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Pulsating HGMS for industrial separation of chalcopyrite from …

Pulsating HGMS for industrial separation of chalcopyrite from fine copper-molybdenun co-flotation concentrate. Author links open overlay panel Luzheng Chen a, Tao Xiong a b, Dahe Xiong b, ... Chalcopyrite is weakly magnetic while molybdenite is diamagentic, with their magnetic susceptibilities at 0.840 × 10-6 m 3 /kg …

Pulsating HGMS for industrial separation of chalcopyrite …

DOI: 10.1016/J.MINENG.2021.106967 Corpus ID: 236259260; Pulsating HGMS for industrial separation of chalcopyrite from fine copper-molybdenun co-flotation concentrate @article{Chen2021PulsatingHF, title={Pulsating HGMS for industrial separation of chalcopyrite from fine copper-molybdenun co-flotation concentrate}, …

Pulsating HGMS for industrial separation of chalcopyrite from …

Pulsating high gradient magnetic separation (PHGMS) was effectively applied for pre-concentration of relatively coarse chalcopyrite ore, therefore in this work, its feasibility for separation of superfine chalcopyrite from molybdenite was firstly attempted, with the separation performance under key operating parameters elucidated via a SLon …

Effect of microwave treatment on the flotation and magnetic separation …

The effects of microwave treatment on the floatabilities and magnetic susceptibilities of some sulfide minerals, namely, pyrite, chalcopyrite, galena and sphalerite, were studied. Pure mineral samples were prepared in -425+212-μm, -212+106-μm and -106+38-μm size fractions. Microflotation and magnetic separation tests were curried out on the samples …

Ferric ion-triggered surface oxidation of galena for efficient

The efficient separation of chalcopyrite (CuFeS2) and galena (PbS) is essential for optimal resource utilization. However, finding a selective depressant that is environmentally friendly and cost effective remains a challenge. Through various techniques, such as microflotation tests, Fourier transform infrared spectroscopy, …

High-gradient magnetic separation mechanism for …

Keywords: Chalcopyrite, molybdenite, magnetic properties, crystal field theory, high gradient magnetic separation INTRODUCTION Chalcopyrite (CuFeS 2 ) and molybdenite (MoS 2 ) are two common ...

The Effect of Microwave Pre-treatment on the Magnetic …

Magnetic separation results showed arsenic rejection by 84.2%, and 76.3% in the case of enargite and tennantite binary mixtures with chalcopyrite; respectively.

Magnetic properties of chalcopyrite and arsenopyrite for …

DOI: 10.1016/j.mineng.2022.107893 Corpus ID: 253085691; Magnetic properties of chalcopyrite and arsenopyrite for high-gradient magnetic separation with Crystal-Field Theory @article{Dai2022MagneticPO, title={Magnetic properties of chalcopyrite and arsenopyrite for high-gradient magnetic separation with Crystal-Field Theory}, …

Effect of microwave treatment on the flotation and …

flotation and magnetic separation properties of pyrite, chalcopyrite, galena and sphalerite N.M. Can Hacettepe University, Mining Engineering Department, Ankara, Turkey I. Bayraktar Demir Export A.S., Ankara, Turkey Abstract The effects of microwave treatment on the floatabilities and magnetic susceptibilities of some sulfide minerals,

Performance evaluation of PHGMS technology for superfine chalcopyrite …

DOI: 10.1016/j.seppur.2023.126136 Corpus ID: 266612448; Performance evaluation of PHGMS technology for superfine chalcopyrite-molybdenite separation @article{Yang2023PerformanceEO, title={Performance evaluation of PHGMS technology for superfine chalcopyrite-molybdenite separation}, author={Jing Yang and Luzheng …

Minerals | Free Full-Text | Utilization of PMA-EDTC as a Novel …

At a dose of 8 mg/L, there was effective separation between galena and chalcopyrite with a separation coefficient of 24.17, effectively altering the floatability of galena while having little impact on the floatability of chalcopyrite. ... The mixture was stirred using a magnetic stirrer for 3 min, after which sodium hydroxide or hydrochloric ...

The Effect of Microwave Pre-treatment on the Magnetic …

Moreover, magnetic separation of chalcopyrite binary mixtures with enargite and tennantite was performed. The results showed insignificant effects on the magnetic susceptibility of the two minerals after microwave pre-treatment. Magnetic separation results showed arsenic rejection by 84.2%, and 76.3% in the case of enargite and …

Effect of lime (CaOH+) on chalcopyrite-arsenopyrite separation …

The pulsating high-gradient magnetic separation (PHGMS) method has a strong potential for the effective separation of chalcopyrite and talc, based on their difference in magnetic susceptibility.

Magnetic properties of chalcopyrite and arsenopyrite for …

Pulsating high-gradient magnetic separation (PHGMS) is an environment-friendly and economic method for concentrating or removing weakly magnetic minerals from materials, and its separation for sulfide minerals with similar floatability such as …

The Effect of Microwave Pre-treatment on the Magnetic …

Moreover, magnetic separation of chalcopyrite binary mixtures with enargite and tennantite was performed. The results showed insignificant effects on the magnetic susceptibility of the two minerals after microwave pre-treatment. Magnetic separation results showed arsenic rejection by 84.2%, and 76.3% in the case of …

Magnetic properties of chalcopyrite and arsenopyrite for …

Separating chalcopyrite from arsenopyrite using flotation has been a big challenge due to their similar floatability. However, this challenging condition may be partially solved by employing their difference in magnetic susceptibility. As a matter of fact, pulsating high-gradient magnetic separation (PHGMS), as an environment-friendly and economic …

Magnetic separation of weakly magnetic copper minerals

PDF | High Gradient Magnetic Separation of chalcopyrite and bornite, both weakly magnetic copper minerals with mass susceptibilities of about 0.1 ×... | Find, read and cite all the research you ...

