihua, Sagzhanov, Daulet, Pan, Jinhe, Vaziri Hassas, Behzad, Rezaee, Mohammad, Akbari, Hamid, Mensah-Biney, Robert

“…In recent years, several methods have been reported to extract lithium (Li) from spodumene. However, the majority of them still require the transformation of…”
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Attachment, Coalescence, and Spreading of Carbon Dioxide Nanobubbles at Pyrite Surfaces by Vaziri Hassas, Behzad, Jin, Jiaqi, Dang, Liem X, Wang, Xuming, Miller, Jan D

“…Recently, it was reported that using CO2 as a flotation gas increases the flotation of auriferous pyrite from high carbonate gold ores of the Carlin Trend. In…”
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Ultrafine coal dewatering: Relationship between hydrophilic lipophilic balance (HLB) of surfactants and coal rank by Vaziri Hassas, Behzad, Karakaş, Fırat, Çelik, Mehmet Sabri

“…Dewatering process is one of the most costly steps in mineral processing and coal washing plants. This fact becomes an important industrial challenge in…”
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The significance of positive and negative inertial forces in Particle-Bubble interaction and their role in the general flotation kinetics model by Vaziri Hassas, Behzad, Kouachi, Sabri, Eskanlou, Amir, Bouhenguel, Mustapha, Çelik, Mehmet S., Miller, Jan D.

“…[Display omitted] •Effect of particle density on the flotation rate constent was studied.•Influence of inertial forces in flotation rate was derived from the…”
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