Search Results - "Koleini, Javad"

Leaching and recovery of phosphate and rare earth elements from an iron-rich fluorapatite concentrate: Part II: Selective leaching of calcium and phosphate and acid baking of the residue by Soltani, Faraz, Abdollahy, Mahmoud, Petersen, Jochen, Ram, Rahul, Javad Koleini, S.M., Moradkhani, Davood

“…Apatite concentrate is an important source of phosphate and contains significant amounts of rare earth elements (REEs). In this study, the possibility of…”
Get full text

Leaching and recovery of phosphate and rare earth elements from an iron-rich fluorapatite concentrate: Part I: Direct baking of the concentrate by Soltani, Faraz, Abdollahy, Mahmoud, Petersen, Jochen, Ram, Rahul, Becker, Megan, Javad Koleini, S.M., Moradkhani, Davood

“…The present study is focused on the leaching and recovery of phosphate and Rare Earth Elements (REEs) from the Esfordi phosphate concentrate (Yazd province,…”
Get full text

Bubble–particle collision and attachment probability on fine particles flotation by Shahbazi, B., Rezai, B., Javad Koleini, S.M.

“…Particle size is an important parameter in flotation and has been the focus of flotation research for decades. The difficulty in floating fine particles is…”
Get full text

Microwave-Leaching of Copper Smelting Dust for Cu and Zn Extraction by Sabzezari, Behrouz, Koleini, Seyed Mohammad Javad, Ghassa, Sina, Shahbazi, Behzad, Chehreh Chelgani, Saeed

“…Industrial wastes may contain high concentrations of valuable metals. Extraction and recovery of these metals have several economic and environmental…”
Get full text

Magnetic properties of an iron ore sample after microwave heating by Barani, K., Koleini, S.M. Javad, Rezaei, B.

“…[Display omitted] ▶ The effect of microwave radiation on the magnetic properties of iron ore was investigated. ▶ Increasing in radiation time up to 60s results…”
Get full text

Extraction of rubidium from gold waste: Process optimization by Tavakoli Mohammadi, M.R., Javad Koleini, S.M., Javanshir, S., Abolghasemi, H., Abdollahy, M.

“…The extraction of rubidium from gold waste from the Mouteh processing plant in Iran by a three-step process (acid washing, followed by salt roasting and water…”
Get full text

Investigation of bubble-particle attachment, detachment and collection efficiencies in a mechanical flotation cell by Darabi, Hossna, Koleini, S.M. Javad, Deglon, David, Rezai, Bahram, Abdollahy, Mahmoud

“…The paper presents the effect of impeller speed and superficial gas velocity on bubble-particle attachment, detachment and collection efficiencies using pure…”
Get full text

Extraction of indium from zinc plant residues by Koleini, S.M. Javad, Mehrpouya, Hossein, Saberyan, Kamal, Abdolahi, Mahmoud

“…The main purpose of this study was to extract indium from the Irankoh zinc plant residue. The Irankoh zinc plant residue contained 145 ppm indium. The optimum…”
Get full text

The effect of hydrodynamic parameters on probability of bubble–particle collision and attachment by Shahbazi, B., Rezai, B., Javad Koleini, S.M.

“…In this study the dependence of the impeller speed on the particle size variation was investigated on the quartz particles using laboratory mechanical…”
Get full text

The Effect of Microwave Treatment on Dry Grinding Kinetics of Iron Ore by Javad Koleini, S. M., Barani, K., Rezaei, B.

“…The effect of microwave treatment on the grinding kinetics of an iron ore was assessed using mono-sized materials of −2.360 + 2.0 mm, −1.400 + 1.180 mm,…”
Get full text

Performance and selectivity of the new column flotoextraction method by Tavakoli Mohammadi, M.R., Javad Koleini, S.M., Abolghasemi, H., Abdollahy, M., Sedaghat, B.

“…•The CFE method was devised for improving the SX equipment performance.•The mixing is based on bubble dispersion of the organic phase into aqueous phase.•The…”
Get full text

Particle Image Velocimetry Study of the Turbulence Characteristics in an Aerated Flotation Cell by Darabi, Hossna, Koleini, S. M. Javad, Deglon, David, Rezai, Bahram, Abdollahy, Mahmoud

“…The turbulence characteristics in the presence of bubbles is very important for multiphase processes such as froth flotation. The turbulence characteristics in…”
Get full text

Solvent extraction of rubidium from gold waste using conventional SX and new CFE methods by Tavakoli Mohammadi, Mohammad Reza, Javad Koleini, Seyed Mohammad, Javanshir, Sepideh, Abolghasemi, Hossein, Abdollahy, Mahmoud

“…Solvent extraction（SX） of rubidium（Rb） from leaching filtrate of gold waste（GW） in Mouteh Processing Plant by 18-crown-6（18C6） was studied. High potential of…”
Get full text

The Effect of Dimensionless Parameters on Coal Flotation by Shahbazi, Behzad, Rezai, Bahram, Javad Koleini, S. M., Noaparast, Mohammad

“…In this study, the effect of dimensionless hydrodynamic parameters (Reynolds number [Re], Froude number [Fr], Weber number [We], and bubble Reynolds number [Re…”
Get full text

Galvanic Leaching of Chalcopyrite in Atmospheric Pressure and Sulfate Media: Kinetic and Surface Studies by Koleini, S. M. Javad, Jafarian, M, Abdollahy, M, Aghazadeh, V

“…Chalcopyrite leaching rate in atmospheric pressure and in sulfate media with ferric ion is low because of passive layer formation around chalcopyrite…”
Get full text

A Novel Procedure for Performance Assessment of Paste Thickeners by Moosakazemi, Farhad, Hayati, Mohammad, Tavakoli Mohammadi, Mohammad Reza, Tajvidi Asr, Elmira, Koleini, Seyed Mohammad Javad

“…High stability and low settling rate of phosphate fines in water suspensions encountered the dry area-located mines with serious environmental and technical…”
Get full text

Investigation of bubble-particle interactions in a mechanical flotation cell, part 1: Collision frequencies and efficiencies by Darabi, Hossna, Koleini, S.M. Javad, Deglon, David, Rezai, Bahram, Abdollahy, Mahmoud

“…[Display omitted] •The effect of particle size on collision frequency and efficiency (Ec) was studied.•Ec by gravitational, inertial, interceptional and…”
Get full text

Acidic sulphate leaching of chalcopyrite concentrates in presence of pyrite by Koleini, S.M. Javad, Aghazadeh, Valeh, Sandström, Åke

“…Chalcopyrite leaching by ferric ions (a) without pyrite (b) in presence of pyrite. [Display omitted] ► Pyrite addition has a major catalytic effect on…”
Get full text

The Effect of Bubble Surface Area Flux on Flotation Efficiency of Pyrite Particles by Behzad Shahbazi, Bahram Rezai, Sayed Mohammad Javad Koleini, Mohammad Noparast

“…In this research, the effect of bubble surface area flux, Sb, and particle size on flotation rate constant, k, of pyrite (FeS2) particles was studied using…”
Get full text

LDH(Mg/Al:2)@montmorillonite nanocomposite as a novel anion-exchanger to adsorb uranyl ion from carbonate-containing solutions by Seddighi, Hassan, Khodadadi Darban, Ahmad, Khanchi, Alireza, Fasihi, Javad, Koleini, Javad

“…A layered double hydroxide@montmorillonite nanocomposite (LDH@MMT) was synthesized by the coating of growing LDH layers onto the MMT surface through…”
Get full text