Enhancing magnetism and magnetic separation of ultrafine chalcopyrite …

The pulsating high-gradient magnetic separation (PHGMS) method has a strong potential for the effective separation of chalcopyrite and talc, based on their difference in magnetic susceptibility.

Performance evaluation of PHGMS technology for superfine chalcopyrite …

Chalcopyrite (CuFeS 2) and molybdenite (MoS 2) as typical sulfide minerals are very easy for co-flotation in practice, but their mutual separation consumes a large quantity of flotation reagents, particularly for superfinely associated chalcopyrite and molybdenite as encountered in most porphyry copper deposits.Pulsating high gradient …

High-gradient magnetic separation mechanism for separation …

Removing molybdenite from chalcopyrite by flotation has long been a challenge due to their similar floatability as sulfide minerals. However, the difference in the magnetic susceptibility of the two minerals may be employed to address this challenge. Recently, pulsating high-gradient magnetic separation (PHGMS) has been reported …

Pulsating high-gradient magnetic separation of chalcopyrite …

The selective flotation of chalcopyrite from talc in practice is currently difficult and consumes a large amount of depressors, resulting in high production and environmental costs. The pulsating high-gradient magnetic separation (PHGMS) method has a strong potential for the effective separation of chalcopyrite and talc, based on their difference …

Pulsating high-gradient magnetic separation of chalcopyrite …

The pulsating high-gradient magnetic separation (PHGMS) method has a strong potential for the effective separation of chalcopyrite and talc, based on their …

Separation of Copper-Molybdenum Flotation Concentrate …

Separation of chalcopyrite from molybdenite is currently mainly carried out by flotation, but this process is costly because of the extensive use of inhibitors. This study briefly describes a 7.0T/100CGC low-temperature superconducting magnetic separator and discusses its separation principle as well as the effect of magnetic induction on …

Magnetic Separation

Magnetic separation is the mineral separation method to separate different minerals by magnetic differences. Basic Principle. Based on the level of magnetism, minerals can be divided into strongly magnetic minerals (such as magnetite), weakly magnetic minerals (such as chalcopyrite), and nonmagnetic minerals (such as quartz, …

High-gradient magnetic separation mechanism for …

High-gradient magnetic separation mechanism for separation of chalcopyrite from molybdenite Pulin Dai1, Zixing Xue1, Xiaowei Li1, Yaxiong Jiang1, Nourhan Ahmed1,2, Jianwu Zeng1, Luzheng Chen1 1Faculty of Land Resource Engineering, Kunming University of Science and Technology, Kunming 650093, Yunnan, China.

Magnetic Separation of Sulphide Minerals

4 MAGNETIC SEPARATION OF SULPHIDE MINERALS range of variation in susceptibility demon- strated by the various sulphides. COPPER-FLOTATION PLANTS Macuchi, Ecuador At the mill of the Cotopaxi Exploration Co., Macuchi, Ecuador, the principal minerals are chalcopyrite, pyrite, barite, and quartz. The ore contains considerable

High-gradient magnetic separation mechanism for …

The pulsating high-gradient magnetic separation (PHGMS) method has a strong potential for the effective separation of chalcopyrite and talc, based on their difference in magnetic...

Effect of microwave treatment on the flotation and magnetic separation …

The effects of microwave treatment on the floatabilities and magnetic susceptibilities of some sulfide minerals, namely, pyrite, chalcopyrite, galena and sphalerite, were studied. Pure mineral samples were prepared in -425+212-μm, -212+106-μm and -106+38-μm size fractions. Microflotation and magnetic separation tests were …

Application of superconducting magnetic separation to an …

Superconducting magnetic separation of chalcopyrite and molybdenite was studied, along with the effects of the magnetic flux density, slurry concentration, and pulsation amplitude on the separation. According to the force equilibrium model of magnetic particles that accumulated on magnetic matrices during the superconducting …

Effect of lime (CaOH+) on chalcopyrite-arsenopyrite separation …

DOI: 10.1016/j.seppur.2023.125831 Corpus ID: 265452366; Effect of lime (CaOH+) on chalcopyrite-arsenopyrite separation in high gradient magnetic separation: experiment and molecular simulation

Magnetic properties of chalcopyrite and arsenopyrite for …

The pulsating high-gradient magnetic separation (PHGMS) method has a strong potential for the effective separation of chalcopyrite and talc, based on their difference in magnetic susceptibility.

Superconducting pulsating high gradient magnetic separation …

This may indicate that when the magnetic induction is 5 T, the magnitude of the magnetic force on the chalcopyrite particles in the magnetic field is just greater than the fluid resistance, so the ...

Magnetic properties of chalcopyrite and arsenopyrite for …

The pulsating high-gradient magnetic separation (PHGMS) method has a strong potential for the effective separation of chalcopyrite and talc, based on their …